Release v3.0.5

Merge remote-tracking branch 'origin/2.2' into 3.0
2026-05-17 08:56:06 +03:00 · 2025-05-14 19:11:45 +02:00 · 2025-05-14 16:39:16 +02:00 · 2025-04-21 20:07:07 +07:00 · 2025-04-16 17:51:51 +07:00 · 2025-04-16 16:55:51 +07:00
239 changed files with 120961 additions and 137092 deletions
--- a/2
+++ b/2
@@ -1,2 +0,0 @@
-Jeremy Grossmann
-Julien Duponchelle
--- a/237
+++ b/237
@@ -1,5 +1,20 @@
 # Change Log

+## 3.0.5 14/05/2025
+
+* Merge remote-tracking branch 'origin/2.2' into 3.0
+* Merge remote-tracking branch 'origin/2.2' into 3.0
+* Development on 2.2.55.dev1
+* Release v2.2.54
+* Development on 2.2.54.dev1
+* Replace "Docker hub" by "Docker repository" because it is possible to use different repositories
+* Upgrade dependencies
+* Fix bring console in front when clicking on "Open all consoles". Fixes #3706
+* Upgrade dependencies
+* Allow password greater than 8 characters. Ref #3714
+* Development on 3.0.5.dev1
+* Add -F arg to wmctrl. Ref #3706
+
 ## 2.2.54 21/04/2025

 * Replace "Docker hub" by "Docker repository" because it is possible to use different repositories
@@ -7,12 +22,48 @@
 * Fix bring console in front when clicking on "Open all consoles". Fixes #3706
 * Add -F arg to wmctrl. Ref #3706

+## 3.0.4 25/02/2025
+
+* Upgrade dependencies
+* Fix auto idle-pc for IOS templates
+* Add user info and password change for logged-in user. Fixes #3698
+
+## 3.0.3 22/01/2025
+
+* Set minimum duration for progress dialog when uploading. Ref https://github.com/GNS3/gns3-gui/issues/3682
+* Add logs when uploading images to the controller
+* Option to disable SSL certificate verification for future connections. Fixes https://github.com/GNS3/gns3-gui/issues/3694
+* Fix packet capture when connected to a controller with SSL. Fixes https://github.com/GNS3/gns3-gui/issues/3696
+* Update status after importing an image when installing a new appliance. Fixes #3691
+* Update file browser filters to find IOU images without extension. Fixes #3692
+* Upgrade dependencies
+
 ## 2.2.53 21/01/2025

 * Update file browser filters for all files and IOU images
 * Upgrade dependencies
 * Fix Linux Mint default terminal configuration

+## 3.0.2 03/01/2025
+
+* Add button to create templates based on images that are not used by any yet.
+* Add "prune" images button in image management dialog.
+* Use the controller image endpoint to install appliances
+* Drop Python 3.8
+* Add image info tooltip in image management dialog.
+* Upgrade dependencies
+* Apply grid color via css property
+
+## 3.0.1 27/12/2024
+
+* Fix issue when image is already on the local server. Fixes https://github.com/GNS3/gns3-gui/issues/3678
+* Fix image uploading when image name differs with the image name recorded in the appliance. Fixes https://github.com/GNS3/gns3-gui/issues/3682
+* Fix Linux Mint default terminal configuration
+
+## 3.0.0 20/12/2024
+
+* Change title of QMessageBox
+
 ## 2.2.52 02/12/2024

 * Add iol extension filter. Ref #3664
@@ -20,6 +71,16 @@
 * Bring to front support for consoles on Linux.
 * Relax setuptools requirement to allow for easier Debian packaging on Ubuntu Focal & Jammy

+## 3.0.0rc2 20/11/2024
+
+* Remove maximum 64GB RAM limitation for QEMU VMs. Fixes #3658
+* Fix GUI connection to server.
+* Bring to front support for consoles on Linux.
+* Relax setuptools requirement to allow for easier Debian packaging on Ubuntu Focal & Jammy
+* Do not include tokens in notification logs
+* Python 3.13 support
+
+
 ## 2.2.51 07/11/2024

 * Python 3.13 support
@@ -36,6 +97,10 @@
 * Support for configuring MAC address in Docker containers
 * Add KRDC to pre-configured VNC console commands

+## 3.0.0rc1 11/08/2024
+
+* Add keep the original compute IDs option when exporting a project
+
 ## 2.2.49 06/08/2024

 * Upgrade jsonschema and sentry-sdk packages
@@ -55,6 +120,11 @@
 * Upgrade sentry-sdk and psutil packages
 * Switch to PyQt5 5.15.10 for macOS build

+## 3.0.0b3 19/05/2024
+
+* Fix updating IOS router
+* Ensure Python >= 3.8 is used in pyproject.toml
+
 ## 2.2.47 15/05/2024

 * Remove maximum size for capture dialog. Ref #3576
@@ -66,6 +136,12 @@
 * Add NAT symbols
 * Only show log message if event has "message"

+## 3.0.0b2 07/04/2024
+
+* Enable local controller support on Linux
+* Support for custom Qemu path in templates and nodes
+* Round CPUs value in Docker templates and VMs. Ref https://github.com/GNS3/gns3-gui/issues/3572
+
 ## 2.2.46 26/02/2024

 * Add GNS3 console command "env" to show what environment variables are used. Ref https://github.com/GNS3/gns3-server/issues/2306
@@ -86,6 +162,21 @@
 * Add --suppressApplicationTitle for Windows terminal. Fixes https://github.com/GNS3/gns3-gui/issues/3544
 * Upgrade sentry-sdk and aiohttp

+## 3.0.0b1 27/11/2023
+
+* Upgrade sentry-sdk to v1.37.1
+* Deactivate showing a percentage in progress bar. Ref #3543
+
+## 3.0.0a6 15/11/2023
+
+* Possible fix for stuck image upload. Ref https://github.com/GNS3/gns3-server/issues/2310
+* Fix timeout issue when creating Qemu disk image. Fixes https://github.com/GNS3/gns3-server/issues/2313
+* Add ISO file to images filter in Image Manager. Ref https://github.com/GNS3/gns3-server/issues/2310
+* Update custom command help and protect against double quote in project name
+* Refactor command variables support
+* Pass os.environ in Popen()
+* Add the ability to edit width and height in the style edit dialog.
+
 ## 2.2.44.1 07/11/2023

 * No changes
@@ -98,6 +189,77 @@
 * Add Qemu IGB network device
 * Add the ability to edit width and height in the style edit dialog.

+## 3.0.0a5 27/10/2023
+
+* Upgrade to actions/checkout@v3 and actions/setup-python@v3
+* Fix cannot change default VLAN for an access port for builtin Ethernet switch. Fixes #3528
+* Add Qemu IGB network device
+
+## 3.0.0a4 18/10/2023
+
+* New packaging relying only pyproject.toml
+* Apply Snap-to-grid of drawing items not on their center position. Fixes #3465
+* Allow computes to be dynamically or manually allocated
+* Add UEFI boot mode option for Qemu VMs
+* Adjust some values in pyproject.toml
+* Migrate to pyproject.toml
+* Mark VMware and VirtualBox support as deprecated
+* Fix RecursionError with invalid credentials. Fixes #3374
+* Allow raw images by default. Fixes https://github.com/GNS3/gns3-server/issues/2097
+* Dot not allow "no border" style for line items
+* Use "none" for solid line style in drawing items
+* Fix editing Docker container config generates exception and empty config. Fixes #3371
+* Fix cannot detect images by default when trying to upload them in the Image Manager. Fixes #3367
+* Fix unable to set VNC console resolution. Fixes  #3365
+* Set default symbol theme to "Affinity-square-blue"
+* Fix creating a custom Ethernet switch template
+* Update decorative symbols (for Wizards etc.)
+* Use generic symbol names
+* Set raw image param when uploading an image from the appliance wizard
+* Fix incorrect param in getCompute()
+* Checks for valid hostname on server side for Dynamips, IOU, Qemu and Docker nodes
+* Fix incorrect call to QProgress.setValue() with float
+* Reactivate project importation
+* Support compression levels
+* Add zstandard compression
+* Upgrade dependencies
+* Remove Qemu binary requirement
+* Use controller API to list images
+* Use new API endpoints to create/resize Qemu disk images.
+* Drop Python 3.6 support and require Python >= 3.7
+* Improvements when connecting and updating computes
+* Use current directory when searching for images. Fixes #3198
+* Refactor server settings and wizard
+* Disable local server and GNS3 VM preferences
+* Image uploading to controller and project export
+* HTTP client refactoring completed
+* Start HTTP client refactoring
+* Upgrade dependencies
+* Handle empty compute_id in preferences. Ref #3265
+* Remove direct upload to compute
+* Send JWT token in query string when connecting to websocket. Ref https://github.com/GNS3/gns3-server/pull/1992
+* Option to delete orphaned image files from disk when template is removed. Fixes #3249
+* Remove Qemu legacy networking code
+* Isolate and unisolate support. Fixes https://github.com/GNS3/gns3-gui/issues/3190
+* Support authentication using JWT tokens
+* Change Qemu disk descriptions. Fixes #3035
+* Edit only text mode config files
+* Hide config import/export when configFiles attribute is empty
+* Qemu disk interfaces must be set to "none" by default. Ref #3035
+* Do not allow image to be configured on Qemu VM secondary slave disk if create config disk option is enabled.
+* Add explicit option to automatically create or not the config disk. Off by default.
+* Auxiliary console support for Qemu. Ref #2873 Improvements for auxiliary console support for Docker and Dynamips.
+* Support to reset all console connections. Ref https://github.com/GNS3/gns3-server/issues/1619
+* Support to reset links. Fixes https://github.com/GNS3/gns3-server/issues/1620
+* Fix bug when recent files cannot be seen in the new project dialog.
+* Wait for the controller to be online before allowing actions like creating or opening a project. Fixes #2907
+* Show progress dialog immediately when connecting to server. Ref #2907
+* QEMU config disk - enable QEMU config import/export
+* Add total RAM, CPUs and disk size to servers summary as well as disk usage in percent. Fixes https://github.com/GNS3/gns3-server/issues/1532
+* Resource constraints for Docker VMs.
+* Wait for readme to be updated before exporting the project.
+* Support for "usage" for "Cloud" nodes. Fixes https://github.com/GNS3/gns3-gui/issues/2887 Allow "usage" for all builtin nodes (not exposed in Ui).
+
 ## 2.2.43 19/09/2023

 * Add KiTTY to preconfigured telnet consoles. Fixes #3507
@@ -163,6 +325,20 @@
 * Remove deprecated PuTTY option in preferences. Ref https://github.com/GNS3/gns3-gui/discussions/3415


+## 3.0.0a3 27/12/2022
+
+* Catch timeout error while updating appliance files
+* Fix RecursionError with invalid credentials. Fixes #3374
+* Allow raw images by default. Fixes https://github.com/GNS3/gns3-server/issues/2097
+* Remove deprecated PuTTY option in preferences. Ref https://github.com/GNS3/gns3-gui/discussions/3415
+* Fix "variables": [] in project file leads to unlimited increase of empty name/value pairs in GUI. Fixes #3397
+* Ignore local revision when comparing versions.
+* Make version PEP 440 compliant
+* Support for Python 3.11
+* Replace deprecated distro.linux_distribution() call
+* Add a fix for the CVE-2007-4559
+
+
 ## 2.2.35.1 10/11/2022

 * Re-release Web-Ui v2.2.35
@@ -177,6 +353,67 @@
 * Replace deprecated distro.linux_distribution() call
 * Add a fix for the CVE-2007-4559

+## 3.0.0a2 06/09/2022
+
+* Add missing 'sys' module. Ref #3373
+* Upgrade dev dependencies
+* Dot not allow "no border" style for line items
+* Use "none" for solid line style in drawing items
+* Implement new option (Delete All) to contextual menu in "Console" dock. Fixes #3325
+* Fix editing Docker container config generates exception and empty config. Fixes #3371
+* Fix 2560x1440 resolution for Docker container
+* Fix cannot detect images by default when trying to upload them in the Image Manager. Fixes #3367
+* Fix unable to set VNC console resolution. Fixes  #3365
+
+## 3.0.0a1 04/08/2022
+
+* Set default symbol theme to "Affinity-square-blue"
+* Fix creating a custom Ethernet switch template
+* Update decorative symbols (for Wizards etc.)
+* Use generic symbol names
+* Set raw image param when uploading an image from the appliance wizard
+* Checks for valid hostname on server side for Dynamips, IOU, Qemu and Docker nodes
+* Support compression levels
+* Add zstandard compression
+* Remove Qemu binary requirement
+* Use controller API to list images
+* Use new API endpoints to create/resize Qemu disk images.
+* Image management dialog
+* Drop Python 3.6 support and require Python >= 3.7
+* Improvements when connecting and updating computes
+* Use current directory when searching for images. Fixes #3198
+* Refactor server settings and wizard
+* Disable local server and GNS3 VM preferences
+* Image uploading to controller and project export
+* HTTP client refactoring
+* Handle empty compute_id in preferences. Ref #3265
+* Remove direct upload to compute
+* Send JWT token in query string when connecting to websocket. Ref https://github.com/GNS3/gns3-server/pull/1992
+* Remove traceng code
+* Option to delete orphaned image files from disk when template is removed. Fixes #3249
+* Remove Qemu legacy networking code
+* Isolate and unisolate support. Fixes https://github.com/GNS3/gns3-gui/issues/3190
+* Support authentication using JWT tokens
+* Providing the path to create a project is now deprecated.
+* Client to use version 3 of the API.
+* Change Qemu disk descriptions. Fixes #3035
+* Edit only text mode config files
+* Hide config import/export when configFiles attribute is empty
+* Qemu disk interfaces must be set to "none" by default. Ref #3035
+* Do not allow image to be configured on Qemu VM secondary slave disk if create config disk option is enabled.
+* Add explicit option to automatically create or not the config disk. Off by default.
+* Auxiliary console support for Qemu. Ref #2873 Improvements for auxiliary console support for Docker and Dynamips.
+* Support to reset all console connections. Ref https://github.com/GNS3/gns3-server/issues/1619
+* Support to reset links. Fixes https://github.com/GNS3/gns3-server/issues/1620
+* Fix bug when recent files cannot be seen in the new project dialog.
+* Wait for the controller to be online before allowing actions like creating or opening a project. Fixes #2907
+* Show progress dialog immediately when connecting to server. Ref #2907
+* QEMU config disk - enable QEMU config import/export
+* Add total RAM, CPUs and disk size to servers summary as well as disk usage in percent. Fixes https://github.com/GNS3/gns3-server/issues/1532
+* Resource constraints for Docker VMs.
+* Support for "usage" for "Cloud" nodes. Fixes https://github.com/GNS3/gns3-gui/issues/2887 Allow "usage" for all builtin nodes (not exposed in Ui).
+* Markdown support in project Readme. Fixes #2550 #2289 Allow project README to be edited from "File->Edit project". Fixes #2829
+
 ## 2.2.34 28/08/2022

 * Upgrade dev dependencies
--- a/504
+++ b/504
@@ -1,504 +0,0 @@
-GNU Public License (GPL)
------------------------
-
-  GNS3 is released under the GPLv3 (see LICENSE) with the additional
-  exemption that compiling, linking, and/or using OpenSSL is allowed.
-
-GNS3 trademark
--------------
-
-  "GNS3" is a trademark of GNS3 Technologies, Inc.
-
-Windows Driver Kit
------------------
-
-  The Windows binary distribution includes devcon.exe, a Microsoft(R)
-  Windows Driver Kit (WDK) sample in object code form which is
-  redistributed under the terms of the WDK License terms.
-
-  With respect to binaries built using the Microsoft(R) Windows
-  Driver Kit (WDK), GPLv3 does not extend to any WDK Distributable Code.
-  All WDK Distributable Code is considered by the licensors of GNS3
-  to constitute, or be equivalent to, "System Libraries" as defined in
-  section 1 of GPLv3.
-
-OpenSSL License
---------------
-
-  The OpenSSL toolkit stays under a dual license, i.e. both the conditions of
-  the OpenSSL License and the original SSLeay license apply to the toolkit.
-  See below for the actual license texts. Actually both licenses are BSD-style
-  Open Source licenses. In case of any license issues related to OpenSSL
-  please contact openssl-core@openssl.org.
-
-/* ====================================================================
- * Copyright (c) 1998-2003 The OpenSSL Project.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- *    software must display the following acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com).  This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-
- Original SSLeay License
- -----------------------
-
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to.  The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *    "This product includes cryptographic software written by
- *     Eric Young (eay@cryptsoft.com)"
- *    The word 'cryptographic' can be left out if the rouines from the library
- *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- *    the apps directory (application code) you must include an acknowledgement:
- *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed.  i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
-
-=====================================================================================================
-Several fantastic pieces of free and open-source software have really get GNS3 to  where it is today.
-A few require that we include their license agreements within our software.
-=====================================================================================================
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-License notice for Qt
---------------------
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-----------------------
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-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions
-are met:
-
-Redistributions of source code must retain the above copyright notice,
-this list of conditions and the following disclaimer.
-
-Redistributions in binary form must reproduce the above copyright
-notice, this list of conditions and the following disclaimer in
-the documentation and/or other materials provided with the distribution.
-
-Neither names of Greg Stein, Mark Hammond nor the name of contributors may be used
-to endorse or promote products derived from this software without
-specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
-IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
-TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
-PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
-CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-License notice for Winpcap
--------------------------
-https://www.winpcap.org/misc/copyright.htm
-
-Copyright (c) 1999 - 2005 NetGroup, Politecnico di Torino (Italy).
-Copyright (c) 2005 - 2010 CACE Technologies, Davis (California).
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
-    * Redistributions of source code must retain the above copyright
-      notice, this list of conditions and the following disclaimer.
-
-    * Redistributions in binary form must reproduce the above
-      copyright notice, this list of conditions and the following
-      disclaimer in the documentation and/or other materials provided
-      with the distribution.
-
-    * The names of the contributors may not be used to endorse or
-      promote products derived from this software without specific
-      prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-
-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-License notice for cpulimit
---------------------------
-https://github.com/opsengine/cpulimit/blob/master/LICENSE
-
-Copyright (C) 2005-2012, by:  Angelo Marletta <angelo dot marletta at gmail dot com>
-
-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-
-License notice for Cygwin
-------------------------
-https://cygwin.com/licensing.html
-
-License notice for SuperPutty
-----------------------------
-https://github.com/jimradford/superputty/blob/master/License.txt
-
-Copyright (c) 2009 Jim Radford http://www.jimradford.com
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
-
-License notice for Putty
------------------------
-http://www.chiark.greenend.org.uk/~sgtatham/putty/licence.html
-
-PuTTY is copyright 1997-2015 Simon Tatham.
-
-Portions copyright Robert de Bath, Joris van Rantwijk, Delian Delchev, Andreas Schultz, Jeroen Massar,
-Wez Furlong, Nicolas Barry, Justin Bradford, Ben Harris, Malcolm Smith, Ahmad Khalifa, Markus Kuhn,
-Colin Watson, Christopher Staite, and CORE SDI S.A.
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
-
-License notice for iouyap
-------------------------
-https://github.com/GNS3/iouyap/blob/master/LICENSE
-
-License notice for Dynamips
---------------------------
-https://github.com/GNS3/dynamips/blob/master/COPYING
-
-License notice for Qemu
-----------------------
-http://wiki.qemu.org/License
-
-License notice for VPCS
-----------------------
-
-Copyright (c) 2007-2013, Paul Meng (mirnshi@gmail.com)
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions
-are met:
-
-1. Redistributions of source code must retain the above copyright
-   notice, this list of conditions and the following disclaimer.
-2. Redistributions in binary form must reproduce the above copyright
-   notice, this list of conditions and the following disclaimer in the
-   documentation and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
-LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-THE POSSIBILITY OF SUCH DAMAGE.
-
-License notice for Python
-------------------------
-https://www.python.org/download/releases/3.4.2/license/
-
-License notice for BusyBox
---------------------------
-BusyBox is distributed under version 2 of the General Public License
-https://busybox.net/license.html
-
-Source code is available here:
-https://github.com/GNS3/busybox
-
-
-Licence notice for zipstream
-----------------------------
-zipstream is distributed under version 3 of the General Public License
-https://github.com/allanlei/python-zipstream/blob/master/LICENSE
-
-Source code is available here:
-https://pypi.python.org/pypi/zipstream
-
-
-Licence notice for aiohttp_cors
-------------------------------
-Copyright 2015 Vladimir Rutsky <vladimir@rutsky.org>.
-
-Licensed under the Apache License, Version 2.0, see LICENSE file for details.
-
-https://github.com/aio-libs/aiohttp_cors
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,10 +1,6 @@
 include README.md
-include AUTHORS
 include LICENSE
-include MANIFEST.in
-include requirements.txt
-recursive-include tests *
+include CHANGELOG
 recursive-include gns3 *
-recursive-include resources *
 recursive-exclude * __pycache__
 recursive-exclude * *.py[co]
--- a/README.md
+++ b/README.md
@@ -1,18 +1,14 @@
 GNS3-gui
 ========

-[![image](https://github.com/GNS3/gns3-gui/workflows/testing/badge.svg)](https://github.com/GNS3/gns3-gui/actions?query=workflow%3Atesting)
-
-[![image](https://img.shields.io/pypi/v/gns3-gui.svg)](https://pypi.python.org/pypi/gns3-gui)
-
-[![image](https://snyk.io/test/github/GNS3/gns3-gui/badge.svg)](https://snyk.io/test/github/GNS3/gns3-gui)
-
-GNS3 GUI repository.
+[![GitHub Actions tests](https://github.com/GNS3/gns3-gui/workflows/testing/badge.svg)](https://github.com/GNS3/gns3-gui/actions?query=workflow%3Atesting)
+[![Latest PyPi version](https://img.shields.io/pypi/v/gns3-gui.svg)](https://pypi.python.org/pypi/gns3-gui)
+[![Snyk scanning](https://snyk.io/test/github/GNS3/gns3-gui/badge.svg)](https://snyk.io/test/github/GNS3/gns3-gui)

 Installation
 ------------

-Please see <https://docs.gns3.com/>
+Please see the documentation on our [website](https://docs.gns3.com)

 Software dependencies
 ---------------------
@@ -20,7 +16,7 @@ Software dependencies
 PyQt5 which is either part of the Linux distribution or installable from
 PyPi. The other Python dependencies are automatically installed during
 the GNS3 GUI installation and are listed
-[here](https://github.com/GNS3/gns3-gui/blob/master/requirements.txt)
+[here](https://github.com/GNS3/gns3-gui/blob/3.0/requirements.txt)

 For connecting to nodes using Telnet, a Telnet client is required. On
 Linux that's a terminal emulator like xterm, gnome-terminal, konsole
@@ -43,7 +39,7 @@ cd scripts
 python build_pyqt.py
 ```

-### Debug
+### Debugging

 If you want to see the full logs in the internal shell you can type:

--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,4 +1,2 @@
-rrequirements.txt
-
-pytest==8.3.2
+pytest==8.3.4
 pytest-timeout==2.3.1
--- a/gns3/appliance_manager.py
+++ b/gns3/appliance_manager.py
@@ -19,6 +19,7 @@ from .qt import QtCore
 from .controller import Controller
 from .local_config import LocalConfig
 from .settings import GENERAL_SETTINGS
+from .http_client_error import HttpClientError


 import logging
@@ -49,7 +50,17 @@ class ApplianceManager(QtCore.QObject):
            settings = LocalConfig.instance().loadSectionSettings("MainWindow", GENERAL_SETTINGS)
            symbol_theme = settings["symbol_theme"]
            if update is True:
-                self._controller.get("/appliances?update=yes&symbol_theme={}".format(symbol_theme), self._listAppliancesCallback, progressText="Downloading appliances from online registry...")
+                try:
+                    self._controller.get(
+                        "/appliances?update=yes&symbol_theme={}".format(symbol_theme),
+                        self._listAppliancesCallback,
+                        progress_text="Downloading appliances from online registry...",
+                        wait=True,
+                        timeout=300
+                    )
+                except HttpClientError as e:
+                    log.error(f"Error while getting appliances list: {e}")
+                    return
            else:
                self._controller.get("/appliances?symbol_theme={}".format(symbol_theme), self._listAppliancesCallback)

--- a/gns3/application.py
+++ b/gns3/application.py
@@ -20,6 +20,7 @@ import sys

 from .qt import QtWidgets, QtGui, QtCore
 from gns3.utils import parse_version
+from gns3.local_config import LocalConfig
 from .version import __version__

 import logging
@@ -37,7 +38,9 @@ class Application(QtWidgets.QApplication):
            # only available starting Qt version 5.6
            if hdpi:
                if sys.platform.startswith("linux"):
-                    log.warning("HDPI mode is enabled. HDPI support on Linux is not fully stable and GNS3 may crash depending of your version of Linux. To disabled HDPI mode please edit ~/.config/GNS3/gns3_gui.conf and set 'hdpi' to 'false'")
+                    local_config_path = LocalConfig.instance().configFilePath()
+                    log.warning("HDPI mode is enabled. HDPI support on Linux is not fully stable and GNS3 may crash depending of your version of Linux. "
+                                f"To disabled HDPI mode please edit '{local_config_path}' and set 'hdpi' to 'false'")
                self.setAttribute(QtCore.Qt.AA_EnableHighDpiScaling)
                self.setAttribute(QtCore.Qt.AA_UseHighDpiPixmaps)
            else:
--- a/gns3/compute.py
+++ b/gns3/compute.py
@@ -37,6 +37,7 @@ class Compute:
        self._password = None
        self._cpu_usage_percent = None
        self._memory_usage_percent = None
+        self._disk_usage_percent = None
        self._capabilities = {"node_types": []}
        self._last_error = None

@@ -202,6 +203,24 @@ class Compute:

        return self._memory_usage_percent

+    def setDiskUsagePercent(self, usage):
+        """
+        Sets the compute disk usage.
+
+        :returns: disk usage (integer)
+        """
+
+        self._disk_usage_percent = usage
+
+    def diskUsagePercent(self):
+        """
+        Returns the compute disk usage.
+
+        :param usage: disk usage (integer)
+        """
+
+        return self._disk_usage_percent
+
    def capabilities(self):
        """
        Returns the compute capabilities
--- a/gns3/compute_manager.py
+++ b/gns3/compute_manager.py
@@ -15,7 +15,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.

-from .qt import QtCore
+from .qt import QtCore, QtWidgets
 from .compute import Compute
 from .controller import Controller

@@ -50,11 +50,11 @@ class ComputeManager(QtCore.QObject):
        # No need to refresh via an API call if we received fresh data from the notification feed
        self._last_computes_refresh = datetime.datetime.now().timestamp()

-        self._timer = QtCore.QTimer()
-        self._timer.setInterval(1000)
        self._refreshingComputes = False
-        self._timer.timeout.connect(self._refreshComputesSlot)
-        self._timer.start()
+        # self._timer = QtCore.QTimer()
+        # self._timer.setInterval(1000)
+        # self._timer.timeout.connect(self._refreshComputesSlot)
+        # self._timer.start()

    def _refreshComputesSlot(self):
        """
@@ -66,7 +66,7 @@ class ComputeManager(QtCore.QObject):
        if self._controller.connected() and datetime.datetime.now().timestamp() - self._last_computes_refresh > 1:
            self._last_computes_refresh = datetime.datetime.now().timestamp()
            self._refreshingComputes = True
-            self._controller.get("/computes", self._listComputesCallback, showProgress=False, timeout=30)
+            self._controller.get("/computes", self._listComputesCallback, show_progress=False, timeout=30)

    def _controllerConnectedSlot(self):
        """
@@ -75,11 +75,11 @@ class ComputeManager(QtCore.QObject):

        if self._controller.connected():
            self._refreshingComputes = True
-            self._controller.get("/computes", self._listComputesCallback, showProgress=False, timeout=30)
+            self._controller.get("/computes", self._listComputesCallback, show_progress=False, timeout=30)

    def _controllerDisconnectedSlot(self):
        """
-        Called when disconnected from a compute.
+        Called when disconnected from the controller.
        """

        for compute_id in list(self._computes):
@@ -96,8 +96,9 @@ class ComputeManager(QtCore.QObject):
            log.error("Error while getting compute list: {}".format(result["message"]))
            return

-        for compute in result:
-            self.computeDataReceivedCallback(compute)
+        if result:
+            for compute in result:
+                self.computeDataReceivedCallback(compute)

    def computeDataReceivedCallback(self, compute):
        """
@@ -113,15 +114,17 @@ class ComputeManager(QtCore.QObject):
            self._computes[compute_id] = Compute(compute_id)

        self._computes[compute_id].setName(compute["name"])
-        self._computes[compute_id].setConnected(compute["connected"])
        self._computes[compute_id].setProtocol(compute["protocol"])
        self._computes[compute_id].setHost(compute["host"])
        self._computes[compute_id].setPort(compute["port"])
        self._computes[compute_id].setUser(compute["user"])
-        self._computes[compute_id].setCpuUsagePercent(compute["cpu_usage_percent"])
-        self._computes[compute_id].setMemoryUsagePercent(compute["memory_usage_percent"])
-        self._computes[compute_id].setCapabilities(compute["capabilities"])
-        self._computes[compute_id].setLastError(compute.get("last_error"))
+        if "connected" in compute:
+            self._computes[compute_id].setConnected(compute["connected"])
+            self._computes[compute_id].setCpuUsagePercent(compute["cpu_usage_percent"])
+            self._computes[compute_id].setMemoryUsagePercent(compute["memory_usage_percent"])
+            self._computes[compute_id].setDiskUsagePercent(compute["disk_usage_percent"])
+            self._computes[compute_id].setCapabilities(compute["capabilities"])
+            self._computes[compute_id].setLastError(compute.get("last_error"))

        if new_node:
            self.created_signal.emit(compute_id)
@@ -208,6 +211,20 @@ class ComputeManager(QtCore.QObject):
            self.created_signal.emit(compute_id)
        return self._computes[compute_id]

+    def connectToCompute(self, compute_id):
+        """
+        Connect to a compute
+        """
+
+        self._controller.post(f"/computes/{compute_id}/connect", callback=self._computeConnectCallback)
+
+    def _computeConnectCallback(self, result, error=False, **kwargs):
+
+        if error and "message" in result:
+            from gns3.main_window import MainWindow
+            parent = MainWindow.instance()
+            QtWidgets.QMessageBox.critical(parent, "Remote compute", result.get("message"))
+
    def deleteCompute(self, compute_id):
        """
        Deletes a compute by ID
@@ -245,10 +262,16 @@ class ComputeManager(QtCore.QObject):
        for compute in computes:
            if compute.id() not in self._computes:
                log.debug("Create compute %s", compute.id())
-                self._controller.post("/computes", None, body=compute.__json__())
+                params = {"connect": True}
+                self._controller.post("/computes", callback=self._computeCreatedCallback, body=compute.__json__(), params=params)
                self._computes[compute.id()] = compute
                self.created_signal.emit(compute.id())

+    def _computeCreatedCallback(self, result, error=False, **kwargs):
+
+        if error:
+            log.error(result.get("message"))
+
    @staticmethod
    def reset():
        ComputeManager._instance = None
--- a/gns3/compute_summary_view.py
+++ b/gns3/compute_summary_view.py
@@ -16,13 +16,15 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.

 """
-Compute summary view that list all the compute, their status.
+Compute summary view that list all the computes and their status.
 """

 from .qt import QtGui, QtCore, QtWidgets
 from .compute_manager import ComputeManager
 from .topology import Topology
 from .node import Node
+from .utils import human_size
+from .utils.get_icon import get_icon

 import logging
 log = logging.getLogger(__name__)
@@ -43,9 +45,16 @@ class ComputeItem(QtWidgets.QTreeWidgetItem):
        self._compute = compute
        self._parent = parent
        self._status = "unknown"
-
        self._refreshStatusSlot()

+    def getCompute(self):
+
+        return self._compute
+
+    def setCompute(self, compute):
+
+        self._compute = compute
+
    def _refreshStatusSlot(self):
        """
        Changes the icon to show the node status (started, stopped etc.)
@@ -58,14 +67,20 @@ class ComputeItem(QtWidgets.QTreeWidgetItem):
        text = self._compute.name()

        if self._compute.cpuUsagePercent() is not None:
-            text = "{} CPU {}%, RAM {}%".format(text, self._compute.cpuUsagePercent(), self._compute.memoryUsagePercent())
+            text = "{} CPU {}%, RAM {}%, DISK {}%".format(text,
+                                                          self._compute.cpuUsagePercent(),
+                                                          self._compute.memoryUsagePercent(),
+                                                          self._compute.diskUsagePercent())

        self.setText(0, text)
        if self._compute.connected():
            self._status = "connected"
-            self.setToolTip(0, "Server {} version {} running on {}".format(self._compute.name(),
-                                                                           self._compute.capabilities().get("version", "n/a"),
-                                                                           self._compute.capabilities().get("platform", "")))
+            self.setToolTip(0, "Server {} v{} running on {} (CPUs={} / RAM={} / DISK={})".format(self._compute.name(),
+                                                                                                 self._compute.capabilities().get("version", "n/a"),
+                                                                                                 self._compute.capabilities().get("platform", ""),
+                                                                                                 self._compute.capabilities().get("cpus", 0),
+                                                                                                 human_size(self._compute.capabilities().get("memory", 0)),
+                                                                                                 human_size(self._compute.capabilities().get("disk_size", 0))))
            if usage is None or (self._compute.cpuUsagePercent() < 90 and self._compute.memoryUsagePercent() < 90):
                self.setIcon(0, QtGui.QIcon(':/icons/led_green.svg'))
            else:
@@ -111,13 +126,44 @@ class ComputeSummaryView(QtWidgets.QTreeWidget):
    def __init__(self, parent):

        super().__init__(parent)
-        self._computes = {}
+        self._compute_items = {}
        ComputeManager.instance().created_signal.connect(self._computeAddedSlot)
        ComputeManager.instance().updated_signal.connect(self._computeUpdatedSlot)
        ComputeManager.instance().deleted_signal.connect(self._computeRemovedSlot)
        for compute in ComputeManager.instance().computes():
            self._computeAddedSlot(compute.id())

+    def contextMenuEvent(self, event):
+        """
+        Handles all context menu events.
+
+        :param event: QContextMenuEvent instance
+        """
+
+        self._showContextualMenu(event.globalPos())
+
+    def _showContextualMenu(self, pos):
+
+        item = self.currentItem()
+        if item and isinstance(item, ComputeItem):
+            compute = item.getCompute()
+            if not compute.connected():
+                menu = QtWidgets.QMenu()
+                connect_action = QtWidgets.QAction("Connect to server", menu)
+                connect_action.setIcon(get_icon("start.svg"))
+                connect_action.triggered.connect(lambda: ComputeManager.instance().connectToCompute(compute.id()))
+                menu.addAction(connect_action)
+                menu.exec_(pos)
+
+    def _computeConnectSlot(self, compute_id):
+        """
+
+        :param compute_id:
+        :return:
+        """
+
+        ComputeManager.instance().connectToCompute(compute_id)
+
    def _computeAddedSlot(self, compute_id):
        """
        Called when a compute is added to the list of computes
@@ -128,7 +174,7 @@ class ComputeSummaryView(QtWidgets.QTreeWidget):
        compute = ComputeManager.instance().getCompute(compute_id)
        if ComputeManager.instance().computeIsTheRemoteGNS3VM(compute):
            return
-        self._computes[compute_id] = ComputeItem(self, compute)
+        self._compute_items[compute_id] = ComputeItem(self, compute)

    def _computeUpdatedSlot(self, compute_id):
        """
@@ -137,13 +183,14 @@ class ComputeSummaryView(QtWidgets.QTreeWidget):
        :params url: URL of the compute
        """

-        if compute_id in self._computes:
+        if compute_id in self._compute_items:
            compute = ComputeManager.instance().getCompute(compute_id)
            # We hide the remote GNS3 VM
            if ComputeManager.instance().computeIsTheRemoteGNS3VM(compute):
                self._computeRemovedSlot(compute_id)
            else:
-                self._computes[compute_id]._refreshStatusSlot()
+                self._compute_items[compute_id].setCompute(compute)
+                self._compute_items[compute_id]._refreshStatusSlot()
        else:
            self._computeAddedSlot(compute_id)

@@ -154,6 +201,6 @@ class ComputeSummaryView(QtWidgets.QTreeWidget):
        :params url: URL of the compute
        """

-        if compute_id in self._computes:
-            self.takeTopLevelItem(self.indexOfTopLevelItem(self._computes[compute_id]))
-            del self._computes[compute_id]
+        if compute_id in self._compute_items:
+            self.takeTopLevelItem(self.indexOfTopLevelItem(self._compute_items[compute_id]))
+            del self._compute_items[compute_id]
--- a/gns3/controller.py
+++ b/gns3/controller.py
@@ -21,13 +21,14 @@ import tempfile
 import json
 import pathlib

-from .qt import QtCore, QtNetwork, QtGui, QtWidgets, QtWebSockets, qpartial, qslot
-from .symbol import Symbol
-from .local_server_config import LocalServerConfig
-from .settings import LOCAL_SERVER_SETTINGS
+from urllib.parse import urlparse
+from .qt import QtCore, QtGui, QtWebSockets, qpartial, qslot

-from gns3.local_config import LocalConfig
+from .symbol import Symbol
+from .local_config import LocalConfig
+from .settings import CONTROLLER_SETTINGS
 from gns3.utils import parse_version
+from gns3.http_client import HTTPClient

 import logging
 log = logging.getLogger(__name__)
@@ -42,6 +43,7 @@ class Controller(QtCore.QObject):
    disconnected_signal = QtCore.Signal()
    connection_failed_signal = QtCore.Signal()
    project_list_updated_signal = QtCore.Signal()
+    image_list_updated_signal = QtCore.Signal()

    def __init__(self):

@@ -56,16 +58,47 @@ class Controller(QtCore.QObject):
        self._error_dialog = None
        self._display_error = True
        self._projects = []
+        self._images = []
        self._websocket = QtWebSockets.QWebSocket()

        # If we do multiple call in order to download the same symbol we queue them
        self._static_asset_download_queue = {}

+        self._loadSettings()
+
+    def settings(self):
+        """
+        Returns the graphics view settings.
+
+        :returns: settings dictionary
+        """
+
+        return self._settings
+
+    def _loadSettings(self):
+        """
+        Loads the settings from the persistent settings file.
+        """
+
+        self._settings = LocalConfig.instance().loadSectionSettings(self.__class__.__name__, CONTROLLER_SETTINGS)
+
+    def setSettings(self, new_settings):
+        """
+        Set new controller settings.
+
+        :param new_settings: settings dictionary
+        """
+
+        # save the settings
+        self._settings.update(new_settings)
+        LocalConfig.instance().saveSectionSettings(self.__class__.__name__, self._settings)
+
    def host(self):

        return self._http_client.host()

    def version(self):
+
        return self._version

    def isRemote(self):
@@ -73,8 +106,7 @@ class Controller(QtCore.QObject):
        :returns Boolean: True if the controller is remote
        """

-        settings = LocalServerConfig.instance().loadSettings("Server", LOCAL_SERVER_SETTINGS)
-        return not settings["auto_start"]
+        return self._settings["remote"]

    def connecting(self):
        """
@@ -104,10 +136,8 @@ class Controller(QtCore.QObject):

        self._http_client = http_client
        if self._http_client:
-            if self.isRemote():
-                self._http_client.setMaxTimeDifferenceBetweenQueries(120)
-            self._http_client.connection_connected_signal.connect(self._httpClientConnectedSlot)
-            self._http_client.connection_disconnected_signal.connect(self._httpClientDisconnectedSlot)
+            self._http_client.connected_signal.connect(self._httpClientConnectedSlot)
+            self._http_client.disconnected_signal.connect(self._httpClientDisconnectedSlot)
            self._connectingToServer()

    def getHttpClient(self):
@@ -125,6 +155,14 @@ class Controller(QtCore.QObject):
        self._display_error = val
        self._first_error = True

+    def connect(self):
+        """
+        Connect to controller
+        """
+
+        self._http_client = HTTPClient(self._settings)
+        Controller.instance().setHttpClient(self._http_client)
+
    def _connectingToServer(self):
        """
        Connection process as started
@@ -132,46 +170,16 @@ class Controller(QtCore.QObject):

        self._connected = False
        self._connecting = True
-        status, json_data = self.httpClient().getSynchronous('GET', '/version', timeout=60)
-        self._versionGetSlot(json_data, status is None or status >= 300)
+        self.httpClient().connectToServer()

    def _httpClientDisconnectedSlot(self):
+
        if self._connected:
            self._connected = False
            self.disconnected_signal.emit()
            self._connectingToServer()
            self.stopListenNotifications()

-    def _versionGetSlot(self, result, error=False, **kwargs):
-        """
-        Called after the initial version get
-        """
-
-        if error:
-            if self._first_error:
-                self._connecting = False
-                self.connection_failed_signal.emit()
-                if self._display_error:
-                    self._error_dialog = QtWidgets.QMessageBox(self.parent())
-                    self._error_dialog.setWindowModality(QtCore.Qt.ApplicationModal)
-                    self._error_dialog.setWindowTitle("Connection to server")
-                    if result and "message" in result:
-                        self._error_dialog.setText("Error when connecting to the GNS3 server:\n{}".format(result["message"]))
-                    else:
-                        self._error_dialog.setText("Cannot connect to the GNS3 server")
-                    self._error_dialog.setIcon(QtWidgets.QMessageBox.Critical)
-                    self._error_dialog.show()
-            # Try to connect again in 5 seconds
-            QtCore.QTimer.singleShot(5000, qpartial(self.get, '/version', self._versionGetSlot, showProgress=self._first_error))
-            self._first_error = False
-        else:
-            self._first_error = True
-            if self._error_dialog:
-                self._error_dialog.reject()
-                self._error_dialog = None
-            self._version = result.get("version")
-            self._http_client.connection_connected_signal.emit()
-
    def _httpClientConnectedSlot(self):

        if not self._connected:
@@ -182,16 +190,16 @@ class Controller(QtCore.QObject):
            self._startListenNotifications()

    def post(self, *args, **kwargs):
-        return self.createHTTPQuery("POST", *args, **kwargs)
+        return self.request("POST", *args, **kwargs)

    def get(self, *args, **kwargs):
-        return self.createHTTPQuery("GET", *args, **kwargs)
+        return self.request("GET", *args, **kwargs)

    def put(self, *args, **kwargs):
-        return self.createHTTPQuery("PUT", *args, **kwargs)
+        return self.request("PUT", *args, **kwargs)

    def delete(self, *args, **kwargs):
-        return self.createHTTPQuery("DELETE", *args, **kwargs)
+        return self.request("DELETE", *args, **kwargs)

    def getCompute(self, path, compute_id, *args, **kwargs):
        """
@@ -227,31 +235,13 @@ class Controller(QtCore.QObject):
                return compute_id
        return compute_id

-    def getEndpoint(self, path, compute_id, *args, **kwargs):
+    def request(self, method, path, *args, **kwargs):
        """
-        API post on a specific compute
-        """
-
-        compute_id = self.__fix_compute_id(compute_id)
-        path = "/computes/endpoint/{}{}".format(compute_id, path)
-        return self.get(path, *args, **kwargs)
-
-    def putCompute(self, path, compute_id, *args, **kwargs):
-        """
-        API put on a specific compute
-        """
-
-        compute_id = self.__fix_compute_id(compute_id)
-        path = "/computes/{}{}".format(compute_id, path)
-        return self.put(path, *args, **kwargs)
-
-    def createHTTPQuery(self, method, path, *args, **kwargs):
-        """
-        Forward the query to the HTTP client or controller depending of the path
+        Forward the query to the HTTP client or controller depending on the path
        """

        if self._http_client:
-            return self._http_client.createHTTPQuery(method, path, *args, **kwargs)
+            return self._http_client.sendRequest(method, path, *args, **kwargs)

    @staticmethod
    def instance():
@@ -284,9 +274,10 @@ class Controller(QtCore.QObject):
            self._static_asset_download_queue[path].append((callback, fallback, ))
        else:
            self._static_asset_download_queue[path] = [(callback, fallback, )]
-            self._http_client.createHTTPQuery("GET", url, qpartial(self._getStaticCallback, url, path))
+            self._http_client.sendRequest("GET", url, qpartial(self._getStaticCallback, url, path), raw=True)
+
+    def _getStaticCallback(self, url, path, result, error=False, **kwargs):

-    def _getStaticCallback(self, url, path, result, error=False, raw_body=None, **kwargs):
        if path not in self._static_asset_download_queue:
            return

@@ -302,7 +293,7 @@ class Controller(QtCore.QObject):
            return
        try:
            with open(path, "wb+") as f:
-                f.write(raw_body)
+                f.write(result)
        except OSError as e:
            log.error("Can't write to {}: {}".format(path, str(e)))
            return
@@ -366,9 +357,14 @@ class Controller(QtCore.QObject):

    def uploadSymbol(self, symbol_id, path):

-        self.post("/symbols/" + symbol_id + "/raw",
-                  qpartial(self._finishSymbolUpload, path),
-                  body=pathlib.Path(path), progressText="Uploading {}".format(symbol_id), timeout=None)
+        self.post(
+            "/symbols/" + symbol_id + "/raw",
+            qpartial(self._finishSymbolUpload, path),
+            body=pathlib.Path(path),
+            progress_text="Uploading {}".format(symbol_id),
+            timeout=None,
+            wait=True
+        )

    def _finishSymbolUpload(self, path, result, error=False, **kwargs):

@@ -397,6 +393,17 @@ class Controller(QtCore.QObject):
        if callback:
            callback(result, error=error, **kwargs)

+
+    def createDiskImage(self, disk_name, options, callback):
+        """
+        Create a disk image on the controller
+
+        :param callback: callback for the reply from the server
+        """
+
+        self.post(f"/images/qemu/{disk_name}", callback, body=options)
+
+
    @qslot
    def refreshProjectList(self, *args):
        self.get("/projects", self._projectListCallback)
@@ -409,32 +416,50 @@ class Controller(QtCore.QObject):
    def projects(self):
        return self._projects

+    @qslot
+    def refreshImageList(self, *args):
+        self.get("/images", self._imageListCallback)
+
+    def _imageListCallback(self, result, error=False, **kwargs):
+        if not error:
+            self._images = result
+        self.image_list_updated_signal.emit()
+
+    def images(self):
+        return self._images
+
    def _startListenNotifications(self):
        if not self.connected():
            return

-        # Due to bug in Qt on some version we need a dedicated network manager
-        self._notification_network_manager = QtNetwork.QNetworkAccessManager()
        self._notification_stream = None

        # Qt websocket before Qt 5.6 doesn't support auth
        if parse_version(QtCore.QT_VERSION_STR) < parse_version("5.6.0") or parse_version(QtCore.PYQT_VERSION_STR) < parse_version("5.6.0") or LocalConfig.instance().experimental():
-
-            self._notification_stream = Controller.instance().createHTTPQuery("GET", "/notifications", self._endListenNotificationCallback,
-                                                                              downloadProgressCallback=self._event_received,
-                                                                              networkManager=self._notification_network_manager,
-                                                                              timeout=None,
-                                                                              showProgress=False,
-                                                                              ignoreErrors=True)
-            url = self._http_client.url() + '/notifications'
-            log.info("Listening for controller notifications on '{}'".format(url))
-
+            self._notification_stream = Controller.instance().request(
+                "GET",
+                "/notifications",
+                self._endListenNotificationCallback,
+                download_progress_callback=self._event_received,
+                timeout=None,
+                show_progress=False
+            )
+            url = urlparse(self._http_client.url() + '/notifications')
+            log.info(f"Listening for controller notifications on {url.scheme}://{url.netloc}{url.path}")
        else:
            self._notification_stream = self._http_client.connectWebSocket(self._websocket, "/notifications/ws")
            self._notification_stream.textMessageReceived.connect(self._websocket_event_received)
            self._notification_stream.error.connect(self._websocket_error)
            self._notification_stream.sslErrors.connect(self._sslErrorsSlot)
-            log.info("Listening for controller notifications on '{}'".format(self._notification_stream.requestUrl().toString()))
+            self._notification_stream.disconnected.connect(self._websocket_disconnected)
+            url = urlparse(self._notification_stream.requestUrl().toString())
+            log.info(f"Listening for controller notifications on {url.scheme}://{url.netloc}{url.path}")
+
+    def _websocket_disconnected(self):
+
+        self._connected = False
+        self.disconnected_signal.emit()
+        self.stopListenNotifications()

    def stopListenNotifications(self):
        if self._notification_stream:
@@ -442,7 +467,6 @@ class Controller(QtCore.QObject):
            stream = self._notification_stream
            self._notification_stream = None
            stream.abort()
-            self._notification_network_manager = None

    def _endListenNotificationCallback(self, result, error=False, **kwargs):
        """
@@ -454,10 +478,10 @@ class Controller(QtCore.QObject):

    @qslot
    def _websocket_error(self, error):
+
        if self._notification_stream:
            log.error("Websocket controller notification stream error: {}".format(self._notification_stream.errorString()))
-            self._notification_stream = None
-            self._startListenNotifications()
+            self.stopListenNotifications()

    @qslot
    def _sslErrorsSlot(self, ssl_errors):
--- a/gns3/crash_report.py
+++ b/gns3/crash_report.py
@@ -15,6 +15,12 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.

+import sys
+import os
+import platform
+import struct
+import distro
+
 try:
    import sentry_sdk
    from sentry_sdk.integrations.logging import LoggingIntegration
@@ -23,12 +29,6 @@ except ImportError:
    # Sentry SDK is not installed with deb package in order to simplify packaging
    SENTRY_SDK_AVAILABLE = False

-import sys
-import os
-import platform
-import struct
-import distro
-
 from .version import __version__, __version_info__

 import logging
@@ -50,7 +50,7 @@ class CrashReport:
    Report crash to a third party service
    """

-    DSN = "https://62d45083e8fee6a3f5c28d4710ef2cb6@o19455.ingest.us.sentry.io/38506"
+    DSN = "https://2c566462fd83125be9ee89bf54b546a8@o19455.ingest.us.sentry.io/38506"
    _instance = None

    def __init__(self):
--- a/gns3/dialogs/appliance_wizard.py
+++ b/gns3/dialogs/appliance_wizard.py
@@ -16,6 +16,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.

 import os
+import sys
 from ..qt import sip
 import shutil

@@ -29,7 +30,7 @@ from ..registry.registry import Registry
 from ..registry.config import Config
 from ..registry.appliance_to_template import ApplianceToTemplate
 from ..registry.image import Image
-from ..utils import human_filesize
+from ..utils import human_size
 from ..utils.wait_for_lambda_worker import WaitForLambdaWorker
 from ..utils.progress_dialog import ProgressDialog
 from ..compute_manager import ComputeManager
@@ -52,7 +53,6 @@ class ApplianceWizard(QtWidgets.QWizard, Ui_ApplianceWizard):

        self.setupUi(self)
        self._refreshing = False
-        self._server_check = False
        self._template_created = False
        self._path = path

@@ -75,6 +75,12 @@ class ApplianceWizard(QtWidgets.QWizard, Ui_ApplianceWizard):
        # directories where to search for images
        images_directories = list()

+        # add the current directory
+        if hasattr(sys, "frozen"):
+            images_directories.append(os.path.dirname(os.path.abspath(sys.executable)))
+        else:
+            images_directories.append(os.path.abspath(os.curdir))
+
        for emulator in ("QEMU", "IOU", "DYNAMIPS"):
            emulator_images_dir = ImageManager.instance().getDirectoryForType(emulator)
            if os.path.exists(emulator_images_dir):
@@ -102,9 +108,6 @@ class ApplianceWizard(QtWidgets.QWizard, Ui_ApplianceWizard):

        # customize the server selection
        self.uiRemoteRadioButton.toggled.connect(self._remoteServerToggledSlot)
-        if hasattr(self, "uiVMRadioButton"):
-            self.uiVMRadioButton.toggled.connect(self._vmToggledSlot)
-
        self.uiLocalRadioButton.toggled.connect(self._localToggledSlot)
        if Controller.instance().isRemote():
            self.uiLocalRadioButton.setText("Install the appliance on the main server")
@@ -138,7 +141,12 @@ class ApplianceWizard(QtWidgets.QWizard, Ui_ApplianceWizard):

        # add symbol
        if self._appliance["category"] == "guest":
-            symbol = ":/symbols/computer.svg"
+            if self._appliance.template_type() == "docker":
+                symbol = ":/symbols/docker_guest.svg"
+            elif self._appliance.template_type() == "qemu":
+                symbol = ":/symbols/qemu_guest.svg"
+            else:
+                symbol = ":/symbols/computer.svg"
        else:
            symbol = ":/symbols/{}.svg".format(self._appliance["category"])
        self.page(page_id).setPixmap(QtWidgets.QWizard.LogoPixmap, QtGui.QPixmap(symbol))
@@ -146,12 +154,6 @@ class ApplianceWizard(QtWidgets.QWizard, Ui_ApplianceWizard):
        if self.page(page_id) == self.uiServerWizardPage:

            Controller.instance().getSymbols(self._getSymbolsCallback)
-            template_type = self._appliance.template_type()
-            if not template_type:
-                raise ApplianceError("No template type found for appliance {}".format(self._appliance["name"]))
-            is_mac = ComputeManager.instance().localPlatform().startswith("darwin")
-            is_win = ComputeManager.instance().localPlatform().startswith("win")
-
            self.uiRemoteServersComboBox.clear()
            if len(ComputeManager.instance().remoteComputes()) == 0:
                self.uiRemoteRadioButton.setEnabled(False)
@@ -160,50 +162,22 @@ class ApplianceWizard(QtWidgets.QWizard, Ui_ApplianceWizard):
                for compute in ComputeManager.instance().remoteComputes():
                    self.uiRemoteServersComboBox.addItem(compute.name(), compute)

-            if not ComputeManager.instance().vmCompute():
-                self.uiVMRadioButton.setEnabled(False)
+            #if ComputeManager.instance().localPlatform() is None:
+            #    self.uiLocalRadioButton.setEnabled(False)

-            if ComputeManager.instance().localPlatform() is None:
-                self.uiLocalRadioButton.setEnabled(False)
-            elif is_mac or is_win:
-                if template_type == "qemu":
-                    # disallow usage of the local server because Qemu has issues on OSX and Windows
-                    if not LocalConfig.instance().experimental():
-                        self.uiLocalRadioButton.setEnabled(False)
-                elif template_type != "dynamips":
-                    self.uiLocalRadioButton.setEnabled(False)
-
-            if ComputeManager.instance().vmCompute():
-                self.uiVMRadioButton.setChecked(True)
-            elif ComputeManager.instance().localCompute() and self.uiLocalRadioButton.isEnabled():
+            if ComputeManager.instance().localCompute() and self.uiLocalRadioButton.isEnabled():
                self.uiLocalRadioButton.setChecked(True)
            elif self.uiRemoteRadioButton.isEnabled():
                self.uiRemoteRadioButton.setChecked(True)
            else:
                self.uiRemoteRadioButton.setChecked(False)

-            if is_mac or is_win:
-                if not self.uiRemoteRadioButton.isEnabled() and not self.uiVMRadioButton.isEnabled() and not self.uiLocalRadioButton.isEnabled():
-                    QtWidgets.QMessageBox.warning(self, "GNS3 VM", "The GNS3 VM is not available, please configure the GNS3 VM before adding a new appliance.")
-
        elif self.page(page_id) == self.uiFilesWizardPage:
            if Controller.instance().isRemote() or self._compute_id != "local":
-                self._registry.getRemoteImageList(self._appliance.template_type(), self._compute_id)
+                self._registry.getRemoteImageList()
            else:
                self.images_changed_signal.emit()

-        elif self.page(page_id) == self.uiQemuWizardPage:
-            if self._appliance.template_properties().get('kvm', 'require') == 'require':
-                self._server_check = False
-                Qemu.instance().getQemuCapabilitiesFromServer(self._compute_id, qpartial(self._qemuServerCapabilitiesCallback))
-            else:
-                self._server_check = True
-            if self._appliance["registry_version"] >= 8:
-                qemu_platform = self._appliance.template_properties()["platform"]
-            else:
-                qemu_platform = self._appliance.template_properties()["arch"]
-            Qemu.instance().getQemuBinariesFromServer(self._compute_id, qpartial(self._getQemuBinariesFromServerCallback), [qemu_platform])
-
        elif self.page(page_id) == self.uiInstructionsPage:

            installation_instructions = self._appliance.get("installation_instructions", "No installation instructions available")
@@ -227,27 +201,8 @@ Usage: {}

            self.uiUsageTextEdit.setText(usage_info.strip())

-    def _qemuServerCapabilitiesCallback(self, result, error=None, *args, **kwargs):
-        """
-        Check if the server supports KVM or not
-        """
-
-        if self._appliance["registry_version"] >= 8:
-            qemu_platform = self._appliance.template_properties()["platform"]
-        else:
-            qemu_platform = self._appliance.template_properties()["arch"]
-        if error is None and "kvm" in result and qemu_platform in result["kvm"]:
-            self._server_check = True
-        else:
-            if error:
-                msg = result["message"]
-            else:
-                msg = "The selected server does not support KVM. A Linux server or the GNS3 VM running in VMware is required."
-            QtWidgets.QMessageBox.critical(self, "KVM support", msg)
-            self._server_check = False
-
    def _uiServerWizardPage_isComplete(self):
-        return self.uiRemoteRadioButton.isEnabled() or self.uiVMRadioButton.isEnabled() or self.uiLocalRadioButton.isEnabled()
+        return self.uiRemoteRadioButton.isEnabled() or self.uiLocalRadioButton.isEnabled()

    def _imageUploadedCallback(self, result, error=False, context=None, **kwargs):
        if context is None:
@@ -257,7 +212,7 @@ Usage: {}
            log.error("Error while uploading image '{}': {}".format(image_path, result["message"]))
        else:
            log.info("Image '{}' has been successfully uploaded".format(image_path))
-            self._registry.getRemoteImageList(self._appliance.template_type(), self._compute_id)
+            self._registry.getRemoteImageList()

    def _showApplianceInfoSlot(self):
        """
@@ -368,13 +323,13 @@ Usage: {}

                size += image.get("filesize", 0)
                image_widget = QtWidgets.QTreeWidgetItem([image["filename"],
-                                                          human_filesize(image.get("filesize", 0)),
+                                                          human_size(image.get("filesize", 0)),
                                                          image["status"]])
                if image["status"] == "Missing":
                    image_widget.setForeground(2, QtGui.QBrush(QtGui.QColor("red")))
                else:
                    image_widget.setForeground(2, QtGui.QBrush(QtGui.QColor("green")))
-                    image_widget.setToolTip(2, image["path"])
+                    image_widget.setToolTip(0, f'{image["status"]} with path: {image["path"]}')

                # Associated data stored are col 0: version, col 1: image
                image_widget.setData(0, QtCore.Qt.UserRole, version)
@@ -393,7 +348,7 @@ Usage: {}
                expand = False
                top.setForeground(2, QtGui.QBrush(QtGui.QColor("green")))

-            top.setData(1, QtCore.Qt.DisplayRole, human_filesize(size))
+            top.setData(1, QtCore.Qt.DisplayRole, human_size(size))
            top.setData(2, QtCore.Qt.DisplayRole, status)
            top.setData(0, QtCore.Qt.UserRole, version)
            top.setData(2, QtCore.Qt.UserRole, self._appliance)
@@ -428,11 +383,13 @@ Usage: {}

        for version in self._appliance["versions"]:
            for image in version["images"].values():
-                img = self._registry.search_image_file(self._appliance.template_type(),
-                                                       image["filename"],
-                                                       image.get("md5sum"),
-                                                       image.get("filesize"),
-                                                       strict_md5_check=not self.allowCustomFiles.isChecked())
+                img = self._registry.search_image_file(
+                    self._appliance.template_type(),
+                    image["filename"],
+                    image.get("md5sum"),
+                    image.get("filesize"),
+                    strict_md5_check=not self.allowCustomFiles.isChecked()
+                )
                if img:
                    if img.location == "local":
                        image["status"] = "Found locally"
@@ -562,36 +519,14 @@ Usage: {}
            QtWidgets.QMessageBox.warning(self.parent(), "Add appliance", "Can't access to the image file {}: {}.".format(path, str(e)))
            return

-        image_upload_manger = ImageUploadManager(image, Controller.instance(), self._compute_id, self._imageUploadedCallback, LocalConfig.instance().directFileUpload())
+        image_upload_manger = ImageUploadManager(image, Controller.instance(), self.parent())
        image_upload_manger.upload()

-    def _getQemuBinariesFromServerCallback(self, result, error=False, **kwargs):
-        """
-        Callback for getQemuBinariesFromServer.
-
-        :param result: server response
-        :param error: indicates an error (boolean)
-        """
-
-        if error:
-            QtWidgets.QMessageBox.critical(self, "Qemu binaries", "{}".format(result["message"]))
+        # refresh the images list
+        if Controller.instance().isRemote() or self._compute_id != "local":
+            self._registry.getRemoteImageList()
        else:
-            self.uiQemuListComboBox.clear()
-            for qemu in result:
-                if qemu["version"]:
-                    self.uiQemuListComboBox.addItem("{path} (v{version})".format(path=qemu["path"], version=qemu["version"]), qemu["path"])
-                else:
-                    self.uiQemuListComboBox.addItem("{path}".format(path=qemu["path"]), qemu["path"])
-            if self.uiQemuListComboBox.count() == 1:
-                self.next()
-            else:
-                if self._appliance["registry_version"] >= 8:
-                    qemu_platform = self._appliance.template_properties()["platform"]
-                else:
-                    qemu_platform = self._appliance.template_properties()["arch"]
-                i = self.uiQemuListComboBox.findData(qemu_platform, flags=QtCore.Qt.MatchEndsWith)
-                if i != -1:
-                    self.uiQemuListComboBox.setCurrentIndex(i)
+            self.images_changed_signal.emit()

    def _install(self, version):
        """
@@ -620,33 +555,10 @@ Usage: {}
                return False
            appliance_configuration["name"] = appliance_configuration["name"].strip()

-        if self._appliance["registry_version"] >= 8:
-            if "settings" in appliance_configuration:
-                for settings in appliance_configuration["settings"]:
-                    if settings["template_type"] == "qemu":
-                        settings["template_properties"]["path"] = self.uiQemuListComboBox.currentData()
-        elif "qemu" in appliance_configuration:
-            appliance_configuration["qemu"]["path"] = self.uiQemuListComboBox.currentData()
-
        new_template = ApplianceToTemplate().new_template(appliance_configuration, self._compute_id, version, self._symbols, parent=self)
        TemplateManager.instance().createTemplate(Template(new_template), callback=self._templateCreatedCallback)
        return False

-        #worker = WaitForLambdaWorker(lambda: self._create_template(appliance_configuration, self._compute_id), allowed_exceptions=[ConfigException, OSError])
-        #progress_dialog = ProgressDialog(worker, "Add template", "Installing a new template...", None, busy=True, parent=self)
-        #progress_dialog.show()
-        #if progress_dialog.exec_():
-        #    QtWidgets.QMessageBox.information(self.parent(), "Add template", "{} template has been installed!".format(appliance_configuration["name"]))
-        #    return True
-        #return False
-
-        # worker = WaitForLambdaWorker(lambda: config.save(), allowed_exceptions=[ConfigException, OSError])
-        # progress_dialog = ProgressDialog(worker, "Add appliance", "Install the appliance...", None, busy=True, parent=self)
-        # progress_dialog.show()
-        # if progress_dialog.exec_():
-        #     QtWidgets.QMessageBox.information(self.parent(), "Add appliance", "{} installed!".format(appliance_configuration["name"]))
-        #     return True
-
    def _templateCreatedCallback(self, result, error=False, **kwargs):

        if error is True:
@@ -666,37 +578,24 @@ Usage: {}
            appliance_configuration = self._appliance.search_images_for_version(version)
        except ApplianceError as e:
            QtWidgets.QMessageBox.critical(self, "Appliance","Cannot install {} version {}: {}".format(name, version, e))
-            return
+            return False
        for image in appliance_configuration["images"]:
            if image["location"] == "local":
                if not Controller.instance().isRemote() and self._compute_id == "local" and image["path"].startswith(ImageManager.instance().getDirectory()):
                    log.debug("{} is already on the local server".format(image["path"]))
-                    return
+                    return True
                image = Image(self._appliance.template_type(), image["path"], filename=image["filename"])
-                image_upload_manager = ImageUploadManager(image, Controller.instance(), self._compute_id, self._applianceImageUploadedCallback, LocalConfig.instance().directFileUpload())
-                image_upload_manager.upload()
-                self._image_uploading_count += 1
-
-    def _applianceImageUploadedCallback(self, result, error=False, context=None, **kwargs):
-        if context is None:
-            context = {}
-        image_path = context.get("image_path", "unknown")
-        if error:
-            log.error("Error while uploading image '{}': {}".format(image_path, result["message"]))
-        else:
-            log.info("Image '{}' has been successfully uploaded".format(image_path))
-            self._image_uploading_count -= 1
+                image_upload_manager = ImageUploadManager(image, Controller.instance(), self.parent())
+                if not image_upload_manager.upload():
+                    return False
+        return True

    def nextId(self):
        if self.currentPage() == self.uiServerWizardPage:
            if self._appliance.template_type() == "docker":
                # skip Qemu binary selection and files pages if this is a Docker appliance
-                return super().nextId() + 3
-            elif self._appliance.template_type() != "qemu":
-                # skip the Qemu binary selection page if not a Qemu appliance
-                return super().nextId() + 1
-        if self.currentPage() == self.uiQemuWizardPage:
-            if not self._appliance.get("installation_instructions"):
+                return super().nextId() + 2
+            elif not self._appliance.get("installation_instructions"):
                # skip the installation instructions page if there are no instructions
                return super().nextId() + 1
        return super().nextId()
@@ -728,7 +627,7 @@ Usage: {}
            if reply == QtWidgets.QMessageBox.No:
                return False

-            self._uploadImages(appliance["name"], version["name"])
+            return self._uploadImages(appliance["name"], version["name"])

        elif self.currentPage() == self.uiUsageWizardPage:
            # validate the usage page
@@ -753,8 +652,6 @@ Usage: {}
                    QtWidgets.QMessageBox.critical(self, "Remote server", "There is no remote servers configured in your preferences")
                    return False
                self._compute_id = self.uiRemoteServersComboBox.itemData(self.uiRemoteServersComboBox.currentIndex()).id()
-            elif hasattr(self, "uiVMRadioButton") and self.uiVMRadioButton.isChecked():
-                self._compute_id = "vm"
            else:
                if ComputeManager.instance().localPlatform():
                    if (ComputeManager.instance().localPlatform().startswith("darwin") or ComputeManager.instance().localPlatform().startswith("win")):
@@ -764,28 +661,8 @@ Usage: {}
                                return False
                self._compute_id = "local"

-        elif self.currentPage() == self.uiQemuWizardPage:
-            # validate the Qemu
-            if self._server_check is False:
-                QtWidgets.QMessageBox.critical(self, "Checking for KVM support", "Please wait for the server to reply...")
-                return False
-            if self.uiQemuListComboBox.currentIndex() == -1:
-                QtWidgets.QMessageBox.critical(self, "Qemu binary", "No compatible Qemu binary selected")
-                return False
        return True

-    @qslot
-    def _vmToggledSlot(self, checked):
-        """
-        Slot for when the VM radio button is toggled.
-
-        :param checked: either the button is checked or not
-        """
-
-        if checked:
-            self.uiRemoteServersGroupBox.setEnabled(False)
-            self.uiRemoteServersGroupBox.hide()
-
    @qslot
    def _remoteServerToggledSlot(self, checked):
        """
--- a/gns3/dialogs/doctor_dialog.py
+++ b/gns3/dialogs/doctor_dialog.py
@@ -15,11 +15,11 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.

+import sys
 import psutil
 import platform
 import os
 import stat
-import sys
 import struct

 from gns3.qt import QtWidgets
@@ -92,19 +92,6 @@ class DoctorDialog(QtWidgets.QDialog, Ui_DoctorDialog):
            return (1, "Experimental features are enabled. Turn them off by going to Preferences -> General -> Miscellaneous.")
        return (0, None)

-    def checkAVGInstalled(self):
-        """Checking if AVG software is not installed"""
-
-        if sys.platform.startswith("win32"):
-            for proc in psutil.process_iter():
-                try:
-                    psinfo = proc.as_dict(["exe"])
-                    if psinfo["exe"] and "AVG\\" in psinfo["exe"]:
-                        return (2, "AVG has known issues with GNS3, even after you disable it. You must whitelist dynamips.exe in the AVG preferences.")
-                except psutil.NoSuchProcess:
-                    pass
-        return (0, None)
-
    def checkFreeRam(self):
        """Checking for amount of free virtual memory"""

@@ -186,39 +173,9 @@ class DoctorDialog(QtWidgets.QDialog, Ui_DoctorDialog):
            pass
        return (0, None)

-    def _checkWindowsService(self, service_name):
-
-        import pywintypes
-        import win32service
-        import win32serviceutil
-
-        try:
-            if win32serviceutil.QueryServiceStatus(service_name, None)[1] != win32service.SERVICE_RUNNING:
-                return False
-        except pywintypes.error as e:
-            if e.winerror == 1060:
-                return False
-            else:
-                raise
-        return True
-
-    def checkRPFServiceIsRunning(self):
-        """Check if the RPF service is running (required to use Ethernet NIOs)"""
-
-        if not sys.platform.startswith("win"):
-            return (0, None)
-
-        import pywintypes
-        try:
-            if not self._checkWindowsService("npf") and not self._checkWindowsService("npcap"):
-                return (2, "The NPF or NPCAP service is not installed, please install Winpcap or Npcap and reboot")
-        except pywintypes.error as e:
-            return (2, "Could not check if the NPF or Npcap service is running: {}".format(e.strerror))
-
-        return (0, None)

 if __name__ == '__main__':
-    import sys
+
    app = QtWidgets.QApplication(sys.argv)
    main = QtWidgets.QMainWindow()
    dialog = DoctorDialog(main, console=True)
--- a/gns3/dialogs/edit_compute_dialog.py
+++ b/gns3/dialogs/edit_compute_dialog.py
@@ -34,42 +34,15 @@ class EditComputeDialog(QtWidgets.QDialog, Ui_EditComputeDialog):

        super().__init__(parent)
        self.setupUi(self)
-        self.uiEnableAuthenticationCheckBox.toggled.connect(self._enableAuthenticationSlot)
        self._compute = compute
+
        if self._compute:
            self.uiServerNameLineEdit.setText(self._compute.name())
            self.uiServerHostLineEdit.setText(self._compute.host())
            self.uiServerPortSpinBox.setValue(self._compute.port())
-
            index = self.uiServerProtocolComboBox.findText(self._compute.protocol().upper())
            self.uiServerProtocolComboBox.setCurrentIndex(index)
-
-            if self._compute.user():
-                self.uiEnableAuthenticationCheckBox.setChecked(True)
-                self.uiServerUserLineEdit.setText(self._compute.user())
-            else:
-                self.uiEnableAuthenticationCheckBox.setChecked(False)
-                self.uiWarningLabel.setVisible(False)
-        else:
-            self.uiEnableAuthenticationCheckBox.setChecked(False)
-            self.uiWarningLabel.setVisible(False)
-        self._enableAuthenticationSlot(self.uiEnableAuthenticationCheckBox.isChecked())
-
-    def _enableAuthenticationSlot(self, state):
-        """
-        Slot to enable or not the authentication.
-        """
-
-        if self.uiEnableAuthenticationCheckBox.isChecked():
-            self.uiServerUserLineEdit.setVisible(True)
-            self.uiServerPasswordLineEdit.setVisible(True)
-            self.uiServerUserLabel.setVisible(True)
-            self.uiServerPasswordLabel.setVisible(True)
-        else:
-            self.uiServerUserLineEdit.setVisible(False)
-            self.uiServerPasswordLineEdit.setVisible(False)
-            self.uiServerUserLabel.setVisible(False)
-            self.uiServerPasswordLabel.setVisible(False)
+            self.uiServerUserLineEdit.setText(self._compute.user())

    def compute(self):
        return self._compute
@@ -87,16 +60,16 @@ class EditComputeDialog(QtWidgets.QDialog, Ui_EditComputeDialog):
        password = self.uiServerPasswordLineEdit.text().strip()

        if not re.match(r"^[a-zA-Z0-9\.{}-]+$".format("\u0370-\u1CDF\u2C00-\u30FF\u4E00-\u9FBF"), host):
-            QtWidgets.QMessageBox.critical(self, "Remote compute", "Invalid remote server hostname {}".format(host))
+            QtWidgets.QMessageBox.critical(self, "Remote compute", "Invalid compute hostname {}".format(host))
            return
        if name == "gns3vm":
            QtWidgets.QMessageBox.critical(self, "Remote compute", "{} is a reserved name".format(name))
            return
        if len(name) == 0:
-            QtWidgets.QMessageBox.critical(self, "Remote compute", "Invalid remote server name {}".format(name))
+            QtWidgets.QMessageBox.critical(self, "Remote compute", "Invalid compute name {}".format(name))
            return
        if port is None or port < 1:
-            QtWidgets.QMessageBox.critical(self, "Remote compute", "Invalid remote server port {}".format(port))
+            QtWidgets.QMessageBox.critical(self, "Remote compute", "Invalid compute port {}".format(port))
            return

        if not self._compute:
@@ -105,12 +78,8 @@ class EditComputeDialog(QtWidgets.QDialog, Ui_EditComputeDialog):
        self._compute.setProtocol(protocol)
        self._compute.setHost(host)
        self._compute.setPort(port)
-        if self.uiEnableAuthenticationCheckBox.isChecked():
-            self._compute.setUser(user)
-            self._compute.setPassword(password)
-        else:
-            self._compute.setUser(None)
-            self._compute.setPassword(None)
+        self._compute.setUser(user)
+        self._compute.setPassword(password)

        super().accept()

--- a/gns3/dialogs/edit_project_dialog.py
+++ b/gns3/dialogs/edit_project_dialog.py
@@ -15,7 +15,9 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.

-from ..qt import QtWidgets, QtCore, qslot, qpartial
+from gns3.utils import parse_version
+
+from ..qt import QtGui, QtWidgets, QtCore, qslot, qpartial
 from ..topology import Topology
 from ..ui.edit_project_dialog_ui import Ui_EditProjectDialog

@@ -46,11 +48,39 @@ class EditProjectDialog(QtWidgets.QDialog, Ui_EditProjectDialog):
        self.uiNewVarButton.clicked.connect(self.onAddNewVariable)
        self.uiGlobalVariablesGrid.addWidget(self.uiNewVarButton, 0, 3, QtCore.Qt.AlignRight)

+        self._readme_filename = "README.txt"
+        self.uiTabWidget.currentChanged.connect(self._previewMarkdownSlot)
+        self._loadReadme()
        self._variables = self._project.variables()
        if not self._variables:
            self._variables = [{"name": "", "value": ""}]
        self.updateGlobalVariables()

+    def _loadReadme(self):
+
+        self._project.get("/files/{}".format(self._readme_filename), self._loadedReadme, raw=True)
+
+    def _loadedReadme(self, result, error=False, context={}, **kwargs):
+
+        if not error:
+            content = result.decode("utf-8", errors="replace")
+            self.uiReadmeTextEdit.setPlainText(content)
+
+    def _previewMarkdownSlot(self, index):
+
+        # index 1 is preview tab
+        if index == 1:
+
+            # QTextDocument before Qt version 5.14 doesn't support Markdown
+            if parse_version(QtCore.QT_VERSION_STR) < parse_version("5.14.0") or parse_version(QtCore.PYQT_VERSION_STR) < parse_version("5.14.0"):
+                QtWidgets.QMessageBox.critical(self, "Markdown preview", "Markdown preview is only support with Qt version 5.14.0 or above")
+                return
+
+            # show Markdown preview
+            document = QtGui.QTextDocument()
+            self.uiReadmePreview.setDocument(document)
+            document.setMarkdown(self.uiReadmeTextEdit.toPlainText())
+
    def updateGlobalVariables(self):
        while True:
            item = self.uiGlobalVariablesGrid.takeAt(1)
@@ -115,4 +145,12 @@ class EditProjectDialog(QtWidgets.QDialog, Ui_EditProjectDialog):
                self._project.setSceneWidth(self.uiSceneWidthSpinBox.value())
                self._project.setVariables(self._cleanVariables())
                self._project.update()
+                content = self.uiReadmeTextEdit.toPlainText()
+                if content:
+                    self._project.post("/files/{}".format(self._readme_filename), self._saveReadmeCallback, body=content)
        super().done(result)
+
+    def _saveReadmeCallback(self, result, error=False, **kwargs):
+
+        if error:
+            QtWidgets.QMessageBox.critical(self, "Edit project", "Could not created readme file")
--- a/gns3/dialogs/file_editor_dialog.py
+++ b/gns3/dialogs/file_editor_dialog.py
@@ -64,9 +64,10 @@ class FileEditorDialog(QtWidgets.QDialog, Ui_FileEditorDialog):
    def _refreshSlot(self):
        self._target.get("/files/" + self._path, self._getCallback)

-    def _getCallback(self, result, error=False, raw_body=None, **kwargs):
+    def _getCallback(self, result, error=False, **kwargs):
+
        if not error:
-            self.uiFileTextEdit.setText(raw_body.decode("utf-8", errors="ignore"))
+            self.uiFileTextEdit.setText(result)
        elif result.get("status") == 404:
            if self._default:
                self.uiFileTextEdit.setText(self._default)
--- a/gns3/dialogs/image_dialog.py
+++ b/gns3/dialogs/image_dialog.py
@@ -0,0 +1,256 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2022 GNS3 Technologies Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import os
+import pathlib
+from gns3.http_client_error import HttpClientError, HttpClientCancelledRequestError
+from ..qt import QtCore, QtGui, QtWidgets, qslot, sip_is_deleted
+from ..ui.image_dialog_ui import Ui_ImageDialog
+from ..utils import human_size
+from ..controller import Controller
+
+
+import logging
+log = logging.getLogger(__name__)
+
+
+class ImageDialog(QtWidgets.QDialog, Ui_ImageDialog):
+    """
+    Image management dialog.
+    """
+
+    def __init__(self, parent):
+        """
+        :param parent: parent widget.
+        """
+        super().__init__(parent)
+        self.setupUi(self)
+        self.uiUploadImagePushButton.clicked.connect(self._uploadImageSlot)
+        self.uiDeleteImagePushButton.clicked.connect(self._deleteImageSlot)
+        self.uiInstallAllPushButton.clicked.connect(self._installAllSlot)
+        self.uiPruneImagesPushButton.clicked.connect(self._pruneImagesSlot)
+        self.uiRefreshImagesPushButton.clicked.connect(Controller.instance().refreshImageList)
+        Controller.instance().image_list_updated_signal.connect(self._updateImageListSlot)
+        self._updateImageListSlot()
+        Controller.instance().refreshImageList()
+
+    @qslot
+    def _uploadImageSlot(self, *args):
+
+        files, _ = QtWidgets.QFileDialog.getOpenFileNames(
+            self,
+            "Select one or more images to upload",
+            QtCore.QStandardPaths.writableLocation(QtCore.QStandardPaths.DownloadLocation),
+            "Images (*.bin *.image *.iol *.qcow2 *.vmdk *.iso x86_64* i86bi*);;All files (*)"
+        )
+        error_msgs = ""
+        for path in files:
+            image_filename = os.path.basename(path)
+            install_appliances = self.uiInstallApplianceCheckBox.isChecked()
+            log.info("Uploading image '{}' to controller".format(image_filename))
+            try:
+                Controller.instance().post(
+                    f"/images/upload/{image_filename}",
+                    params={"install_appliances": install_appliances},
+                    body=pathlib.Path(path),
+                    context={"image_path": path},
+                    progress_text="Uploading {}".format(image_filename),
+                    timeout=None,
+                    wait=True
+                )
+            except HttpClientCancelledRequestError:
+                return
+            except HttpClientError as e:
+                error_msgs += f"{e}\n"
+
+        if error_msgs:
+            error_dialog = QtWidgets.QMessageBox(self)
+            error_dialog.setWindowModality(QtCore.Qt.ApplicationModal)
+            error_dialog.setWindowTitle("Image upload")
+            error_dialog.setText(f"Error while uploading images to the controller")
+            error_dialog.setDetailedText(error_msgs)
+            error_dialog.setIcon(QtWidgets.QMessageBox.Critical)
+            error_dialog.show()
+
+        Controller.instance().refreshImageList()
+
+    @qslot
+    def _deleteImageSlot(self, *args):
+
+        if len(self.uiImagesTreeWidget.selectedItems()) == 0:
+            QtWidgets.QMessageBox.critical(self, "Delete image", "No images selected")
+            return
+
+        reply = QtWidgets.QMessageBox.warning(
+            self,
+            "Delete image(s)",
+            "Delete the selected images?\nThis cannot be reverted.",
+            QtWidgets.QMessageBox.Yes,
+            QtWidgets.QMessageBox.No
+        )
+
+        if reply == QtWidgets.QMessageBox.No:
+            return
+
+        images_to_delete = set()
+        for image in self.uiImagesTreeWidget.selectedItems():
+            if sip_is_deleted(image):
+                continue
+            image_filename = image.data(0, QtCore.Qt.UserRole)
+            images_to_delete.add(image_filename)
+
+        error_msgs = ""
+        for image_filename in images_to_delete:
+            try:
+                Controller.instance().delete(
+                    f"/images/{image_filename}",
+                    progress_text=f"Deleting {image_filename}",
+                    timeout=None,
+                    wait=True
+                )
+            except HttpClientCancelledRequestError:
+                return
+            except HttpClientError as e:
+                error_msgs += f"{e}\n"
+
+        if error_msgs:
+            error_dialog = QtWidgets.QMessageBox(self)
+            error_dialog.setWindowModality(QtCore.Qt.ApplicationModal)
+            error_dialog.setWindowTitle("Image deletion")
+            error_dialog.setText(f"Error while deleting images on the controller")
+            error_dialog.setDetailedText(error_msgs)
+            error_dialog.setIcon(QtWidgets.QMessageBox.Critical)
+            error_dialog.show()
+
+        Controller.instance().refreshImageList()
+
+    def _installAllSlot(self, *args):
+
+        reply = QtWidgets.QMessageBox.warning(
+            self,
+            "Install appliance(s)",
+            "This will attempt to automatically create templates based on image checksums.\nContinue?",
+            QtWidgets.QMessageBox.Yes,
+            QtWidgets.QMessageBox.No
+        )
+
+        if reply == QtWidgets.QMessageBox.No:
+            return
+
+        Controller.instance().post(
+            f"/images/install",
+            progress_text=f"Installing appliances",
+            timeout=None,
+            wait=True
+        )
+
+    @qslot
+    def _pruneImagesSlot(self, *args):
+
+        reply = QtWidgets.QMessageBox.warning(
+            self,
+            "Prune image(s)",
+            "Delete all images not used by a template?\nThis cannot be reverted.",
+            QtWidgets.QMessageBox.Yes,
+            QtWidgets.QMessageBox.No
+        )
+
+        if reply == QtWidgets.QMessageBox.No:
+            return
+
+        error_msgs = ""
+        try:
+            Controller.instance().delete(
+                f"/images/prune",
+                progress_text=f"Pruning images",
+                timeout=None,
+                wait=True
+            )
+        except HttpClientCancelledRequestError:
+            return
+        except HttpClientError as e:
+            error_msgs += f"{e}\n"
+
+        if error_msgs:
+            error_dialog = QtWidgets.QMessageBox(self)
+            error_dialog.setWindowModality(QtCore.Qt.ApplicationModal)
+            error_dialog.setWindowTitle("Image pruning")
+            error_dialog.setText(f"Error while deleting images on the controller")
+            error_dialog.setDetailedText(error_msgs)
+            error_dialog.setIcon(QtWidgets.QMessageBox.Critical)
+            error_dialog.show()
+
+        Controller.instance().refreshImageList()
+
+    @qslot
+    def _updateImageListSlot(self, *args):
+
+        self.uiImagesTreeWidget.clear()
+        self.uiDeleteImagePushButton.setEnabled(False)
+        self.uiImagesTreeWidget.setUpdatesEnabled(False)
+        items = []
+        for image in Controller.instance().images():
+            item = QtWidgets.QTreeWidgetItem([image["filename"], image["image_type"], human_size(image["image_size"])])
+            item.setData(0, QtCore.Qt.UserRole, image["filename"])
+            item.setToolTip(0, f'{image["filename"]} {image["checksum"]}')
+            items.append(item)
+
+        self.uiImagesTreeWidget.addTopLevelItems(items)
+        if len(Controller.instance().images()):
+            self.uiDeleteImagePushButton.setEnabled(True)
+
+        self.uiImagesTreeWidget.header().setResizeContentsPrecision(100)  # How many rows are checked for the resize for performance reason
+        self.uiImagesTreeWidget.resizeColumnToContents(0)
+        self.uiImagesTreeWidget.resizeColumnToContents(1)
+        self.uiImagesTreeWidget.resizeColumnToContents(2)
+        self.uiImagesTreeWidget.sortItems(0, QtCore.Qt.AscendingOrder)
+        self.uiImagesTreeWidget.setUpdatesEnabled(True)
+
+    def contextMenuEvent(self, event):
+        """
+        Handles all context menu events.
+
+        :param event: QContextMenuEvent instance
+        """
+
+        items = self.uiImagesTreeWidget.selectedItems()
+        if items:
+            menu = QtWidgets.QMenu()
+            copy = QtWidgets.QAction("&Copy image information to clipboard", menu)
+            copy.triggered.connect(self._copyToClipboardSlot)
+            menu.addAction(copy)
+            menu.exec_(event.globalPos())
+
+    def _copyToClipboardSlot(self):
+        """
+        Copies the selected image tooltip to the clipboard.
+        """
+
+        items = self.uiImagesTreeWidget.selectedItems()
+        if items:
+            QtWidgets.QApplication.clipboard().setText(items[0].toolTip(0))
+            log.info(f"'{items[0].toolTip(0)}' copied to clipboard")
+
+    def keyPressEvent(self, e):
+        """
+        Event handler in order to properly handle escape.
+        """
+
+        if e.key() == QtCore.Qt.Key_Escape:
+            self.close()
+        elif e.matches(QtGui.QKeySequence.Copy):
+            self._copyToClipboardSlot()
--- a/gns3/dialogs/login_dialog.py
+++ b/gns3/dialogs/login_dialog.py
@@ -0,0 +1,60 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2021 GNS3 Technologies Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from ..qt import QtWidgets
+from ..ui.login_dialog_ui import Ui_LoginDialog
+
+
+import logging
+log = logging.getLogger(__name__)
+
+
+class LoginDialog(QtWidgets.QDialog, Ui_LoginDialog):
+
+    """
+    Login dialog.
+    """
+
+    def __init__(self, parent):
+        """
+        :param parent: parent widget.
+        """
+
+        super().__init__(parent)
+        self.setupUi(self)
+        self._parent = parent
+        self._username = None
+        self._password = None
+
+    def getUsername(self):
+
+        return self._username
+
+    def setUsername(self, username):
+
+        self.uiUsernameLineEdit.setText(username)
+
+    def getPassword(self):
+
+        return self._password
+
+    def done(self, result):
+
+        if result:
+            self._username = self.uiUsernameLineEdit.text()
+            self._password = self.uiPasswordLineEdit.text()
+        super().done(result)
--- a/gns3/dialogs/password_dialog.py
+++ b/gns3/dialogs/password_dialog.py
@@ -0,0 +1,85 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2025 GNS3 Technologies Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import re
+from ..qt import QtCore, QtGui, QtWidgets
+from ..ui.password_dialog_ui import Ui_PasswordDialog
+
+
+import logging
+log = logging.getLogger(__name__)
+
+
+class PasswordDialog(QtWidgets.QDialog, Ui_PasswordDialog):
+
+    """
+    Password dialog.
+    """
+
+    def __init__(self, parent):
+        """
+        :param parent: parent widget.
+        """
+
+        super().__init__(parent)
+        self.setupUi(self)
+        self._password = None
+
+        self._eye_on_icon = QtGui.QIcon(':/icons/eye-on.svg')
+        self._eye_off_icon = QtGui.QIcon(':/icons/eye-off.svg')
+        for line_edit in [self.uiPasswordLineEdit, self.uiConfirmPasswordLineEdit]:
+            action = line_edit.addAction(self._eye_on_icon, QtWidgets.QLineEdit.TrailingPosition)
+            button = action.associatedWidgets()[-1]
+            button.setCursor(QtGui.QCursor(QtCore.Qt.PointingHandCursor))
+            button.pressed.connect(self.onPressedSlot)
+            #button.released.connect(self.onReleasedSlot)
+
+    def onPressedSlot(self):
+
+        button = self.sender()
+        line_edit = button.parent()
+        if line_edit.echoMode() == QtWidgets.QLineEdit.Password:
+            button.setIcon(self._eye_off_icon)
+            line_edit.setEchoMode(QtWidgets.QLineEdit.Normal)
+        else:
+            button.setIcon(self._eye_on_icon)
+            line_edit.setEchoMode(QtWidgets.QLineEdit.Password)
+
+    # def onReleasedSlot(self):
+    #
+    #     button = self.sender()
+    #     button.setIcon(self._eye_on_icon)
+    #     button.parent().setEchoMode(QtWidgets.QLineEdit.Password)
+
+    def getPassword(self):
+
+        return self._password
+
+    def done(self, result):
+
+        if result:
+            new_password = self.uiPasswordLineEdit.text()
+            confirm_password = self.uiConfirmPasswordLineEdit.text()
+            if new_password != confirm_password:
+                QtWidgets.QMessageBox.critical(self, "Error", "Passwords do not match.")
+                return
+            pattern = re.compile(r'^(?=.*\d)(?=.*[a-z])(?=.*[A-Z]).{8,}$')
+            if not pattern.match(new_password):
+                QtWidgets.QMessageBox.critical(self, "Error", "Password must be at least 8 characters long and contain at least one digit, one lowercase letter and one uppercase letter.")
+                return
+            self._password = new_password
+        super().done(result)
--- a/gns3/dialogs/preferences_dialog.py
+++ b/gns3/dialogs/preferences_dialog.py
@@ -21,9 +21,10 @@ Dialog to load module and built-in preference pages.

 from ..qt import QtCore, QtWidgets
 from ..ui.preferences_dialog_ui import Ui_PreferencesDialog
-from ..pages.server_preferences_page import ServerPreferencesPage
+from ..pages.controller_preferences_page import ControllerPreferencesPage
 from ..pages.general_preferences_page import GeneralPreferencesPage
 from ..pages.packet_capture_preferences_page import PacketCapturePreferencesPage
+from ..pages.user_preferences_page import UserPreferencesPage
 from ..pages.gns3_vm_preferences_page import GNS3VMPreferencesPage
 from ..modules import MODULES

@@ -84,9 +85,10 @@ class PreferencesDialog(QtWidgets.QDialog, Ui_PreferencesDialog):
        # load built-in preference pages
        pages = [
            GeneralPreferencesPage,
-            ServerPreferencesPage,
-            GNS3VMPreferencesPage,
-            PacketCapturePreferencesPage,
+            ControllerPreferencesPage,
+            UserPreferencesPage,
+            #GNS3VMPreferencesPage,
+            PacketCapturePreferencesPage
        ]

        for page in pages:
--- a/gns3/dialogs/project_dialog.py
+++ b/gns3/dialogs/project_dialog.py
@@ -139,18 +139,24 @@ class ProjectDialog(QtWidgets.QDialog, Ui_ProjectDialog):
                reset_mac_addresses = self.uiResetMacAddressesCheckBox.isChecked()

                if Controller.instance().isRemote():
-                    Controller.instance().post("/projects/{project_id}/duplicate".format(project_id=project_id),
-                                               self._duplicateCallback,
-                                               body={"name": name, "reset_mac_addresses": reset_mac_addresses},
-                                               progressText="Duplicating project '{}'...".format(name),
-                                               timeout=None)
+                    Controller.instance().post(
+                        "/projects/{project_id}/duplicate".format(project_id=project_id),
+                        self._duplicateCallback,
+                        body={"name": name, "reset_mac_addresses": reset_mac_addresses},
+                        progress_text="Duplicating project '{}'...".format(name),
+                        timeout=None,
+                        wait=True
+                    )
                else:
                    project_location = os.path.join(Topology.instance().projectsDirPath(), name)
-                    Controller.instance().post("/projects/{project_id}/duplicate".format(project_id=project_id),
-                                               self._duplicateCallback,
-                                               body={"name": name, "path": project_location, "reset_mac_addresses": reset_mac_addresses},
-                                               progressText="Duplicating project '{}'...".format(name),
-                                               timeout=None)
+                    Controller.instance().post(
+                        "/projects/{project_id}/duplicate".format(project_id=project_id),
+                        self._duplicateCallback,
+                        body={"name": name, "path": project_location, "reset_mac_addresses": reset_mac_addresses},
+                        progress_text="Duplicating project '{}'...".format(name),
+                        timeout=None,
+                        wait=True
+                    )

    def _duplicateCallback(self, result, error=False, **kwargs):
        if error:
--- a/gns3/dialogs/project_export_wizard.py
+++ b/gns3/dialogs/project_export_wizard.py
@@ -16,14 +16,13 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.

 import sys
-import os
 import datetime

-from gns3.qt import QtCore, QtWidgets
-from ..local_server import LocalServer
-from ..utils.progress_dialog import ProgressDialog
-from ..utils.export_project_worker import ExportProjectWorker
-from ..ui.export_project_wizard_ui import Ui_ExportProjectWizard
+from gns3.qt import QtCore, QtWidgets, QtGui
+from gns3.utils import parse_version
+from gns3.http_client_error import HttpClientError, HttpClientCancelledRequestError
+from gns3.local_server import LocalServer
+from gns3.ui.export_project_wizard_ui import Ui_ExportProjectWizard

 import logging
 log = logging.getLogger(__name__)
@@ -34,6 +33,8 @@ class ExportProjectWizard(QtWidgets.QWizard, Ui_ExportProjectWizard):
    Export project wizard.
    """

+    readme_signal = QtCore.pyqtSignal()
+
    def __init__(self, project, parent):

        super().__init__(parent)
@@ -50,24 +51,40 @@ class ExportProjectWizard(QtWidgets.QWizard, Ui_ExportProjectWizard):
        self.uiCompressionComboBox.addItem("Zip compression (deflate)", "zip")
        self.uiCompressionComboBox.addItem("Bzip2 compression", "bzip2")
        self.uiCompressionComboBox.addItem("Lzma compression", "lzma")
+        self.uiCompressionComboBox.addItem("Zstandard compression", "zstd")
+        self.uiCompressionComboBox.currentIndexChanged.connect(self._compressionChangedSlot)

-        # set zip compression by default
-        self.uiCompressionComboBox.setCurrentIndex(1)
+        # set zstd compression by default
+        self.uiCompressionComboBox.setCurrentIndex(4)
        self.helpRequested.connect(self._showHelpSlot)
        self.uiPathBrowserToolButton.clicked.connect(self._pathBrowserSlot)
+
+        # QTextDocument before Qt version 5.14 doesn't support Markdown
+        if parse_version(QtCore.QT_VERSION_STR) < parse_version("5.14.0") or parse_version(QtCore.PYQT_VERSION_STR) < parse_version("5.14.0"):
+            self._use_markdown = False
+        else:
+            self._use_markdown = True
+
+        self._readme_filename = "README.txt"
+        self.uiTabWidget.currentChanged.connect(self._previewMarkdownSlot)
        self._loadReadme()

    def _loadReadme(self):

-        self._project.get("/files/README.txt", self._loadedReadme)
+        self._project.get("/files/{}".format(self._readme_filename), self._loadedReadme, raw=True)

-    def _loadedReadme(self, result, error=False, raw_body=None, context={}, **kwargs):
+    def _loadedReadme(self, result, error=False, context={}, **kwargs):

        if not error:
-            self.uiReadmeTextEdit.setPlainText(raw_body.decode("utf-8", errors="replace"))
+            content = result.decode("utf-8", errors="replace")
+            self.uiReadmeTextEdit.setPlainText(content)
        else:
-            readme_text = "Project: '{}' created on {}\nAuthor: John Doe <john.doe@example.com>\n\nNo project description was given".format(self._project.name(), datetime.date.today())
-            self.uiReadmeTextEdit.setPlainText(readme_text)
+            if self._use_markdown:
+                readme_markdown = "# Project {}\n\nCreated on: {}\n\nAuthor: John Doe <john.doe@example.com>\n\n## Description\n\nNo project description was given".format(self._project.name(), datetime.date.today())
+                self.uiReadmeTextEdit.setPlainText(readme_markdown)
+            else:
+                readme_text = "Project: '{}' created on {}\nAuthor: John Doe <john.doe@example.com>\n\nNo project description was given".format(self._project.name(), datetime.date.today())
+                self.uiReadmeTextEdit.setPlainText(readme_text)

    def _pathBrowserSlot(self):

@@ -75,14 +92,28 @@ class ExportProjectWizard(QtWidgets.QWizard, Ui_ExportProjectWizard):
        if len(directory) == 0:
            directory = LocalServer.instance().localServerSettings()["projects_path"]

-        path, _ = QtWidgets.QFileDialog.getSaveFileName(self, "Export portable project", directory,
-                                                        "GNS3 Portable Project (*.gns3project *.gns3p)",
-                                                        "GNS3 Portable Project (*.gns3project *.gns3p)")
+        path, _ = QtWidgets.QFileDialog.getSaveFileName(self, "Export project", directory,
+                                                        "GNS3 Project (*.gns3project *.gns3p)",
+                                                        "GNS3 Project (*.gns3project *.gns3p)")
        if path is None or len(path) == 0:
            return

        self.uiPathLineEdit.setText(path)

+    def _previewMarkdownSlot(self, index):
+
+        # index 1 is preview tab
+        if index == 1:
+
+            if self._use_markdown is False:
+                QtWidgets.QMessageBox.critical(self, "Markdown preview", "Markdown preview is only support with Qt version 5.14.0 or above")
+                return
+
+            # show Markdown preview
+            document = QtGui.QTextDocument()
+            self.uiReadmePreviewEdit.setDocument(document)
+            document.setMarkdown(self.uiReadmeTextEdit.toPlainText())
+
    def _showHelpSlot(self):

        include_image_help = """Including base images means additional images will not be requested to
@@ -110,15 +141,39 @@ class ExportProjectWizard(QtWidgets.QWizard, Ui_ExportProjectWizard):
                QtWidgets.QMessageBox.critical(self, "Export project", "Cannot export project to '{}': {}".format(path, e))
                return False
            self._path = path
-        elif self.currentPage() == self.uiProjectReadmeWizardPage:
-            text = self.uiReadmeTextEdit.toPlainText().strip()
-            if text:
-                self._project.post("/files/README.txt", self._saveReadmeCallback, body=text)
        return True

    def _saveReadmeCallback(self, result, error=False, **kwargs):
        if error:
            QtWidgets.QMessageBox.critical(self, "Export project", "Could not created readme file")
+        self.readme_signal.emit()
+
+    def waitForReadme(self, signal, timeout=10000):
+
+        # inspired from https://www.jdreaver.com/posts/2014-07-03-waiting-for-signals-pyside-pyqt.html
+        loop = QtCore.QEventLoop()
+        signal.connect(loop.quit)
+        if timeout is not None:
+            QtCore.QTimer.singleShot(timeout, loop.quit)
+        loop.exec_()
+
+    def _compressionChangedSlot(self, index):
+        """
+        Set the default compression level.
+        """
+
+        compression = self.uiCompressionComboBox.itemData(index)
+        self.uiCompressionLevelSpinBox.setEnabled(True)
+        if compression == "zip":
+            self.uiCompressionLevelSpinBox.setValue(6)  # ZIP default compression level is 6
+        elif compression == "bzip2":
+            self.uiCompressionLevelSpinBox.setValue(9)  # BZIP2 default compression level is 9
+        elif compression == "zstd":
+            self.uiCompressionLevelSpinBox.setValue(3)  # ZSTD default compression level is 3
+        else:
+            # compression level is not supported
+            self.uiCompressionLevelSpinBox.setValue(0)
+            self.uiCompressionLevelSpinBox.setEnabled(False)

    def done(self, result):
        """
@@ -126,6 +181,11 @@ class ExportProjectWizard(QtWidgets.QWizard, Ui_ExportProjectWizard):
        """

        if result:
+
+            content = self.uiReadmeTextEdit.toPlainText()
+            if content:
+                self._project.post("/files/{}".format(self._readme_filename), self._saveReadmeCallback, body=content)
+
            include_images = include_snapshots = reset_mac_addresses = keep_compute_ids = "no"
            if self.uiIncludeImagesCheckBox.isChecked():
                include_images = "yes"
@@ -137,8 +197,46 @@ class ExportProjectWizard(QtWidgets.QWizard, Ui_ExportProjectWizard):
                keep_compute_ids = "yes"

            compression = self.uiCompressionComboBox.currentData()
-            export_worker = ExportProjectWorker(self._project, self._path, include_images, include_snapshots, reset_mac_addresses, keep_compute_ids, compression)
-            progress_dialog = ProgressDialog(export_worker, "Exporting project", "Exporting portable project files...", "Cancel", parent=self, create_thread=False)
-            progress_dialog.show()
-            progress_dialog.exec_()
+            self.waitForReadme(self.readme_signal)
+
+            params = {
+                "include_images": include_images,
+                "include_snapshots": include_snapshots,
+                "reset_mac_addresses": reset_mac_addresses,
+                "keep_compute_ids": keep_compute_ids,
+                "compression": compression
+            }
+
+            try:
+                self._project.get(
+                    "/export",
+                    callback=None,
+                    download_progress_callback=self._downloadFileProgress,
+                    progress_text="Exporting project files...",
+                    params=params,
+                    timeout=None,
+                    wait=True,
+                    raw=True
+                )
+            except HttpClientCancelledRequestError:
+                pass
+            except HttpClientError as e:
+                QtWidgets.QMessageBox.critical(
+                    self,
+                    "Project export",
+                    f"Could not export project: {e}"
+                )
+
        super().done(result)
+
+    def _downloadFileProgress(self, content, **kwargs):
+        """
+        Called for each part of the file
+        """
+
+        try:
+            with open(self._path, 'ab') as f:
+                f.write(content)
+        except OSError as e:
+            log.error(f"Could not write project file: {e}")
+            return
--- a/gns3/dialogs/project_welcome_dialog.py
+++ b/gns3/dialogs/project_welcome_dialog.py
@@ -61,11 +61,11 @@ class ProjectWelcomeDialog(QtWidgets.QDialog, Ui_ProjectWelcomeDialog):
            self.gridLayout.addWidget(valueEdit, i, 1)

    def _loadReadme(self):
-        self._project.get("/files/README.txt", self._loadedReadme)
+        self._project.get("/files/README.txt", self._loadedReadme, raw=True)

-    def _loadedReadme(self, result, error=False, raw_body=None, context={}, **kwargs):
+    def _loadedReadme(self, result, error=False, context={}, **kwargs):
        if not error:
-            self.label.setText(raw_body.decode("utf-8"))
+            self.label.setText(result.decode("utf-8"))

    def onValueChange(self, variable, text):
        variable["value"] = text
--- a/gns3/dialogs/setup_wizard.py
+++ b/gns3/dialogs/setup_wizard.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 #
-# Copyright (C) 2014 GNS3 Technologies Inc.
+# Copyright (C) 2021 GNS3 Technologies Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -19,14 +19,12 @@ import sys
 import os
 import shutil

-from gns3.qt import QtCore, QtWidgets, QtGui, QtNetwork, qslot
+from gns3.qt import QtCore, QtWidgets, QtNetwork
 from gns3.controller import Controller
 from gns3.local_server import LocalServer
-from gns3.utils.interfaces import interfaces

-from ..settings import DEFAULT_LOCAL_SERVER_HOST
+from ..settings import DEFAULT_CONTROLLER_HOST
 from ..ui.setup_wizard_ui import Ui_SetupWizard
-from ..version import __version__


 import logging
@@ -45,40 +43,17 @@ class SetupWizard(QtWidgets.QWizard, Ui_SetupWizard):
        self.setupUi(self)
        self.adjustSize()

-        self._gns3_vm_settings = {
-            "enable": True,
-            "headless": False,
-            "when_exit": "stop",
-            "engine": "vmware",
-            "allocate_vcpus_ram": True,
-            "vcpus": 1,
-            "ram": 2048,
-            "vmname": "GNS3 VM",
-            "port": 80
-        }
-
        self.setWizardStyle(QtWidgets.QWizard.ModernStyle)
        if sys.platform.startswith("darwin"):
            # we want to see the cancel button on OSX
            self.setOptions(QtWidgets.QWizard.NoDefaultButton)

        self.uiLocalServerToolButton.clicked.connect(self._localServerBrowserSlot)
-
-        self.uiGNS3VMDownloadLinkUrlLabel.setText("")
-        self.uiRefreshPushButton.clicked.connect(self._refreshVMListSlot)
-        self.uiVmwareRadioButton.clicked.connect(self._listVMwareVMsSlot)
-        self.uiVirtualBoxRadioButton.clicked.connect(self._listVirtualBoxVMsSlot)
        settings = parent.settings()
        self.uiShowCheckBox.setChecked(settings["hide_setup_wizard"])

-        # by default all radio buttons are unchecked
-        self.uiVmwareRadioButton.setAutoExclusive(False)
-        self.uiVirtualBoxRadioButton.setAutoExclusive(False)
-        self.uiVmwareRadioButton.setChecked(False)
-        self.uiVirtualBoxRadioButton.setChecked(False)
-
        # Mandatory fields
-        self.uiLocalServerWizardPage.registerField("path*", self.uiLocalServerPathLineEdit)
+        self.uiLocalControllerWizardPage.registerField("path*", self.uiLocalServerPathLineEdit)

        # load all available addresses
        for address in QtNetwork.QNetworkInterface.allAddresses():
@@ -95,11 +70,11 @@ class SetupWizard(QtWidgets.QWizard, Ui_SetupWizard):
        self.uiLocalServerHostComboBox.addItem("0.0.0.0", "0.0.0.0")  # all IPv4 addresses

        if sys.platform.startswith("linux"):
-            self.uiLocalRadioButton.setChecked(True)
-            self.uiLocalLabel.setText("Dependencies like Dynamips and Qemu must be manually installed")
-
-        Controller.instance().connected_signal.connect(self._refreshLocalServerStatusSlot)
-        Controller.instance().connection_failed_signal.connect(self._refreshLocalServerStatusSlot)
+            # only support local controller on Linux
+            self.uiLocalControllerRadioButton.setChecked(True)
+        else:
+            self.uiLocalControllerRadioButton.setEnabled(False)
+            self.uiRemoteControllerRadioButton.setChecked(True)

    def _localServerBrowserSlot(self):
        """
@@ -108,7 +83,7 @@ class SetupWizard(QtWidgets.QWizard, Ui_SetupWizard):

        filter = ""
        if sys.platform.startswith("win"):
-            filter = "Executable (*.exe);;All files (*.*)"
+            filter = "Executable (*.exe);;All files (*)"
        server_path = shutil.which("gns3server")
        path, _ = QtWidgets.QFileDialog.getOpenFileName(self, "Select the local server", server_path, filter)
        if not path:
@@ -116,36 +91,6 @@ class SetupWizard(QtWidgets.QWizard, Ui_SetupWizard):

        self.uiLocalServerPathLineEdit.setText(path)

-    def _listVMwareVMsSlot(self):
-        """
-        Slot to refresh the VMware VMs list.
-        """
-
-        download_url = "https://github.com/GNS3/gns3-gui/releases/download/v{version}/GNS3.VM.VMware.Workstation.{version}.zip".format(version=__version__)
-        self.uiGNS3VMDownloadLinkUrlLabel.setText('The GNS3 VM can <a href="{download_url}">downloaded here</a>.<br>Import the VM in your virtualization software and hit refresh.'.format(download_url=download_url))
-        self.uiVirtualBoxRadioButton.setChecked(False)
-        from gns3.modules import VMware
-        settings = VMware.instance().settings()
-        if not os.path.exists(settings["vmrun_path"]):
-            QtWidgets.QMessageBox.critical(self, "VMware", "VMware vmrun tool could not be found, VMware or the VIX API (required for VMware player) is probably not installed. You can download it from https://customerconnect.vmware.com/downloads/details?downloadGroup=PLAYER-1400-VIX1170&productId=687. After installation you need to restart GNS3.")
-            return
-        self._refreshVMListSlot()
-
-    def _listVirtualBoxVMsSlot(self):
-        """
-        Slot to refresh the VirtualBox VMs list.
-        """
-
-        download_url = "https://github.com/GNS3/gns3-gui/releases/download/v{version}/GNS3.VM.VirtualBox.{version}.zip".format(version=__version__)
-        self.uiGNS3VMDownloadLinkUrlLabel.setText('If you don\'t have the GNS3 Virtual Machine you can <a href="{download_url}">download it here</a>.<br>And import the VM in the virtualization software and hit refresh.'.format(download_url=download_url))
-        self.uiVmwareRadioButton.setChecked(False)
-        from gns3.modules import VirtualBox
-        settings = VirtualBox.instance().settings()
-        if not os.path.exists(settings["vboxmanage_path"]):
-            QtWidgets.QMessageBox.critical(self, "VirtualBox", "VBoxManage could not be found, VirtualBox is probably not installed. After installation you need to restart GNS3.")
-            return
-        self._refreshVMListSlot()
-
    def _setPreferencesPane(self, dialog, name):
        """
        Finds the first child of the QTreeWidgetItem name.
@@ -161,13 +106,6 @@ class SetupWizard(QtWidgets.QWizard, Ui_SetupWizard):
        dialog.uiTreeWidget.setCurrentItem(child_pane)
        return dialog.uiStackedWidget.currentWidget()

-    def _getSettingsCallback(self, result, error=False, **kwargs):
-        if error:
-            if "message" in result:
-                log.error("Error while get gettings: {}".format(result["message"]))
-            return
-        self._gns3_vm_settings = result
-
    def initializePage(self, page_id):
        """
        Initialize Wizard pages.
@@ -176,35 +114,16 @@ class SetupWizard(QtWidgets.QWizard, Ui_SetupWizard):
        """

        super().initializePage(page_id)
-        if self.page(page_id) == self.uiServerWizardPage:
+        if self.page(page_id) == self.uiControllerWizardPage:
            Controller.instance().setDisplayError(False)
-            Controller.instance().get("/gns3vm", self._getSettingsCallback)
-        elif self.page(page_id) == self.uiVMWizardPage:
-            if self._GNS3VMSettings()["engine"] == "vmware":
-                self.uiVmwareRadioButton.setChecked(True)
-                self._listVMwareVMsSlot()
-            elif self._GNS3VMSettings()["engine"] == "virtualbox":
-                self.uiVirtualBoxRadioButton.setChecked(True)
-                self._listVirtualBoxVMsSlot()
-            self.uiCPUSpinBox.setValue(self._GNS3VMSettings()["vcpus"])
-            self.uiRAMSpinBox.setValue(self._GNS3VMSettings()["ram"])
-
-        elif self.page(page_id) == self.uiLocalServerWizardPage:
+        elif self.page(page_id) == self.uiLocalControllerWizardPage:
            local_server_settings = LocalServer.instance().localServerSettings()
            self.uiLocalServerPathLineEdit.setText(local_server_settings["path"])
            index = self.uiLocalServerHostComboBox.findData(local_server_settings["host"])
            if index != -1:
                self.uiLocalServerHostComboBox.setCurrentIndex(index)
            else:
-                if self.uiVMRadioButton.isChecked():
-                    # Try to bind with the IP address allocated for VMnet1
-                    for interface in interfaces():
-                        if "vmnet1" in interface["name"].lower():
-                            index = self.uiLocalServerHostComboBox.findText(interface["ip_address"])
-                            break
-                else:
-                    index = self.uiLocalServerHostComboBox.findText(DEFAULT_LOCAL_SERVER_HOST)
-
+                index = self.uiLocalServerHostComboBox.findText(DEFAULT_CONTROLLER_HOST)
                if index != -1:
                    self.uiLocalServerHostComboBox.setCurrentIndex(index)

@@ -213,61 +132,28 @@ class SetupWizard(QtWidgets.QWizard, Ui_SetupWizard):
        elif self.page(page_id) == self.uiRemoteControllerWizardPage:
            local_server_settings = LocalServer.instance().localServerSettings()
            if local_server_settings["host"] is None:
-                self.uiRemoteMainServerHostLineEdit.setText(DEFAULT_LOCAL_SERVER_HOST)
-                self.uiRemoteMainServerAuthCheckBox.setChecked(False)
+                self.uiRemoteMainServerHostLineEdit.setText(DEFAULT_CONTROLLER_HOST)
                self.uiRemoteMainServerUserLineEdit.setText("")
                self.uiRemoteMainServerPasswordLineEdit.setText("")
            else:
                self.uiRemoteMainServerHostLineEdit.setText(local_server_settings["host"])
-                self.uiRemoteMainServerAuthCheckBox.setChecked(local_server_settings["auth"])
-                self.uiRemoteMainServerUserLineEdit.setText(local_server_settings["user"])
+                self.uiRemoteMainServerUserLineEdit.setText(local_server_settings["username"])
                self.uiRemoteMainServerPasswordLineEdit.setText(local_server_settings["password"])
            self.uiRemoteMainServerPortSpinBox.setValue(local_server_settings["port"])
-        elif self.page(page_id) == self.uiLocalServerStatusWizardPage:
-            self._refreshLocalServerStatusSlot()
-
        elif self.page(page_id) == self.uiSummaryWizardPage:
            self.uiSummaryTreeWidget.clear()
-            if self.uiLocalRadioButton.isChecked():
+            if self.uiLocalControllerRadioButton.isChecked():
                local_server_settings = LocalServer.instance().localServerSettings()
-                self._addSummaryEntry("Server type:", "Local")
+                self._addSummaryEntry("Type:", "Local")
                self._addSummaryEntry("Path:", local_server_settings["path"])
                self._addSummaryEntry("Host:", local_server_settings["host"])
                self._addSummaryEntry("Port:", str(local_server_settings["port"]))
            elif self.uiRemoteControllerRadioButton.isChecked():
                local_server_settings = LocalServer.instance().localServerSettings()
-                self._addSummaryEntry("Server type:", "Remote")
+                self._addSummaryEntry("Type:", "Remote")
                self._addSummaryEntry("Host:", local_server_settings["host"])
                self._addSummaryEntry("Port:", str(local_server_settings["port"]))
-                self._addSummaryEntry("User:", local_server_settings["user"])
-            else:
-                self._addSummaryEntry("Server type:", "GNS3 Virtual Machine")
-                self._addSummaryEntry("VM engine:", self._GNS3VMSettings()["engine"].capitalize())
-                self._addSummaryEntry("VM name:", self._GNS3VMSettings()["vmname"])
-                self._addSummaryEntry("VM vCPUs:", str(self._GNS3VMSettings()["vcpus"]))
-                self._addSummaryEntry("VM RAM:", str(self._GNS3VMSettings()["ram"]) + " MB")
-
-    @qslot
-    def _refreshLocalServerStatusSlot(self):
-        """
-        Refresh the local server status page
-        """
-
-        self.uiLocalServerTextEdit.clear()
-        if Controller.instance().connected():
-            self.uiLocalServerTextEdit.setText("Connection to the local GNS3 server has been successful!")
-            Controller.instance().get("/gns3vm", self._getSettingsCallback)
-        elif Controller.instance().connecting():
-            self.uiLocalServerTextEdit.setText("Please wait connection to the GNS3 server...")
-        else:
-            local_server_settings = LocalServer.instance().localServerSettings()
-            self.uiLocalServerTextEdit.setText("Connection to local server failed. Please try one of the following:\n\n- Make sure GNS3 is allowed to run by your firewall.\n- Go back and try to change the server host binding and/or the port\n- Check with a browser if you can connect to {protocol}://{host}:{port}.\n- Try to run {path} in a terminal to see if you have an error.".format(protocol=local_server_settings["protocol"], host=local_server_settings["host"], port=local_server_settings["port"], path=local_server_settings["path"]))
-
-    def _GNS3VMSettings(self):
-        return self._gns3_vm_settings
-
-    def _setGNS3VMSettings(self, settings):
-        Controller.instance().put("/gns3vm", self._saveSettingsCallback, settings, timeout=60 * 5)
+                self._addSummaryEntry("User:", local_server_settings["username"])

    def _saveSettingsCallback(self, result, error=False, **kwargs):
        if error:
@@ -289,112 +175,45 @@ class SetupWizard(QtWidgets.QWizard, Ui_SetupWizard):
        """

        Controller.instance().setDisplayError(True)
-        if self.currentPage() == self.uiVMWizardPage:
-            vmname = self.uiVMListComboBox.currentText()
-            if vmname:
-                # save the GNS3 VM settings
-                vm_settings = self._GNS3VMSettings()
-                vm_settings["enable"] = True
-                vm_settings["vmname"] = vmname
+        if self.currentPage() == self.uiLocalControllerWizardPage:

-                if self.uiVmwareRadioButton.isChecked():
-                    vm_settings["engine"] = "vmware"
-                elif self.uiVirtualBoxRadioButton.isChecked():
-                    vm_settings["engine"] = "virtualbox"
+            local_controller_settings = LocalServer.instance().localServerSettings()
+            local_controller_settings["auto_start"] = True
+            local_controller_settings["remote"] = False
+            local_controller_settings["path"] = self.uiLocalServerPathLineEdit.text().strip()
+            local_controller_settings["host"] = self.uiLocalServerHostComboBox.itemData(self.uiLocalServerHostComboBox.currentIndex())
+            local_controller_settings["port"] = self.uiLocalServerPortSpinBox.value()

-                # set the vCPU count and RAM
-                vpcus = self.uiCPUSpinBox.value()
-                ram = self.uiRAMSpinBox.value()
-                if ram < 1024:
-                    QtWidgets.QMessageBox.warning(self, "GNS3 VM memory", "It is recommended to allocate a minimum of 1024 MB of memory to the GNS3 VM")
-                vm_settings["vcpus"] = vpcus
-                vm_settings["ram"] = ram
-
-                self._setGNS3VMSettings(vm_settings)
-            else:
-                if not self.uiVmwareRadioButton.isChecked() and not self.uiVirtualBoxRadioButton.isChecked():
-                    QtWidgets.QMessageBox.warning(self, "GNS3 VM", "Please select VMware or VirtualBox")
-                else:
-                    QtWidgets.QMessageBox.warning(self, "GNS3 VM", "Please select a VM. If no VM is listed, check if the GNS3 VM is correctly imported and press refresh.")
+            if not os.path.isfile(local_controller_settings["path"]):
+                QtWidgets.QMessageBox.critical(self, "Local server", "Could not find local server {}".format(local_controller_settings["path"]))
                return False
-        elif self.currentPage() == self.uiLocalServerWizardPage:
-            local_server_settings = LocalServer.instance().localServerSettings()
-            local_server_settings["auto_start"] = True
-            local_server_settings["path"] = self.uiLocalServerPathLineEdit.text().strip()
-            local_server_settings["host"] = self.uiLocalServerHostComboBox.itemData(self.uiLocalServerHostComboBox.currentIndex())
-            local_server_settings["port"] = self.uiLocalServerPortSpinBox.value()
-
-            if not os.path.isfile(local_server_settings["path"]):
-                QtWidgets.QMessageBox.critical(self, "Local server", "Could not find local server {}".format(local_server_settings["path"]))
-                return False
-            if not os.access(local_server_settings["path"], os.X_OK):
-                QtWidgets.QMessageBox.critical(self, "Local server", "{} is not an executable".format(local_server_settings["path"]))
+            if not os.access(local_controller_settings["path"], os.X_OK):
+                QtWidgets.QMessageBox.critical(self, "Local server", "{} is not an executable".format(local_controller_settings["path"]))
                return False

-            LocalServer.instance().updateLocalServerSettings(local_server_settings)
+            LocalServer.instance().updateLocalServerSettings(local_controller_settings)
+
+            # start and connect to the controller if required
            if not LocalServer.instance().localServerAutoStartIfRequired():
                return False

        elif self.currentPage() == self.uiRemoteControllerWizardPage:
-            local_server_settings = LocalServer.instance().localServerSettings()
-            local_server_settings["auto_start"] = False
-            local_server_settings["host"] = self.uiRemoteMainServerHostLineEdit.text()
-            local_server_settings["port"] = self.uiRemoteMainServerPortSpinBox.value()
-            local_server_settings["protocol"] = "http"
-            local_server_settings["user"] = self.uiRemoteMainServerUserLineEdit.text()
-            local_server_settings["password"] = self.uiRemoteMainServerPasswordLineEdit.text()
-            local_server_settings["auth"] = self.uiRemoteMainServerAuthCheckBox.isChecked()
-            LocalServer.instance().updateLocalServerSettings(local_server_settings)

-        elif self.currentPage() == self.uiSummaryWizardPage:
-            if self.uiLocalRadioButton.isChecked():
-                # deactivate the GNS3 VM if using the local server
-                vm_settings = self._GNS3VMSettings()
-                vm_settings["enable"] = False
-                self._setGNS3VMSettings(vm_settings)
-
-        elif self.currentPage() == self.uiLocalServerStatusWizardPage:
-            if not Controller.instance().connected():
-                return False
+            remote_controller_settings = Controller.instance().settings()
+            remote_controller_settings["auto_start"] = False
+            remote_controller_settings["remote"] = True
+            remote_controller_settings["host"] = self.uiRemoteMainServerHostLineEdit.text()
+            remote_controller_settings["port"] = self.uiRemoteMainServerPortSpinBox.value()
+            remote_controller_settings["protocol"] = self.uiRemoteMainServerProtocolComboBox.currentText().lower()
+            remote_controller_settings["accept_insecure_ssl_certificate"] = False
+            remote_controller_settings["username"] = self.uiRemoteMainServerUserLineEdit.text()
+            remote_controller_settings["password"] = self.uiRemoteMainServerPasswordLineEdit.text()
+            Controller.instance().setSettings(remote_controller_settings)
+            Controller.instance().connect()
+            return Controller.instance().connected()

        return True

-    def _refreshVMListSlot(self):
-        """
-        Refresh the list of VM available in VMware or VirtualBox.
-        """
-
-        if self.uiVmwareRadioButton.isChecked():
-            Controller.instance().get("/gns3vm/engines/vmware/vms", self._getVMsFromServerCallback, progressText="Retrieving VMware VM list from server...")
-        elif self.uiVirtualBoxRadioButton.isChecked():
-            Controller.instance().get("/gns3vm/engines/virtualbox/vms", self._getVMsFromServerCallback, progressText="Retrieving VirtualBox VM list from server...")
-
-    def _getVMsFromServerCallback(self, result, error=False, **kwargs):
-        """
-        Callback for getVMsFromServer.
-
-        :param progress_dialog: QProgressDialog instance
-        :param result: server response
-        :param error: indicates an error (boolean)
-        """
-
-        if error:
-            QtWidgets.QMessageBox.critical(self, "VM List", "{}".format(result["message"]))
-        else:
-            self.uiVMListComboBox.clear()
-            for vm in result:
-                self.uiVMListComboBox.addItem(vm["vmname"])
-
-            index = self.uiVMListComboBox.findText(self._GNS3VMSettings()["vmname"])
-            if index != -1:
-                self.uiVMListComboBox.setCurrentIndex(index)
-            else:
-                index = self.uiVMListComboBox.findText("GNS3 VM")
-                if index != -1:
-                    self.uiVMListComboBox.setCurrentIndex(index)
-                else:
-                    QtWidgets.QMessageBox.critical(self, "GNS3 VM", "Could not find a VM named 'GNS3 VM', is it imported in VMware or VirtualBox?")
-
    def done(self, result):
        """
        This dialog is closed.
@@ -419,20 +238,17 @@ class SetupWizard(QtWidgets.QWizard, Ui_SetupWizard):
        """

        current_id = self.currentId()
-        if self.page(current_id) == self.uiLocalServerStatusWizardPage and not self.uiVMRadioButton.isChecked():
+        if self.page(current_id) == self.uiLocalControllerWizardPage and self.uiLocalControllerRadioButton.isChecked():
            return self._pageId(self.uiSummaryWizardPage)
-
-        if self.page(current_id) == self.uiServerWizardPage and self.uiRemoteControllerRadioButton.isChecked():
+        if self.page(current_id) == self.uiControllerWizardPage and self.uiRemoteControllerRadioButton.isChecked():
            return self._pageId(self.uiRemoteControllerWizardPage)
-
-        if self.page(current_id) == self.uiVMWizardPage:
-            return self._pageId(self.uiSummaryWizardPage)
        return QtWidgets.QWizard.nextId(self)

    def _pageId(self, page):
        """
        Return id of the page
        """
+
        for id in self.pageIds():
            if self.page(id) == page:
                return id
--- a/gns3/dialogs/show_readme_dialog.py
+++ b/gns3/dialogs/show_readme_dialog.py
@@ -0,0 +1,71 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2020 GNS3 Technologies Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import os
+
+from gns3.qt import QtCore, QtGui, QtWidgets
+from gns3.ui.show_readme_dialog_ui import Ui_ShowReadmeDialog
+from gns3.utils import parse_version
+
+import logging
+log = logging.getLogger(__name__)
+
+
+class ShowReadmeDialog(QtWidgets.QDialog, Ui_ShowReadmeDialog):
+
+    def __init__(self, project, path, content=None, parent=None):
+
+        if parent is None:
+            from gns3.main_window import MainWindow
+            parent = MainWindow.instance()
+
+        super().__init__(parent)
+        self.setupUi(self)
+
+        self._project = project
+        self._path = path
+        self.setWindowTitle(project.name() + " " + os.path.basename(path))
+        self.uiRefreshButton.pressed.connect(self._refreshSlot)
+
+        # QTextDocument before Qt version 5.14 doesn't support Markdown
+        if parse_version(QtCore.QT_VERSION_STR) < parse_version("5.14.0") or parse_version(QtCore.PYQT_VERSION_STR) < parse_version("5.14.0"):
+            self._markdown = False
+        else:
+            self._markdown = True
+
+        self._document = QtGui.QTextDocument()
+        self.uiTextBrowser.setDocument(self._document)
+
+        if content:
+            if self._markdown:
+                self._document.setMarkdown(content)
+            else:
+                self._document.setPlainText(content)
+        else:
+            self._refreshSlot()
+
+    def _refreshSlot(self):
+        self._project.get("/files/" + self._path, self._getCallback, raw=True)
+
+    def _getCallback(self, result, error=False, **kwargs):
+
+        if not error:
+            content = result.decode("utf-8", errors="ignore")
+            if self._markdown:
+                self._document.setMarkdown(content)
+            else:
+                self._document.setPlainText(content)
--- a/gns3/dialogs/snapshots_dialog.py
+++ b/gns3/dialogs/snapshots_dialog.py
@@ -85,11 +85,14 @@ class SnapshotsDialog(QtWidgets.QDialog, Ui_SnapshotsDialog):

        snapshot_name, ok = QtWidgets.QInputDialog.getText(self, "Snapshot", "Snapshot name:", QtWidgets.QLineEdit.Normal, "Unnamed")
        if ok and snapshot_name and self._project:
-            Controller.instance().post("/projects/{}/snapshots".format(self._project.id()),
-                                       self._createSnapshotsCallback,
-                                       {"name": snapshot_name},
-                                       progressText="Creation of snapshot '{}' in progress...".format(snapshot_name),
-                                       timeout=None)
+            Controller.instance().post(
+                "/projects/{}/snapshots".format(self._project.id()),
+                self._createSnapshotsCallback,
+                {"name": snapshot_name},
+                progress_text="Creation of snapshot '{}' in progress...".format(snapshot_name),
+                timeout=None,
+                wait=True
+            )

    def _createSnapshotsCallback(self, result, error=False, server=None, context={}, **kwargs):
        if error:
@@ -139,8 +142,13 @@ class SnapshotsDialog(QtWidgets.QDialog, Ui_SnapshotsDialog):
        if reply == QtWidgets.QMessageBox.Cancel:
            return

-        Controller.instance().post("/projects/{}/snapshots/{}/restore".format(self._project.id(), snapshot_id),
-                                   self._restoreSnapshotsCallback, progressText="Restoring snapshot...", timeout=None)
+        Controller.instance().post(
+            "/projects/{}/snapshots/{}/restore".format(self._project.id(), snapshot_id),
+            self._restoreSnapshotsCallback,
+            progress_text="Restoring snapshot...",
+            timeout=None,
+            wait=True
+        )

    def _restoreSnapshotsCallback(self, result, error=False, server=None, context={}, **kwargs):

--- a/gns3/dialogs/style_editor_dialog.py
+++ b/gns3/dialogs/style_editor_dialog.py
@@ -22,6 +22,7 @@ Style editor to edit Shape items.
 from ..qt import QtCore, QtWidgets, QtGui
 from ..ui.style_editor_dialog_ui import Ui_StyleEditorDialog
 from ..items.shape_item import ShapeItem
+from ..items.line_item import LineItem
 from ..items.rectangle_item import RectangleItem


@@ -49,7 +50,8 @@ class StyleEditorDialog(QtWidgets.QDialog, Ui_StyleEditorDialog):
        self.uiBorderStyleComboBox.addItem("Dot", QtCore.Qt.DotLine)
        self.uiBorderStyleComboBox.addItem("Dash Dot", QtCore.Qt.DashDotLine)
        self.uiBorderStyleComboBox.addItem("Dash Dot Dot", QtCore.Qt.DashDotDotLine)
-        self.uiBorderStyleComboBox.addItem("No border", QtCore.Qt.NoPen)
+        if True not in list(map(lambda item: isinstance(item, LineItem), items)):
+            self.uiBorderStyleComboBox.addItem("No border", QtCore.Qt.NoPen)

        # use the first item in the list as the model
        first_item = items[0]
--- a/gns3/dialogs/symbol_selection_dialog.py
+++ b/gns3/dialogs/symbol_selection_dialog.py
@@ -191,7 +191,14 @@ class SymbolSelectionDialog(QtWidgets.QDialog, Ui_SymbolSelectionDialog):
        SymbolSelectionDialog._symbols_dir = os.path.dirname(path)

        symbol_id = os.path.basename(path)
-        Controller.instance().post("/symbols/" + symbol_id + "/raw", qpartial(self._finishSymbolUpload, path), body=pathlib.Path(path), progressText="Uploading {}".format(symbol_id), timeout=None)
+        Controller.instance().post(
+            "/symbols/" + symbol_id + "/raw",
+            qpartial(self._finishSymbolUpload, path),
+            body=pathlib.Path(path),
+            progress_text="Uploading {}".format(symbol_id),
+            timeout=None,
+            wait=True
+        )

    def _finishSymbolUpload(self, path, result, error=False, **kwargs):
        if error:
--- a/gns3/dialogs/vm_with_images_wizard.py
+++ b/gns3/dialogs/vm_with_images_wizard.py
@@ -88,9 +88,10 @@ class VMWithImagesWizard(VMWizard):
        self._radio_existing_images_buttons.add(radio_button)

    def _imageCreateSlot(self, line_edit, create_image_wizard, image_suffix):
-        create_dialog = create_image_wizard(self, self.getSettings()["compute_id"], self.uiNameLineEdit.text() + image_suffix)
-        if QtWidgets.QDialog.Accepted == create_dialog.exec_():
-            line_edit.setText(create_dialog.uiLocationLineEdit.text())
+
+        create_dialog = create_image_wizard(self, Controller.instance(), self.uiNameLineEdit.text() + image_suffix)
+        if create_dialog.exec_() == QtWidgets.QDialog.Accepted:
+            line_edit.setText(create_dialog.uiDiskFilenameLineEdit.text())

    def _imageBrowserSlot(self, line_edit, image_selector):
        """
@@ -135,14 +136,17 @@ class VMWithImagesWizard(VMWizard):
            if create_button:
                create_button.show()

-    def loadImagesList(self, endpoint):
+    def loadImagesList(self, image_type):
        """
-        Fill the list box with available Images"
+        Fill the list box with available images

-        :param endpoint: server endpoint with the list of Images
+        :param image_type: image type (qemu, iou or ios)
        """

-        Controller.instance().getCompute(endpoint, self._compute_id, self._getImagesFromServerCallback)
+        params = None
+        if image_type:
+            params = {"image_type": image_type}
+        Controller.instance().get("/images", self._getImagesFromServerCallback, params=params)

    def _getImagesFromServerCallback(self, result, error=False, **kwargs):
        """
@@ -179,7 +183,7 @@ class VMWithImagesWizard(VMWizard):
            if self._widgetOnCurrentPage(combo_box):
                combo_box.clear()
                for vm in result:
-                    combo_box.addItem(vm["path"], vm)
+                    combo_box.addItem(vm["filename"], vm)

    def _widgetOnCurrentPage(self, widget):
        """
--- a/gns3/dialogs/vm_wizard.py
+++ b/gns3/dialogs/vm_wizard.py
@@ -37,6 +37,7 @@ class VMWizard(QtWidgets.QWizard):
        self.setModal(True)

        self._devices = devices
+        self._allow_dynamic_compute_allocation = True
        self._local_server_disable = False

        self.setWizardStyle(QtWidgets.QWizard.ModernStyle)
@@ -102,6 +103,8 @@ class VMWizard(QtWidgets.QWizard):
            if hasattr(self, "uiVMRadioButton"):
                self.uiVMRadioButton.setEnabled(False)
            self.uiLocalRadioButton.setEnabled(False)
+            if self._allow_dynamic_compute_allocation:
+                self.uiRemoteServersComboBox.addItem("Any server", None)
            for compute in ComputeManager.instance().computes():
                if compute.id() == "local":
                    self.uiLocalRadioButton.setEnabled(True)
--- a/gns3/graphics_view.py
+++ b/gns3/graphics_view.py
@@ -100,8 +100,6 @@ class GraphicsView(QtWidgets.QGraphicsView):
        self._node_grid_color = self.DEFAULT_NODE_GRID_COLOR
        self._last_mouse_position = None
        self._topology = Topology.instance()
-        self._background_warning_msgbox = QtWidgets.QErrorMessage(self)
-        self._background_warning_msgbox.setWindowTitle("Layer position")

        # set the scene
        scene = QtWidgets.QGraphicsScene(parent=self)
@@ -832,6 +830,18 @@ class GraphicsView(QtWidgets.QGraphicsView):
            console_edit_action.triggered.connect(self.customConsoleActionSlot)
            menu.addAction(console_edit_action)

+        if True in list(map(lambda item: isinstance(item, NodeItem), items)):
+            isolate_action = QtWidgets.QAction("Isolate", menu)
+            isolate_action.setIcon(get_icon("link-pause.svg"))
+            isolate_action.triggered.connect(self.isolateActionSlot)
+            menu.addAction(isolate_action)
+
+        if True in list(map(lambda item: isinstance(item, NodeItem), items)):
+            unisolate_action = QtWidgets.QAction("Un-isolate", menu)
+            unisolate_action.setIcon(get_icon("link-start.svg"))
+            unisolate_action.triggered.connect(self.unisolateActionSlot)
+            menu.addAction(unisolate_action)
+
        if True in list(map(lambda item: isinstance(item, NodeItem), items)):
            # Action: Change hostname
            change_hostname_action = QtWidgets.QAction("Change hostname", menu)
@@ -1011,6 +1021,26 @@ class GraphicsView(QtWidgets.QGraphicsView):
            if isinstance(item, NodeItem) and hasattr(item.node(), "reload") and item.node().initialized():
                item.node().reload()

+    def isolateActionSlot(self):
+        """
+        Slot to receive events from the isolate action in the
+        contextual menu.
+        """
+
+        for item in self.scene().selectedItems():
+            if isinstance(item, NodeItem) and hasattr(item.node(), "isolate") and item.node().initialized():
+                item.node().isolate()
+
+    def unisolateActionSlot(self):
+        """
+        Slot to receive events from the unisolate action in the
+        contextual menu.
+        """
+
+        for item in self.scene().selectedItems():
+            if isinstance(item, NodeItem) and hasattr(item.node(), "unisolate") and item.node().initialized():
+                item.node().unisolate()
+
    def configureActionSlot(self):
        """
        Slot to receive events from the configure action in the
@@ -1038,10 +1068,6 @@ class GraphicsView(QtWidgets.QGraphicsView):
                    if not new_hostname.strip():
                        QtWidgets.QMessageBox.critical(self, "Change hostname", "Hostname cannot be blank")
                        continue
-                    if hasattr(item.node(), "validateHostname") and not LocalConfig.instance().experimental():
-                        if not item.node().validateHostname(new_hostname):
-                            QtWidgets.QMessageBox.critical(self, "Change hostname", "Invalid name detected for this node: {}".format(new_hostname))
-                            continue
                    item.node().update({"name": new_hostname})

    def changeSymbolActionSlot(self):
@@ -1074,7 +1100,7 @@ class GraphicsView(QtWidgets.QGraphicsView):
                    break

                if os.path.exists(node_dir):
-                    log.debug("Open %s in file manager")
+                    log.debug(f"Open {node_dir} in file manager")
                    if QtGui.QDesktopServices.openUrl(QtCore.QUrl.fromLocalFile(node_dir)) is False:
                        QtWidgets.QMessageBox.critical(self, "Show in file manager", "Failed to open {}".format(node_dir))
                        break
--- a/gns3/http_client.py
+++ b/gns3/http_client.py
--- a/gns3/http_client_error.py
+++ b/gns3/http_client_error.py
@@ -0,0 +1,58 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2021 GNS3 Technologies Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+class HttpClientError(Exception):
+    def __init__(self, message: str):
+        super().__init__()
+        self._message = message
+
+    def __repr__(self):
+        return self._message
+
+    def __str__(self):
+        return self._message
+
+
+class HttpClientNotFoundError(HttpClientError):
+    def __init__(self, message: str):
+        super().__init__(message)
+
+
+class HttpClientCancelledRequestError(HttpClientError):
+    def __init__(self, message: str):
+        super().__init__(message)
+
+
+class HttpClientBadRequestError(HttpClientError):
+    def __init__(self, message: str):
+        super().__init__(message)
+
+
+class HttpClientUnauthorizedError(HttpClientError):
+    def __init__(self, message: str):
+        super().__init__(message)
+
+
+class HttpClientForbiddenError(HttpClientError):
+    def __init__(self, message: str):
+        super().__init__(message)
+
+
+class HttpClientTimeoutError(HttpClientError):
+    def __init__(self, message: str):
+        super().__init__(message)
--- a/gns3/image_manager.py
+++ b/gns3/image_manager.py
@@ -20,11 +20,10 @@ import copy
 import pathlib

 from gns3.qt import QtWidgets
-from gns3.local_server_config import LocalServerConfig
-from gns3.settings import LOCAL_SERVER_SETTINGS
 from gns3.controller import Controller
 from gns3.utils.file_copy_worker import FileCopyWorker
 from gns3.utils.progress_dialog import ProgressDialog
+from gns3.http_client_error import HttpClientError, HttpClientCancelledRequestError
 from gns3.registry.image import Image


@@ -69,7 +68,7 @@ class ImageManager:
        """

        if (server and server != "local") or Controller.instance().isRemote():
-            return self._uploadImageToRemoteServer(source_path, server, node_type)
+            return self._uploadImageToRemoteServer(source_path, node_type, parent)
        else:
            destination_directory = self.getDirectoryForType(node_type)
            destination_path = os.path.join(destination_directory, os.path.basename(source_path))
@@ -115,27 +114,45 @@ class ImageManager:
                        source_path = destination_path
            return source_path

-    def _uploadImageToRemoteServer(self, path, server, node_type):
+    def _uploadImageToRemoteServer(self, path, node_type, parent):
        """
        Upload image to remote server

        :param path: File path on computer
-        :param server: The server where the images should be located
        :param node_type: Image node_type
        :returns path: Final path
        """

        if node_type == 'QEMU':
-            upload_endpoint = '/qemu/images'
+            image_type = 'qemu'
        elif node_type == 'IOU':
-            upload_endpoint = '/iou/images'
+            image_type = 'iou'
        elif node_type == 'DYNAMIPS':
-            upload_endpoint = '/dynamips/images'
+            image_type = 'ios'
        else:
            raise Exception('Invalid node type')

        filename = self._getRelativeImagePath(path, node_type).replace("\\", "/")
-        Controller.instance().postCompute('{}/{}'.format(upload_endpoint, filename), server, None, body=pathlib.Path(path), progressText="Uploading {}".format(filename), timeout=None)
+
+        try:
+            Controller.instance().post(
+                f"/images/upload/{filename}",
+                callback=None,
+                params={"image_type": image_type},
+                body=pathlib.Path(path),
+                progress_text="Uploading {}".format(filename),
+                timeout=None,
+                wait=True
+            )
+        except HttpClientCancelledRequestError:
+            return
+        except HttpClientError as e:
+            QtWidgets.QMessageBox.critical(
+                parent,
+                "Image upload",
+                f"Could not upload image {filename}: {e}"
+            )
+
        return filename

    def _getRelativeImagePath(self, path, node_type):
@@ -164,7 +181,7 @@ class ImageManager:
        :returns: path to the default images directory
        """

-        return copy.copy(LocalServerConfig.instance().loadSettings("Server", LOCAL_SERVER_SETTINGS)['images_path'])
+        return copy.copy(Controller.instance().settings()['images_path'])

    def getDirectoryForType(self, node_type):
        """
--- a/gns3/image_upload_manager.py
+++ b/gns3/image_upload_manager.py
@@ -17,9 +17,11 @@

 import os
 import pathlib
-import urllib.parse

-from gns3.http_client import HTTPClient
+from gns3.http_client_error import HttpClientError, HttpClientCancelledRequestError
+from gns3.qt import QtWidgets
+from gns3.registry.image import Image
+from gns3.controller import Controller

 import logging
 log = logging.getLogger(__name__)
@@ -27,64 +29,42 @@ log = logging.getLogger(__name__)

 class ImageUploadManager(object):
    """
-    Manager over the image upload. Encapsulates file uploads to computes or via controller.
+    Manager over the image upload
    """

-    def __init__(self, image, controller, compute_id, callback=None, directFileUpload=False):
-        self._image = image
-        self._compute_id = compute_id
-        self._callback = callback
-        self._directFileUpload = directFileUpload
-        self._controller = controller
+    def __init__(self, image: Image, controller: Controller, parent: QtWidgets.QWidget):
+
+        self._image = image
+        self._controller = controller
+        self._parent = parent
+
+    def upload(self) -> bool:

-    def upload(self):
        if not os.path.exists(self._image.path):
            log.error("Image '{}' could not be found".format(self._image.path))
-            return
-        if self._directFileUpload:
-            # first obtain endpoint and know when target request
-            self._controller.getEndpoint(self._getComputePath(), self._compute_id, self._onLoadEndpointCallback, showProgress=False)
-        else:
-            self._fileUploadToController()
+            return False
+        return self._fileUploadToController()

-    def _getComputePath(self):
-        return '/{emulator}/images/{filename}'.format(emulator=self._image.emulator, filename=self._image.filename)
+    def _fileUploadToController(self) -> bool:

-    def _onLoadEndpointCallback(self, result, error=False, **kwargs):
-        if error:
-            if "message" in result:
-                log.error("Error while getting endpoint: {}".format(result["message"]))
-            return
-
-        # we know where is the endpoint and we trying to post there a file
-        endpoint = result['endpoint']
-        self._fileUploadToCompute(endpoint)
-
-    def _checkIfSuccessfulCallback(self, result, error=False, **kwargs):
-        if error:
-            connection_error = kwargs.get('connection_error', False)
-            if connection_error:
-                log.debug("During direct file upload compute is not visible. Fallback to upload via controller.")
-                # there was an issue with connection, probably we don't have a direct access to compute
-                # we need to fallback to uploading files via controller
-                self._fileUploadToController()
-            else:
-                if "message" in result:
-                    log.error("Error while direct file upload: {}".format(result["message"]))
-            return
-        self._callback(result, error, **kwargs)
-
-    def _fileUploadToCompute(self, endpoint):
-        log.debug("Uploading image '{}' to compute".format(self._image.path))
-        parse_results = urllib.parse.urlparse(endpoint)
-        network_manager = self._controller.getHttpClient().getNetworkManager()
-        client = HTTPClient.fromUrl(endpoint, network_manager=network_manager)
-        # We don't retry connection as in case of fail we try direct file upload
-        client.setMaxRetryConnection(0)
-        client.createHTTPQuery('POST', parse_results.path, self._checkIfSuccessfulCallback, body=pathlib.Path(self._image.path),
-                               context={"image_path": self._image.path}, progressText="Uploading {}".format(self._image.filename), timeout=None, prefix="")
-
-    def _fileUploadToController(self):
-        log.debug("Uploading image '{}' to controller".format(self._image.path))
-        self._controller.postCompute(self._getComputePath(), self._compute_id, self._callback, body=pathlib.Path(self._image.path),
-                                     context={"image_path": self._image.path}, progressText="Uploading {}".format(self._image.filename), timeout=None)
+        log.info("Uploading image '{}' to controller".format(self._image.filename))
+        try:
+            self._controller.post(
+                f"/images/upload/{self._image.filename}",
+                callback=None,
+                body=pathlib.Path(self._image.path),
+                context={"image_path": self._image.path},
+                progress_text="Uploading {}".format(self._image.filename),
+                timeout=None,
+                wait=True
+            )
+        except HttpClientCancelledRequestError:
+            return False
+        except HttpClientError as e:
+            QtWidgets.QMessageBox.critical(
+                self._parent,
+                "Image upload to controller",
+                f"Could not upload image {self._image.filename}: {e}"
+            )
+            return False
+        return True
--- a/gns3/items/drawing_item.py
+++ b/gns3/items/drawing_item.py
@@ -27,7 +27,7 @@ log = logging.getLogger(__name__)
 class DrawingItem:
    # Map QT stroke to SVG style
    QT_DASH_TO_SVG = {
-        QtCore.Qt.SolidLine: "",
+        QtCore.Qt.SolidLine: "none",
        QtCore.Qt.NoPen: None,
        QtCore.Qt.DashLine: "25, 25",
        QtCore.Qt.DotLine: "5, 25",
@@ -93,7 +93,7 @@ class DrawingItem:

    def updateDrawing(self):
        if self._id and not self.deleting() and self._project:
-            self._project.put("/drawings/" + self._id, self.updateDrawingCallback, body=self.__json__(), showProgress=False)
+            self._project.put("/drawings/" + self._id, self.updateDrawingCallback, body=self.__json__(), show_progress=False)

    @qslot
    def updateDrawingCallback(self, result, error=False, **kwargs):
@@ -229,10 +229,8 @@ class DrawingItem:
        if change == QtWidgets.QGraphicsItem.ItemPositionChange and self._main_window.uiSnapToGridAction.isChecked() \
                and self._allow_snap_to_grid:
            grid_size = self._graphics_view.drawingGridSize()
-            mid_x = self.boundingRect().width() / 2
-            value.setX((grid_size * round((value.x() + mid_x) / grid_size)) - mid_x)
-            mid_y = self.boundingRect().height() / 2
-            value.setY((grid_size * round((value.y()+mid_y)/grid_size)) - mid_y)
+            value.setX(grid_size * round(value.x() / grid_size))
+            value.setY(grid_size * round(value.y() / grid_size))

        if change == QtWidgets.QGraphicsItem.ItemSelectedChange:
            if not value:
--- a/gns3/items/link_item.py
+++ b/gns3/items/link_item.py
@@ -159,6 +159,12 @@ class LinkItem(QtWidgets.QGraphicsPathItem):
        """
        self._link.deleteLink()

+    def reset(self):
+        """
+        Reset this link
+        """
+        self._link.resetLink()
+
    def link(self):
        """
        Returns the link attached to this link item.
@@ -282,6 +288,12 @@ class LinkItem(QtWidgets.QGraphicsPathItem):
            resume_action.triggered.connect(self._suspendActionSlot)
            menu.addAction(resume_action)

+        # reset
+        reset_action = QtWidgets.QAction("Reset", menu)
+        reset_action.setIcon(get_icon('reload.svg'))
+        reset_action.triggered.connect(self._resetActionSlot)
+        menu.addAction(reset_action)
+
        # style
        style_action = QtWidgets.QAction("Style", menu)
        style_action.setIcon(get_icon("node_conception.svg"))
@@ -340,6 +352,14 @@ class LinkItem(QtWidgets.QGraphicsPathItem):
            self._deleteActionSlot()
            return

+    def _resetActionSlot(self):
+        """
+        Slot to receive events from the reset action in the
+        contextual menu.
+        """
+
+        self.reset()
+
    def _deleteActionSlot(self):
        """
        Slot to receive events from the delete action in the
--- a/gns3/link.py
+++ b/gns3/link.py
@@ -118,15 +118,19 @@ class Link(QtCore.QObject):
                else:
                    self._capture_file = QtCore.QFile(self._capture_file_path)
                    self._capture_file.open(QtCore.QFile.WriteOnly)
+
                if self._network_manager is None:
                    self._network_manager = QtNetwork.QNetworkAccessManager(self)
-                self._response_stream = Controller.instance().get("/projects/{project_id}/links/{link_id}/pcap".format(project_id=self.project().id(), link_id=self._link_id),
-                                                                  None,
-                                                                  showProgress=False,
-                                                                  downloadProgressCallback=self._downloadPcapProgress,
-                                                                  ignoreErrors=True,  # If something is wrong avoid disconnect us from server
-                                                                  timeout=None,
-                                                                  networkManager=self._network_manager)
+                    self._network_manager.sslErrors.connect(Controller.instance().httpClient().handleSslError)
+
+                self._response_stream = Controller.instance().get(
+                    "/projects/{project_id}/links/{link_id}/capture/stream".format(project_id=self.project().id(), link_id=self._link_id),
+                    callback=None,
+                    show_progress=False,
+                    download_progress_callback=self._downloadPcapProgress,
+                    timeout=None,
+                    network_manager=self._network_manager
+                )
            log.debug("Has successfully started capturing packets on link {} to '{}'".format(self._link_id, self._capture_file_path))
        else:
            self._response_stream = None
@@ -352,12 +356,35 @@ class Link(QtCore.QObject):
        # let the GUI know about this link has been deleted
        self.delete_link_signal.emit(self._id)

+    def resetLink(self):
+        """
+        Resets this link.
+        """
+
+        log.debug("reset link from {} {} to {} {}".format(self._source_node.name(),
+                                                          self._source_port.name(),
+                                                          self._destination_node.name(),
+                                                          self._destination_port.name()))
+
+        Controller.instance().post("/projects/{project_id}/links/{link_id}/reset".format(project_id=self.project().id(),
+                                                                                         link_id=self._link_id),
+                                                                                         self._linkResetCallback)
+
+    def _linkResetCallback(self, result, error=False, **kwargs):
+        """
+        Called after the link is reset.
+        """
+
+        if error:
+            log.error("Error while resetting link: {}".format(result["message"]))
+            return
+
    def startCapture(self, data_link_type, capture_file_name):
        data = {
            "capture_file_name": capture_file_name,
            "data_link_type": data_link_type
        }
-        Controller.instance().post("/projects/{project_id}/links/{link_id}/start_capture".format(project_id=self.project().id(), link_id=self._link_id),
+        Controller.instance().post("/projects/{project_id}/links/{link_id}/capture/start".format(project_id=self.project().id(), link_id=self._link_id),
                                   self._startCaptureCallback,
                                   body=data)

@@ -388,7 +415,7 @@ class Link(QtCore.QObject):
            #     except OSError as e:
            #         log.error("Cannot remove file {}: {}".format(self._capture_file_path, e))
        self._capture_file_path = None
-        Controller.instance().post("/projects/{project_id}/links/{link_id}/stop_capture".format(project_id=self.project().id(),
+        Controller.instance().post("/projects/{project_id}/links/{link_id}/capture/stop".format(project_id=self.project().id(),
                                                                                                link_id=self._link_id),
                                                                                                self._stopCaptureCallback)

--- a/resources/linux/applications/gns3.desktop
+++ b/resources/linux/applications/gns3.desktop
--- a/resources/linux/gns3-gui.xml
+++ b/resources/linux/gns3-gui.xml
--- a/resources/linux/icons/hicolor/16x16/apps/gns3.png
+++ b/resources/linux/icons/hicolor/16x16/apps/gns3.png
--- a/resources/linux/icons/hicolor/32x32/apps/gns3.png
+++ b/resources/linux/icons/hicolor/32x32/apps/gns3.png
--- a/resources/linux/icons/hicolor/48x48/apps/gns3.png
+++ b/resources/linux/icons/hicolor/48x48/apps/gns3.png
--- a/resources/linux/icons/hicolor/48x48/mimetypes/application-x-gns3.png
+++ b/resources/linux/icons/hicolor/48x48/mimetypes/application-x-gns3.png
--- a/resources/linux/icons/hicolor/48x48/mimetypes/application-x-gns3appliance.png
+++ b/resources/linux/icons/hicolor/48x48/mimetypes/application-x-gns3appliance.png
--- a/resources/linux/icons/hicolor/48x48/mimetypes/application-x-gns3project.png
+++ b/resources/linux/icons/hicolor/48x48/mimetypes/application-x-gns3project.png
--- a/resources/linux/icons/hicolor/scalable/apps/gns3.svg
+++ b/resources/linux/icons/hicolor/scalable/apps/gns3.svg
--- a/resources/linux/icons/hicolor/scalable/mimetypes/application-x-gns3.svg
+++ b/resources/linux/icons/hicolor/scalable/mimetypes/application-x-gns3.svg
--- a/resources/linux/icons/hicolor/scalable/mimetypes/application-x-gns3appliance.svg
+++ b/resources/linux/icons/hicolor/scalable/mimetypes/application-x-gns3appliance.svg
--- a/resources/linux/icons/hicolor/scalable/mimetypes/application-x-gns3project.svg
+++ b/resources/linux/icons/hicolor/scalable/mimetypes/application-x-gns3project.svg
--- a/gns3/local_config.py
+++ b/gns3/local_config.py
@@ -26,8 +26,6 @@ import psutil
 from .qt import QtCore, QtWidgets
 from .version import __version__, __version_info__
 from .utils import parse_version
-from .local_server_config import LocalServerConfig
-from .settings import LOCAL_SERVER_SETTINGS

 import logging
 log = logging.getLogger(__name__)
@@ -100,10 +98,10 @@ class LocalConfig(QtCore.QObject):
                    # migrate post version 2.2.0 configuration file
                    shutil.copyfile(old_config_path, self._config_file)
                    # reset the local server path and ubridge path
-                    settings = LocalServerConfig.instance().loadSettings("Server", LOCAL_SERVER_SETTINGS)
-                    settings["path"] = ""
-                    settings["ubridge_path"] = ""
-                    LocalServerConfig.instance().saveSettings("Server", settings)
+                    # settings = LocalServerConfig.instance().loadSettings("Controller", CONTROLLER_SETTINGS)
+                    # settings["path"] = ""
+                    # settings["ubridge_path"] = ""
+                    # LocalServerConfig.instance().saveSettings("Controller", settings)
                else:
                    # create a new config
                    with open(self._config_file, "w", encoding="utf-8") as f:
@@ -416,20 +414,6 @@ class LocalConfig(QtCore.QObject):
        settings["multi_profiles"] = value
        self.saveSectionSettings("MainWindow", settings)

-    def directFileUpload(self):
-        """
-        :returns: Boolean. True if direct_file_upload is enabled
-        """
-
-        from gns3.settings import GENERAL_SETTINGS
-        return self.loadSectionSettings("MainWindow", GENERAL_SETTINGS)["direct_file_upload"]
-
-    def setDirectFileUpload(self, value):
-        from gns3.settings import GENERAL_SETTINGS
-        settings = self.loadSectionSettings("MainWindow", GENERAL_SETTINGS)
-        settings["direct_file_upload"] = value
-        self.saveSectionSettings("MainWindow", settings)
-
    def showInterfaceLabelsOnNewProject(self):
        """
        :returns: Boolean. True if show_interface_labels_on_new_project is enabled
--- a/gns3/local_server.py
+++ b/gns3/local_server.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 #
-# Copyright (C) 2016 GNS3 Technologies Inc.
+# Copyright (C) 2021 GNS3 Technologies Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -22,8 +22,6 @@ import stat
 import shlex
 import socket
 import shutil
-import random
-import string
 import struct
 import psutil
 import signal
@@ -31,13 +29,12 @@ import subprocess


 from gns3.qt import QtWidgets, QtCore, qslot
-from gns3.settings import LOCAL_SERVER_SETTINGS, DEFAULT_LOCAL_SERVER_HOST
+from gns3.settings import DEFAULT_CONTROLLER_HOST
 from gns3.local_config import LocalConfig
-from gns3.local_server_config import LocalServerConfig
+from gns3.http_client import HTTPClient
 from gns3.utils.wait_for_connection_worker import WaitForConnectionWorker
 from gns3.utils.progress_dialog import ProgressDialog
 from gns3.utils.sudo import sudo
-from gns3.http_client import HTTPClient
 from gns3.controller import Controller


@@ -94,13 +91,6 @@ class LocalServer(QtCore.QObject):
        self._settings = {}
        self.localServerSettings()
        self._port = self._settings.get("port", 3080)
-        if not self._settings.get("auto_start", True):
-            if self._settings.get("host") is None:
-                self._http_client = HTTPClient(self._settings)
-                Controller.instance().setHttpClient(self._http_client)
-        else:
-            self._http_client = None
-
        self._stopping = False
        self._timer = QtCore.QTimer()
        self._timer.setInterval(5000)
@@ -122,27 +112,6 @@ class LocalServer(QtCore.QObject):
            return MainWindow.instance()
        return self._parent

-    def _checkWindowsService(self, service_name):
-
-        try:
-            import pywintypes
-            import win32service
-            import win32serviceutil
-        except ImportError as e:
-            log.error("Could not check if the {} service is running: {}".format(service_name, e))
-            return
-
-        try:
-            if win32serviceutil.QueryServiceStatus(service_name, None)[1] != win32service.SERVICE_RUNNING:
-                return False
-        except pywintypes.error as e:
-            if e.winerror == 1060:  # service is not installed
-                return False
-            else:
-                log.error("Could not check if the {} service is running: {}".format(service_name, e.strerror))
-
-        return True
-
    def _checkUbridgePermissions(self):
        """
        Checks that uBridge can interact with network interfaces.
@@ -203,12 +172,6 @@ class LocalServer(QtCore.QObject):
                return False
        return True

-    def _passwordGenerate(self):
-        """
-        Generate a random password
-        """
-        return ''.join(random.choice(string.ascii_letters + string.digits) for _ in range(64))
-
    def localServerSettings(self):
        """
        Returns the local server settings.
@@ -216,14 +179,9 @@ class LocalServer(QtCore.QObject):
        :returns: local server settings (dict)
        """

-        settings = LocalServerConfig.instance().loadSettings("Server", LOCAL_SERVER_SETTINGS)
+        settings = Controller.instance().settings()
        self._settings = copy.copy(settings)

-        # user & password
-        if settings["auth"] is True and not settings["user"].strip():
-            settings["user"] = "admin"
-            settings["password"] = self._passwordGenerate()
-
        # local GNS3 server path
        local_server_path = shutil.which(settings["path"].strip())
        if local_server_path is None:
@@ -252,17 +210,17 @@ class LocalServer(QtCore.QObject):
        """

        if "host" in new_settings and new_settings["host"] is None:
-            new_settings["host"] = DEFAULT_LOCAL_SERVER_HOST
+            new_settings["host"] = DEFAULT_CONTROLLER_HOST
        old_settings = copy.copy(self._settings)
        if not self._settings:
            self._settings = new_settings
        else:
            self._settings.update(new_settings)
        self._port = self._settings["port"]
-        LocalServerConfig.instance().saveSettings("Server", self._settings)
+        Controller.instance().setSettings(self._settings)

        # Settings have changed we need to restart the server
-        if old_settings != self._settings:
+        if not Controller.instance().connected() or old_settings != self._settings:
            if self._settings["auto_start"]:
                # We restart the local server only if we really need. Auth can be hot change
                settings_require_restart = ('host', 'port', 'path')
@@ -278,12 +236,8 @@ class LocalServer(QtCore.QObject):
            # If the controller is remote:
            else:
                self.stopLocalServer(wait=True)
-
-            if self._settings.get("host") is None:
-                self._http_client = None
-            else:
-                self._http_client = HTTPClient(self._settings)
-            Controller.instance().setHttpClient(self._http_client)
+                if Controller.instance().isRemote() and not Controller.instance().connected():
+                    Controller.instance().connect()

    def shouldLocalServerAutoStart(self):
        """
@@ -325,29 +279,24 @@ class LocalServer(QtCore.QObject):
        Try to start the embedded gns3 server.
        """

-        if not self.shouldLocalServerAutoStart():
-            self._http_client = HTTPClient(self._settings)
-            Controller.instance().setHttpClient(self._http_client)
-            return
-
-        if self.isLocalServerRunning() and self._server_started_by_me:
+        local_server_already_running = self.isLocalServerRunning()
+        if local_server_already_running and self._server_started_by_me:
            return True

        # We check if two gui are not launched at the same time
        # to avoid killing the server of the other GUI
        if not LocalConfig.isMainGui():
            log.info("Not the main GUI, will not auto start the server")
-            self._http_client = HTTPClient(self._settings)
-            Controller.instance().setHttpClient(self._http_client)
+            Controller.instance().connect()
            return True

-        if self.isLocalServerRunning():
+        if local_server_already_running:
            log.debug("A local server already running on this host")
            # Try to kill the server. The server can be still running after
            # if the server was started by hand
            self._killAlreadyRunningServer()

-        if not self.isLocalServerRunning():
+        if not local_server_already_running:
            if not self.initLocalServer():
                QtWidgets.QMessageBox.critical(self.parent(), "Local server", "Could not start the local server process: {}".format(self._settings["path"]))
                return False
@@ -358,15 +307,14 @@ class LocalServer(QtCore.QObject):
        if self.parent():
            worker = WaitForConnectionWorker(self._settings["host"], self._port)
            progress_dialog = ProgressDialog(worker,
-                                             "Local server",
-                                             "Connecting to server {} on port {}...".format(self._settings["host"], self._port),
+                                             "Local controller",
+                                             "Starting local controller {} on port {}...".format(self._settings["host"], self._port),
                                             "Cancel", busy=True, parent=self.parent())
            progress_dialog.show()
            if not progress_dialog.exec_():
                return False
        self._server_started_by_me = True
-        self._http_client = HTTPClient(self._settings)
-        Controller.instance().setHttpClient(self._http_client)
+        Controller.instance().connect()
        return True

    def initLocalServer(self):
@@ -375,15 +323,6 @@ class LocalServer(QtCore.QObject):
        """

        self._checkUbridgePermissions()
-
-        if sys.platform.startswith("win"):
-            import pywintypes
-            try:
-                if not self._checkWindowsService("npf") and not self._checkWindowsService("npcap"):
-                    log.warning("The NPF or NPCAP service is not installed, please install Winpcap or Npcap and reboot.")
-            except pywintypes.error as e:
-                log.warning("Could not check if the NPF or Npcap service is running: {}".format(e.strerror))
-
        self._port = self._settings["port"]
        # check the local server path
        local_server_path = self.localServerPath()
@@ -476,7 +415,7 @@ class LocalServer(QtCore.QObject):
                    pass
                except OSError as e:
                    log.warning("could not delete server log file {}: {}".format(logpath, e))
-            command += ' --log="{}" --pid="{}"'.format(logpath, self._pid_path())
+            command += ' --logfile="{}" --pid="{}"'.format(logpath, self._pid_path())

        log.debug("Starting local server process with {}".format(command))
        try:
@@ -529,19 +468,8 @@ class LocalServer(QtCore.QObject):
        :returns: boolean
        """

-        status, json_data = HTTPClient(self._settings).getSynchronous("GET", "/version")
-        if status == 401:  # Auth issue that need to be solved later
-            return True
-        elif json_data is None:
-            return False
-        elif status != 200:
-            return False
-        else:
-            version = json_data.get("version", None)
-            if version is None:
-                log.debug("Server is not a GNS3 server")
-                return False
-        return True
+        http_client = HTTPClient(self._settings)
+        return http_client.checkServerRunning()

    def stopLocalServer(self, wait=False):
        """
@@ -552,13 +480,14 @@ class LocalServer(QtCore.QObject):

        if self.localServerProcessIsRunning():
            self._stopping = True
-            log.debug("Stopping local server (PID={})".format(self._local_server_process.pid))
+            log.debug("Stopping local controller (PID={})".format(self._local_server_process.pid))
            # local server is running, let's stop it
-            if self._http_client:
-                self._http_client.shutdown()
+            http_client = Controller.instance().httpClient()
+            if http_client:
+                http_client.shutdown()
            if wait:
                worker = StopLocalServerWorker(self._local_server_process)
-                progress_dialog = ProgressDialog(worker, "Local server", "Waiting for the local server to stop...", None, busy=True, parent=self.parent())
+                progress_dialog = ProgressDialog(worker, "Local server", "Waiting for the local controller to stop...", None, busy=True, parent=self.parent())
                progress_dialog.show()
                progress_dialog.exec_()
                if self._local_server_process.returncode is None:
@@ -581,8 +510,8 @@ class LocalServer(QtCore.QObject):
            self._local_server_process.wait(timeout=60)
        except subprocess.TimeoutExpired:
            proceed = QtWidgets.QMessageBox.question(self.parent(),
-                                                     "Local server",
-                                                     "The Local server cannot be stopped, would you like to kill it?",
+                                                     "Local controller",
+                                                     "The local controller cannot be stopped, would you like to kill it?",
                                                     QtWidgets.QMessageBox.Yes,
                                                     QtWidgets.QMessageBox.No)

--- a/gns3/local_server_config.py
+++ b/gns3/local_server_config.py
@@ -1,163 +0,0 @@
-# -*- coding: utf-8 -*-
-#
-# Copyright (C) 2015 GNS3 Technologies Inc.
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-import os
-import sys
-import configparser
-
-
-import logging
-log = logging.getLogger(__name__)
-
-
-class LocalServerConfig:
-
-    """
-    Local server configuration.
-    """
-
-    def __init__(self, config_file=None):
-
-        appname = "GNS3"
-
-        self._config = configparser.RawConfigParser()
-
-        if config_file:
-            self._config_file = config_file
-        else:
-            if sys.platform.startswith("win"):
-                filename = "gns3_server.ini"
-            else:
-                filename = "gns3_server.conf"
-
-            from .local_config import LocalConfig
-            if sys.platform.startswith("win"):
-                self._config_file = os.path.join(LocalConfig.instance().configDirectory(), filename)
-            else:
-                self._config_file = os.path.join(LocalConfig.instance().configDirectory(), filename)
-
-        try:
-            # create the config file if it doesn't exist
-            open(self._config_file, "a").close()
-        except OSError as e:
-            log.error("Could not create the local server configuration {}: {}".format(self._config_file, e))
-        self.readConfig()
-
-    def setConfigFile(self, path):
-        """
-        Change the location of the server config (use for test)
-        """
-        self._config = configparser.RawConfigParser()
-        self._config_file = path
-        self.readConfig()
-
-    def readConfig(self):
-        """
-        Read the configuration file.
-        """
-
-        try:
-            self._config.read(self._config_file, encoding="utf-8")
-        except (OSError, configparser.Error, UnicodeEncodeError, UnicodeDecodeError) as e:
-            log.error("Could not read the local server configuration {}: {}".format(self._config_file, e))
-
-    def writeConfig(self):
-        """
-        Write the configuration file.
-        """
-
-        try:
-            log.debug("Write configuration file %s", self._config_file)
-            with open(self._config_file, "w", encoding="utf-8") as fp:
-                self._config.write(fp)
-        except (OSError, configparser.Error) as e:
-            log.error("Could not write the local server configuration {}: {}".format(self._config_file, e))
-
-    def loadSettings(self, section, default_settings):
-        """
-        Get all the settings from a given section.
-
-        :param section: section name
-        :param default_settings: setting names and default values (dict)
-
-        :returns: settings (dict)
-        """
-
-        if section not in self._config:
-            self._config[section] = {}
-
-        settings = {}
-        for name, default in default_settings.items():
-            if isinstance(default, bool):
-                settings[name] = self._config[section].getboolean(name, default)
-            elif isinstance(default, int):
-                settings[name] = self._config[section].getint(name, default)
-            elif isinstance(default, float):
-                settings[name] = self._config[section].getfloat(name, default)
-            else:
-                settings[name] = self._config[section].get(name, default)
-                if settings[name] == "None":
-                    settings[name] = None
-
-        # sync with the config file
-        self.saveSettings(section, settings)
-        return settings
-
-    def saveSettings(self, section, settings):
-        """
-        Save all the settings in a given section.
-
-        :param section: section name
-        :param settings: settings to save (dict)
-        """
-
-        changed = False
-        if section not in self._config:
-            self._config[section] = {}
-            changed = True
-
-        for name, value in settings.items():
-            if name not in self._config[section] or self._config[section][name] != str(value):
-                self._config[section][name] = str(value)
-                changed = True
-
-        if changed:
-            self.writeConfig()
-
-    def deleteSetting(self, section, name):
-        """
-        Delete a specific setting in a given section.
-
-        :param section: section name
-        :param name: setting name to delete
-        """
-
-        if section in self._config and name in self._config[section]:
-            del self._config[section][name]
-            self.writeConfig()
-
-    @staticmethod
-    def instance():
-        """
-        Singleton to return only on instance of LocalServerConfig.
-
-        :returns: instance of Config
-        """
-
-        if not hasattr(LocalServerConfig, "_instance"):
-            LocalServerConfig._instance = LocalServerConfig()
-        return LocalServerConfig._instance
--- a/gns3/main.py
+++ b/gns3/main.py
@@ -49,6 +49,7 @@ from gns3.crash_report import CrashReport
 from gns3.local_config import LocalConfig
 from gns3.application import Application
 from gns3.utils import parse_version
+from gns3.utils.install_mime_types import install_mime_types
 from gns3.dialogs.profile_select import ProfileSelectDialog
 from gns3.version import __version__

@@ -119,9 +120,14 @@ def main():
    parser.add_argument("-q", "--quiet", action="store_true", help="do not show logs on stdout")
    parser.add_argument("--config", help="Configuration file")
    parser.add_argument("--profile", help="Settings profile (blank will use default settings files)")
+    parser.add_argument("--install-mime-types", help="Install mime types (Linux only)", action="store_true", default=False)
    options = parser.parse_args()
    exception_file_path = "exceptions.log"

+    if options.install_mime_types:
+        install_mime_types()
+        return
+
    if options.project:
        options.project = os.path.abspath(options.project)

@@ -144,7 +150,6 @@ def main():
                os.path.normpath(os.path.join(frozen_dir, 'dynamips')),
                os.path.normpath(os.path.join(frozen_dir, 'ubridge')),
                os.path.normpath(os.path.join(frozen_dir, 'vpcs')),
-                os.path.normpath(os.path.join(frozen_dir, 'traceng'))
            ]

        os.environ["PATH"] = os.pathsep.join(frozen_dirs) + os.pathsep + os.environ.get("PATH", "")
@@ -184,9 +189,9 @@ def main():
    # catch exceptions to write them in a file
    sys.excepthook = exceptionHook

-    # we only support Python 3 version >= 3.8
-    if sys.version_info < (3, 8):
-        raise SystemExit("Python 3.8 or higher is required")
+    # we only support Python 3 version >= 3.9
+    if sys.version_info < (3, 9):
+        raise SystemExit("Python 3.9 or higher is required")

    if parse_version(QtCore.QT_VERSION_STR) < parse_version("5.5.0"):
        raise SystemExit("Requirement is PyQt5 version 5.5.0 or higher, got version {}".format(QtCore.QT_VERSION_STR))
--- a/gns3/main_window.py
+++ b/gns3/main_window.py
@@ -39,6 +39,7 @@ from .dialogs.snapshots_dialog import SnapshotsDialog
 from .dialogs.export_debug_dialog import ExportDebugDialog
 from .dialogs.doctor_dialog import DoctorDialog
 from .dialogs.edit_project_dialog import EditProjectDialog
+from .dialogs.image_dialog import ImageDialog
 from .dialogs.setup_wizard import SetupWizard
 from .settings import GENERAL_SETTINGS
 from .items.node_item import NodeItem
@@ -85,7 +86,7 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
        self.setupUi(self)
        self.setUnifiedTitleAndToolBarOnMac(True)

-        # These widgets will be disabled when no project is loaded
+        # This widgets will be disabled when you have no project loaded
        self.disableWhenNoProjectWidgets = [
            self.uiGraphicsView,
            self.uiAnnotateMenu,
@@ -99,9 +100,27 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
            self.uiEditProjectAction,
            self.uiDeleteProjectAction,
            self.uiImportExportConfigsAction,
-            self.uiLockAllAction
+            self.uiLockAllAction,
+            self.uiShowReadmeAction
        ]

+        for widget in self.disableWhenNoProjectWidgets:
+            widget.setEnabled(False)
+
+        self.disableWhenControllerNotConnectedWidgets = [
+            self.uiNewProjectAction,
+            self.uiOpenProjectAction,
+            self.uiImportProjectAction,
+            self.uiNewTemplateAction,
+            self.uiImportProjectAction,
+            self.uiOpenApplianceAction,
+            self.uiWebUIAction,
+            self.uiNodesDockWidget
+        ]
+
+        for widget in self.disableWhenControllerNotConnectedWidgets:
+            widget.setEnabled(False)
+
        self._notif_dialog = NotifDialog(self)
        # Setup logger
        logging.getLogger().addHandler(NotifDialogHandler(self._notif_dialog))
@@ -116,8 +135,6 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
        Controller.instance().setParent(self)
        LocalServer.instance().setParent(self)

-        HTTPClient.setProgressCallback(Progress.instance(self))
-
        self._first_file_load = True
        self._open_project_path = None
        self._loadSettings()
@@ -171,7 +188,7 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
        self.uiFileMenu.insertActions(self.uiQuitAction, self.recent_file_actions)
        self.recent_file_actions_separator = self.uiFileMenu.insertSeparator(self.uiQuitAction)
        self.recent_file_actions_separator.setVisible(False)
-        self.updateRecentFileActions()
+        #self.updateRecentFileActions()

        # add recent projects to the File menu
        for i in range(0, self._maxrecent_files):
@@ -207,6 +224,7 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
        self.uiOpenProjectAction.triggered.connect(self.openProjectActionSlot)
        self.uiOpenApplianceAction.triggered.connect(self.openApplianceActionSlot)
        self.uiNewTemplateAction.triggered.connect(self._newTemplateActionSlot)
+        self.uiImageManagementAction.triggered.connect(self._imageManagementActionSlot)
        self.uiSaveProjectAsAction.triggered.connect(self._saveProjectAsActionSlot)
        self.uiExportProjectAction.triggered.connect(self._exportProjectActionSlot)
        self.uiImportProjectAction.triggered.connect(self._importProjectActionSlot)
@@ -231,6 +249,7 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
        self.uiResetPortLabelsAction.triggered.connect(self._resetPortLabelsActionSlot)
        self.uiShowPortNamesAction.triggered.connect(self._showPortNamesActionSlot)
        self.uiShowGridAction.triggered.connect(self._showGridActionSlot)
+        self.uiShowReadmeAction.triggered.connect(self._showReadmeActionSlot)
        self.uiSnapToGridAction.triggered.connect(self._snapToGridActionSlot)
        self.uiLockAllAction.triggered.connect(self._lockActionSlot)
        self.uiResetGUIStateAction.triggered.connect(self._resetGUIState)
@@ -324,7 +343,7 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
    def _openWebInterfaceActionSlot(self):
        if Controller.instance().connected():
            base_url = Controller.instance().httpClient().fullUrl()
-            webui_url = "{}/static/web-ui/bundled".format(base_url)
+            webui_url = f"{base_url}/static/web-ui/bundled"
            QtGui.QDesktopServices.openUrl(QtCore.QUrl(webui_url))

    def _showGridActionSlot(self):
@@ -418,6 +437,15 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
        dialog.show()
        dialog.exec_()

+    def _imageManagementActionSlot(self):
+        """
+        Called when user wants to manage images
+        """
+
+        dialog = ImageDialog(self)
+        dialog.show()
+        dialog.exec_()
+
    @qslot
    def openApplianceActionSlot(self, *args):
        """
@@ -514,7 +542,7 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
            self._appliance_wizard.exec_()
        elif path.endswith(".gns3"):
            if Controller.instance().isRemote():
-                QtWidgets.QMessageBox.critical(self, "Open project", "Cannot open a .gns3 file on a remote server, please use a portable project (.gns3p) instead")
+                QtWidgets.QMessageBox.critical(self, "Open project", "Cannot open a .gns3 file on a remote server, please use a project (.gns3p) instead")
                return
            else:
                Topology.instance().loadProject(path)
@@ -554,6 +582,9 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
        Refresh widgets that should be visible or not
        """

+        for widget in self.disableWhenControllerNotConnectedWidgets:
+            widget.setEnabled(Controller.instance().connected())
+
        # No projects
        if Topology.instance().project() is None:
            for widget in self.disableWhenNoProjectWidgets:
@@ -973,12 +1004,9 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
        Slot to open the setup wizard.
        """

-        with Progress.instance().context(min_duration=0):
-            setup_wizard = SetupWizard(self)
-            setup_wizard.show()
-            res = setup_wizard.exec_()
-            # start and connect to the local server if needed
-            LocalServer.instance().localServerAutoStartIfRequired()
+        setup_wizard = SetupWizard(self)
+        setup_wizard.show()
+        setup_wizard.exec_()

    def _shortcutsActionSlot(self):

@@ -1121,6 +1149,12 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
        """
        Topology.instance().editReadme()

+    def _showReadmeActionSlot(self):
+        """
+        Slot to show the README file
+        """
+        Topology.instance().showReadme()
+
    def resizeEvent(self, event):
        self._notif_dialog.resize()
        super().resizeEvent(event)
@@ -1261,13 +1295,11 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
        if not self._settings["hide_setup_wizard"]:
            self._setupWizardActionSlot()
        else:
-            # start and connect to the local server if needed
-            LocalServer.instance().localServerAutoStartIfRequired()
-            if self._open_file_at_startup:
-                self.loadPath(self._open_file_at_startup)
-                self._open_file_at_startup = None
-            elif Topology.instance().project() is None:
-                self._newProjectActionSlot()
+            if Controller.instance().isRemote():
+                Controller.instance().connect()
+            else:
+                # start and connect to the local server if needed
+                LocalServer.instance().localServerAutoStartIfRequired()

        if self._settings["check_for_update"]:
            # automatic check for update every week (604800 seconds)
@@ -1420,9 +1452,17 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
            self.recent_file_actions_separator.setVisible(False)

    def _controllerConnectedSlot(self):
+
        self.updateRecentFileActions()
        self._refreshVisibleWidgets()

+        if self._settings["hide_setup_wizard"]:
+            if self._open_file_at_startup:
+                self.loadPath(self._open_file_at_startup)
+                self._open_file_at_startup = None
+            elif Topology.instance().project() is None and QtWidgets.QApplication.activeModalWidget() is None:
+                self._newProjectActionSlot()
+
    def run_later(self, counter, callback):
        """
        Run a function after X milliseconds
@@ -1435,20 +1475,20 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):

    def _exportProjectActionSlot(self):
        """
-        Slot called to export a portable project
+        Slot called to export a project
        """

        Topology.instance().exportProject()

    def _importProjectActionSlot(self):
        """
-        Slot called to import a portable project
+        Slot called to import a project
        """

        directory = self._portable_project_dir
        if not os.path.exists(directory):
            directory = Topology.instance().projectsDirPath()
-        path, _ = QtWidgets.QFileDialog.getOpenFileName(self, "Open portable project", directory,
+        path, _ = QtWidgets.QFileDialog.getOpenFileName(self, "Open project", directory,
                                                        "All files (*);;GNS3 Portable Project (*.gns3project *.gns3p)",
                                                        "GNS3 Portable Project (*.gns3project *.gns3p)")
        if path:
--- a/gns3/modules/init.py
+++ b/gns3/modules/init.py
@@ -19,12 +19,9 @@ from gns3.modules.builtin import Builtin
 from gns3.modules.dynamips import Dynamips
 from gns3.modules.iou import IOU
 from gns3.modules.vpcs import VPCS
-from gns3.modules.traceng import TraceNG
 from gns3.modules.virtualbox import VirtualBox
 from gns3.modules.qemu import Qemu
 from gns3.modules.vmware import VMware
 from gns3.modules.docker import Docker

-#MODULES = [Builtin, VPCS, Dynamips, IOU, Qemu, VirtualBox, VMware, Docker, TraceNG]
-#FIXME: deactivate TraceNG module
 MODULES = [Builtin, VPCS, Dynamips, IOU, Qemu, VirtualBox, VMware, Docker]
--- a/gns3/modules/builtin/init.py
+++ b/gns3/modules/builtin/init.py
@@ -19,9 +19,7 @@
 Built-in module implementation.
 """

-from gns3.qt import QtWidgets
 from gns3.local_config import LocalConfig
-from gns3.local_server_config import LocalServerConfig

 from ..module import Module
 from .cloud import Cloud
@@ -53,14 +51,15 @@ class Builtin(Module):

        LocalConfig.instance().saveSectionSettings(self.__class__.__name__, self._settings)

-        server_settings = {}
-        config = LocalServerConfig.instance()
-        if self._settings["default_nat_interface"]:
-            # save some settings to the local server config file
-            server_settings["default_nat_interface"] = self._settings["default_nat_interface"]
-            config.saveSettings(self.__class__.__name__, server_settings)
-        else:
-            config.deleteSetting(self.__class__.__name__, "default_nat_interface")
+        # FIXME: handle server side config
+        # server_settings = {}
+        # config = LocalServerConfig.instance()
+        # if self._settings["default_nat_interface"]:
+        #     # save some settings to the local server config file
+        #     server_settings["default_nat_interface"] = self._settings["default_nat_interface"]
+        #     config.saveSettings(self.__class__.__name__, server_settings)
+        # else:
+        #     config.deleteSetting(self.__class__.__name__, "default_nat_interface")

    def _loadSettings(self):
        """
--- a/gns3/modules/builtin/atm_switch.py
+++ b/gns3/modules/builtin/atm_switch.py
@@ -53,7 +53,7 @@ class ATMSwitch(Node):

        info = """ATM switch {name} is always-on
  Running on server {host} with port {port}
-  Local ID is {id} and server ID is {node_id}
+  Local ID is {id} and node ID is {node_id}
  Hardware is Dynamips emulated simple ATM switch
 """.format(name=self.name(),
           id=self.id(),
--- a/gns3/modules/builtin/cloud.py
+++ b/gns3/modules/builtin/cloud.py
@@ -42,6 +42,7 @@ class Cloud(Node):
        self._always_on = True
        self._interfaces = {}
        self._cloud_settings = {"ports_mapping": [],
+                                "usage": "",
                                "remote_console_host": CLOUD_SETTINGS["remote_console_host"],
                                "remote_console_port": CLOUD_SETTINGS["remote_console_port"],
                                "remote_console_type": CLOUD_SETTINGS["remote_console_type"],
@@ -139,7 +140,8 @@ class Cloud(Node):
                port_info += "   Port {name} {description}\n".format(name=port.name(),
                                                                     description=port.description())

-        return info + port_info
+        usage = "\n" + self._settings.get("usage")
+        return info + port_info + usage

    def configPage(self):
        """
--- a/gns3/modules/builtin/dialogs/cloud_wizard.py
+++ b/gns3/modules/builtin/dialogs/cloud_wizard.py
@@ -48,7 +48,7 @@ class CloudWizard(VMWizard, Ui_CloudNodeWizard):
        """

        settings = {"name": self.uiNameLineEdit.text(),
-                    "symbol": ":/symbols/cloud.svg",
+                    "symbol": "cloud",
                    "compute_id": self._compute_id}

        return settings
--- a/gns3/modules/builtin/dialogs/ethernet_hub_wizard.py
+++ b/gns3/modules/builtin/dialogs/ethernet_hub_wizard.py
@@ -54,7 +54,7 @@ class EthernetHubWizard(VMWizard, Ui_EthernetHubWizard):
                          "name": "Ethernet{}".format(port_number)})

        settings = {"name": self.uiNameLineEdit.text(),
-                    "symbol": ":/symbols/hub.svg",
+                    "symbol": "hub",
                    "category": Node.switches,
                    "compute_id": self._compute_id,
                    "ports_mapping": ports}
--- a/gns3/modules/builtin/dialogs/ethernet_switch_wizard.py
+++ b/gns3/modules/builtin/dialogs/ethernet_switch_wizard.py
@@ -54,10 +54,10 @@ class EthernetSwitchWizard(VMWizard, Ui_EthernetSwitchWizard):
                          "name": "Ethernet{}".format(port_number),
                          "type": "access",
                          "vlan": 1,
-                          "ethertype": ""})
+                          "ethertype": "0x8100"})

        settings = {"name": self.uiNameLineEdit.text(),
-                    "symbol": ":/symbols/ethernet_switch.svg",
+                    "symbol": "ethernet_switch",
                    "category": Node.switches,
                    "compute_id": self._compute_id,
                    "ports_mapping": ports}
--- a/gns3/modules/builtin/ethernet_hub.py
+++ b/gns3/modules/builtin/ethernet_hub.py
@@ -49,7 +49,7 @@ class EthernetHub(Node):

        info = """Ethernet hub {name} is always-on
  Running on server {host} with port {port}
-  Local ID is {id} and server ID is {node_id}
+  Local ID is {id} and node ID is {node_id}
 """.format(name=self.name(),
           id=self.id(),
           node_id=self._node_id,
--- a/gns3/modules/builtin/ethernet_switch.py
+++ b/gns3/modules/builtin/ethernet_switch.py
@@ -49,7 +49,7 @@ class EthernetSwitch(Node):

        info = """Ethernet switch {name} is always-on
  Running on server {host} with port {port}
-  Local ID is {id} and server ID is {node_id}
+  Local ID is {id} and node ID is {node_id}
  Console is on port {console} and type is {console_type}
 """.format(name=self.name(),
           id=self.id(),
--- a/gns3/modules/builtin/frame_relay_switch.py
+++ b/gns3/modules/builtin/frame_relay_switch.py
@@ -50,7 +50,7 @@ class FrameRelaySwitch(Node):

        info = """Frame relay switch {name} is always-on
  Running on server {host} with port {port}
-  Local ID is {id} and server ID is {node_id}
+  Local ID is {id} and node ID is {node_id}
  Hardware is Dynamips emulated simple Frame relay switch
 """.format(name=self.name(),
           id=self.id(),
--- a/gns3/modules/builtin/pages/cloud_configuration_page.py
+++ b/gns3/modules/builtin/pages/cloud_configuration_page.py
@@ -473,9 +473,13 @@ class CloudConfigurationPage(QtWidgets.QWidget, Ui_cloudConfigPageWidget):
            if index != -1:
                self.uiCategoryComboBox.setCurrentIndex(index)

-            Controller.instance().getCompute("/network/interfaces", settings["compute_id"],
-                                             self._getInterfacesFromServerCallback,
-                                             progressText="Retrieving network interfaces...")
+            Controller.instance().getCompute(
+                "/network/interfaces",
+                settings["compute_id"],
+                self._getInterfacesFromServerCallback,
+                progress_text="Retrieving network interfaces...",
+                wait=True
+            )

        else:
            self.uiDefaultNameFormatLabel.hide()
@@ -490,6 +494,7 @@ class CloudConfigurationPage(QtWidgets.QWidget, Ui_cloudConfigPageWidget):
            self._interfaces = self._node.interfaces()
            self._loadNetworkInterfaces(self._interfaces)

+        self.uiUsageTextEdit.setPlainText(settings["usage"])
        # load the current ports
        self._ports = []
        self.uiEthernetListWidget.clear()
@@ -560,4 +565,6 @@ class CloudConfigurationPage(QtWidgets.QWidget, Ui_cloudConfigPageWidget):
            settings["ports_mapping"] = self._ports
        else:
            settings["ports_mapping"] = self._ports
+
+        settings["usage"] = self.uiUsageTextEdit.toPlainText()
        return settings
--- a/gns3/modules/builtin/pages/cloud_preferences_page.py
+++ b/gns3/modules/builtin/pages/cloud_preferences_page.py
@@ -87,7 +87,15 @@ class CloudPreferencesPage(QtWidgets.QWidget, Ui_CloudPreferencesPageWidget):
        QtWidgets.QTreeWidgetItem(section_item, ["Console type:", cloud_node["remote_console_type"]])
        QtWidgets.QTreeWidgetItem(section_item, ["Default name format:", cloud_node["default_name_format"]])
        try:
-            QtWidgets.QTreeWidgetItem(section_item, ["Server:", ComputeManager.instance().getCompute(cloud_node["compute_id"]).name()])
+            compute_id = cloud_node.get("compute_id")
+            if compute_id:
+                QtWidgets.QTreeWidgetItem(section_item, ["Compute:", ComputeManager.instance().getCompute(compute_id).name()])
+            else:
+                if Controller.instance().settings()["dynamic_compute_allocation"]:
+                    msg = "Dynamically allocated by the controller"
+                else:
+                    msg = "Manually chosen"
+                QtWidgets.QTreeWidgetItem(section_item, ["Compute:", msg])
        except KeyError:
            pass

--- a/gns3/modules/builtin/pages/ethernet_hub_preferences_page.py
+++ b/gns3/modules/builtin/pages/ethernet_hub_preferences_page.py
@@ -83,7 +83,15 @@ class EthernetHubPreferencesPage(QtWidgets.QWidget, Ui_EthernetHubPreferencesPag
        QtWidgets.QTreeWidgetItem(section_item, ["Template ID:", ethernet_hub.get("template_id", "none")])
        QtWidgets.QTreeWidgetItem(section_item, ["Default name format:", ethernet_hub["default_name_format"]])
        try:
-            QtWidgets.QTreeWidgetItem(section_item, ["Server:", ComputeManager.instance().getCompute(ethernet_hub["compute_id"]).name()])
+            compute_id = ethernet_hub.get("compute_id")
+            if compute_id:
+                QtWidgets.QTreeWidgetItem(section_item, ["Compute:", ComputeManager.instance().getCompute(compute_id).name()])
+            else:
+                if Controller.instance().settings()["dynamic_compute_allocation"]:
+                    msg = "Dynamically allocated by the controller"
+                else:
+                    msg = "Manually chosen"
+                QtWidgets.QTreeWidgetItem(section_item, ["Compute:", msg])
        except KeyError:
            pass
        QtWidgets.QTreeWidgetItem(section_item, ["Number of ports:", str(len(ethernet_hub["ports_mapping"]))])
--- a/gns3/modules/builtin/pages/ethernet_switch_configuration_page.py
+++ b/gns3/modules/builtin/pages/ethernet_switch_configuration_page.py
@@ -127,14 +127,15 @@ class EthernetSwitchConfigurationPage(QtWidgets.QWidget, Ui_ethernetSwitchConfig
        if port_type == "qinq":
            port_ethertype = self.uiPortEtherTypeComboBox.currentText()
        else:
-            port_ethertype = ""
+            port_ethertype = "0x8100"

        if port in self._ports:
            # update a given entry in the tree widget
            item = self.uiPortsTreeWidget.findItems(str(port), QtCore.Qt.MatchFixedString)[0]
            item.setText(1, str(vlan))
            item.setText(2, port_type)
-            item.setText(3, port_ethertype)
+            if port_ethertype:
+                item.setText(3, port_ethertype)

        else:
            # add a new entry in the tree widget
@@ -142,7 +143,8 @@ class EthernetSwitchConfigurationPage(QtWidgets.QWidget, Ui_ethernetSwitchConfig
            item.setText(0, str(port))
            item.setText(1, str(vlan))
            item.setText(2, port_type)
-            item.setText(3, port_ethertype)
+            if port_ethertype:
+                item.setText(3, port_ethertype)
            self.uiPortsTreeWidget.addTopLevelItem(item)

        self._ports[port] = {"name": "Ethernet{}".format(port),
@@ -224,7 +226,9 @@ class EthernetSwitchConfigurationPage(QtWidgets.QWidget, Ui_ethernetSwitchConfig
            item.setText(0, str(port_info["port_number"]))
            item.setText(1, str(port_info.get("vlan", 1)))
            item.setText(2, port_info.get("type", "access"))
-            item.setText(3, port_info.get("ethertype", ""))
+            port_ethertype = port_info.get("ethertype")
+            if port_ethertype:
+                item.setText(3, port_ethertype)
            self.uiPortsTreeWidget.addTopLevelItem(item)
            self._ports[port_info["port_number"]] = port_info

--- a/gns3/modules/builtin/pages/ethernet_switch_preferences_page.py
+++ b/gns3/modules/builtin/pages/ethernet_switch_preferences_page.py
@@ -82,7 +82,15 @@ class EthernetSwitchPreferencesPage(QtWidgets.QWidget, Ui_EthernetSwitchPreferen
        QtWidgets.QTreeWidgetItem(section_item, ["Template ID:", ethernet_switch.get("template_id", "none")])
        QtWidgets.QTreeWidgetItem(section_item, ["Default name format:", ethernet_switch["default_name_format"]])
        try:
-            QtWidgets.QTreeWidgetItem(section_item, ["Server:", ComputeManager.instance().getCompute(ethernet_switch["compute_id"]).name()])
+            compute_id = ethernet_switch.get("compute_id")
+            if compute_id:
+                QtWidgets.QTreeWidgetItem(section_item, ["Compute:", ComputeManager.instance().getCompute(compute_id).name()])
+            else:
+                if Controller.instance().settings()["dynamic_compute_allocation"]:
+                    msg = "Dynamically allocated by the controller"
+                else:
+                    msg = "Manually chosen"
+                QtWidgets.QTreeWidgetItem(section_item, ["Compute:", msg])
        except KeyError:
            pass

--- a/gns3/modules/builtin/settings.py
+++ b/gns3/modules/builtin/settings.py
@@ -34,12 +34,13 @@ BUILTIN_SETTINGS = {

 CLOUD_SETTINGS = {
    "name": "",
+    "usage": "",
    "remote_console_host": "127.0.0.1",
    "remote_console_port": 23,
    "remote_console_type": "none",
    "remote_console_http_path": "/",
    "default_name_format": "Cloud{0}",
-    "symbol": ":/symbols/cloud.svg",
+    "symbol": "cloud",
    "category": Node.end_devices,
    "ports_mapping": [],
    "node_type": "cloud"
@@ -48,7 +49,7 @@ CLOUD_SETTINGS = {
 ETHERNET_HUB_SETTINGS = {
    "name": "",
    "default_name_format": "Hub{0}",
-    "symbol": ":/symbols/hub.svg",
+    "symbol": "hub",
    "category": Node.switches,
    "ports_mapping": [],
    "node_type": "ethernet_hub"
@@ -57,7 +58,7 @@ ETHERNET_HUB_SETTINGS = {
 ETHERNET_SWITCH_SETTINGS = {
    "name": "",
    "default_name_format": "Switch{0}",
-    "symbol": ":/symbols/ethernet_switch.svg",
+    "symbol": "ethernet_switch",
    "category": Node.switches,
    "console_type": "none",
    "ports_mapping": [],
--- a/gns3/modules/builtin/ui/cloud_configuration_page.ui
+++ b/gns3/modules/builtin/ui/cloud_configuration_page.ui
@@ -6,8 +6,8 @@
   <rect>
    <x>0</x>
    <y>0</y>
-    <width>979</width>
-    <height>564</height>
+    <width>1034</width>
+    <height>575</height>
   </rect>
  </property>
  <property name="windowTitle">
@@ -555,6 +555,16 @@
      <zorder>uiConsoleTypeLabel</zorder>
      <zorder>uiConsoleTypeComboBox</zorder>
     </widget>
+     <widget class="QWidget" name="tab">
+      <attribute name="title">
+       <string>Usage</string>
+      </attribute>
+      <layout class="QVBoxLayout" name="verticalLayout_3">
+       <item>
+        <widget class="QPlainTextEdit" name="uiUsageTextEdit"/>
+       </item>
+      </layout>
+     </widget>
    </widget>
   </item>
  </layout>
--- a/gns3/modules/builtin/ui/cloud_configuration_page_ui.py
+++ b/gns3/modules/builtin/ui/cloud_configuration_page_ui.py
@@ -2,16 +2,19 @@

 # Form implementation generated from reading ui file '/home/grossmj/PycharmProjects/gns3-gui/gns3/modules/builtin/ui/cloud_configuration_page.ui'
 #
-# Created by: PyQt5 UI code generator 5.11.3
+# Created by: PyQt5 UI code generator 5.15.0
 #
-# WARNING! All changes made in this file will be lost!
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.
+

 from PyQt5 import QtCore, QtGui, QtWidgets

+
 class Ui_cloudConfigPageWidget(object):
    def setupUi(self, cloudConfigPageWidget):
        cloudConfigPageWidget.setObjectName("cloudConfigPageWidget")
-        cloudConfigPageWidget.resize(979, 564)
+        cloudConfigPageWidget.resize(1034, 575)
        self.verticalLayout = QtWidgets.QVBoxLayout(cloudConfigPageWidget)
        self.verticalLayout.setObjectName("verticalLayout")
        self.uiTabWidget = QtWidgets.QTabWidget(cloudConfigPageWidget)
@@ -281,6 +284,14 @@ class Ui_cloudConfigPageWidget(object):
        self.uiConsoleTypeLabel.raise_()
        self.uiConsoleTypeComboBox.raise_()
        self.uiTabWidget.addTab(self.MiscTab, "")
+        self.tab = QtWidgets.QWidget()
+        self.tab.setObjectName("tab")
+        self.verticalLayout_3 = QtWidgets.QVBoxLayout(self.tab)
+        self.verticalLayout_3.setObjectName("verticalLayout_3")
+        self.uiUsageTextEdit = QtWidgets.QPlainTextEdit(self.tab)
+        self.uiUsageTextEdit.setObjectName("uiUsageTextEdit")
+        self.verticalLayout_3.addWidget(self.uiUsageTextEdit)
+        self.uiTabWidget.addTab(self.tab, "")
        self.verticalLayout.addWidget(self.uiTabWidget)

        self.retranslateUi(cloudConfigPageWidget)
@@ -335,4 +346,4 @@ class Ui_cloudConfigPageWidget(object):
        self.uiConsoleTypeComboBox.setItemText(4, _translate("cloudConfigPageWidget", "https"))
        self.uiConsoleTypeComboBox.setItemText(5, _translate("cloudConfigPageWidget", "none"))
        self.uiTabWidget.setTabText(self.uiTabWidget.indexOf(self.MiscTab), _translate("cloudConfigPageWidget", "Misc."))
-
+        self.uiTabWidget.setTabText(self.uiTabWidget.indexOf(self.tab), _translate("cloudConfigPageWidget", "Usage"))
--- a/gns3/modules/docker/dialogs/docker_vm_wizard.py
+++ b/gns3/modules/docker/dialogs/docker_vm_wizard.py
@@ -39,7 +39,7 @@ class DockerVMWizard(VMWizard, Ui_DockerVMWizard):

        super().__init__(docker_containers, parent)
        self._docker_containers = docker_containers
-        self.setPixmap(QtWidgets.QWizard.LogoPixmap, QtGui.QPixmap(":/icons/docker.png"))
+        self.setPixmap(QtWidgets.QWizard.LogoPixmap, QtGui.QPixmap(":/symbols/docker_guest.svg"))

        self.uiNewImageRadioButton.setChecked(True)
        self._existingImageRadioButtonToggledSlot(False)
--- a/gns3/modules/docker/docker_vm.py
+++ b/gns3/modules/docker/docker_vm.py
@@ -46,14 +46,17 @@ class DockerVM(Node):
                              "custom_adapters": DOCKER_CONTAINER_SETTINGS["custom_adapters"],
                              "start_command": DOCKER_CONTAINER_SETTINGS["start_command"],
                              "environment": DOCKER_CONTAINER_SETTINGS["environment"],
-                              "aux": None,
                              "console_type": DOCKER_CONTAINER_SETTINGS["console_type"],
                              "console_auto_start": DOCKER_CONTAINER_SETTINGS["console_auto_start"],
+                              "aux_type": DOCKER_CONTAINER_SETTINGS["aux_type"],
                              "console_resolution": DOCKER_CONTAINER_SETTINGS["console_resolution"],
                              "console_http_port": DOCKER_CONTAINER_SETTINGS["console_http_port"],
                              "console_http_path": DOCKER_CONTAINER_SETTINGS["console_http_path"],
                              "extra_hosts": DOCKER_CONTAINER_SETTINGS["extra_hosts"],
-                              "extra_volumes": DOCKER_CONTAINER_SETTINGS["extra_volumes"]}
+                              "extra_volumes": DOCKER_CONTAINER_SETTINGS["extra_volumes"],
+                              "memory": DOCKER_CONTAINER_SETTINGS["memory"],
+                              "cpus": DOCKER_CONTAINER_SETTINGS["cpus"],
+                              }

        self.settings().update(docker_vm_settings)

@@ -66,9 +69,10 @@ class DockerVM(Node):

        info = """Docker container {name} is {state}
  Running on server {host} with port {port}
-  Local ID is {id} and server ID is {node_id}
+  Local ID is {id} and node ID is {node_id}
  Docker image is "{image}"
  Console is on port {console} and type is {console_type}
+  Aux console is on port {aux} and type is {aux_type}
 """.format(name=self.name(),
           id=self.id(),
           node_id=self._node_id,
@@ -77,6 +81,8 @@ class DockerVM(Node):
           port=self.compute().port(),
           console=self._settings["console"],
           console_type=self._settings["console_type"],
+           aux=self._settings["aux"],
+           aux_type=self._settings["aux_type"],
           image=self._settings["image"])

        port_info = ""
@@ -120,18 +126,6 @@ class DockerVM(Node):
        from .pages.docker_vm_configuration_page import DockerVMConfigurationPage
        return DockerVMConfigurationPage

-    @staticmethod
-    def validateHostname(hostname):
-        """
-        Checks if the hostname is valid.
-
-        :param hostname: hostname to check
-
-        :returns: boolean
-        """
-
-        return DockerVM.isValidRfc1123Hostname(hostname)
-
    @staticmethod
    def defaultSymbol():
        """
--- a/gns3/modules/docker/pages/docker_vm_configuration_page.py
+++ b/gns3/modules/docker/pages/docker_vm_configuration_page.py
@@ -112,11 +112,14 @@ class DockerVMConfigurationPage(QtWidgets.QWidget, Ui_dockerVMConfigPageWidget):
        self.uiEnvironmentTextEdit.setText(settings["environment"])
        self.uiConsoleTypeComboBox.setCurrentIndex(self.uiConsoleTypeComboBox.findText(settings["console_type"]))
        self.uiConsoleAutoStartCheckBox.setChecked(settings["console_auto_start"])
+        self.uiAuxTypeComboBox.setCurrentIndex(self.uiAuxTypeComboBox.findText(settings["aux_type"]))
        self.uiConsoleResolutionComboBox.setCurrentIndex(self.uiConsoleResolutionComboBox.findText(settings["console_resolution"]))
        self.uiConsoleHttpPortSpinBox.setValue(settings["console_http_port"])
        self.uiHttpConsolePathLineEdit.setText(settings["console_http_path"])
        self.uiExtraHostsTextEdit.setPlainText(settings["extra_hosts"])
        self.uiExtraVolumeTextEdit.setPlainText("\n".join(settings["extra_volumes"]))
+        self.uiMaxMemorySpinBox.setValue(settings["memory"])
+        self.uiMaxCPUsDoubleSpinBox.setValue(settings["cpus"])

        if not group:
            self.uiNameLineEdit.setText(settings["name"])
@@ -191,12 +194,15 @@ class DockerVMConfigurationPage(QtWidgets.QWidget, Ui_dockerVMConfigPageWidget):
        settings["environment"] = self.uiEnvironmentTextEdit.toPlainText()
        settings["console_type"] = self.uiConsoleTypeComboBox.currentText()
        settings["console_auto_start"] = self.uiConsoleAutoStartCheckBox.isChecked()
+        settings["aux_type"] = self.uiAuxTypeComboBox.currentText()
        settings["console_resolution"] = self.uiConsoleResolutionComboBox.currentText()
        settings["console_http_port"] = self.uiConsoleHttpPortSpinBox.value()
        settings["console_http_path"] = self.uiHttpConsolePathLineEdit.text()
        settings["extra_hosts"] = self.uiExtraHostsTextEdit.toPlainText()
        # only tidy input here, validation is performed server side
        settings["extra_volumes"] = [ y for x in self.uiExtraVolumeTextEdit.toPlainText().split("\n") for y in [ x.strip() ] if y ]
+        settings["memory"] = self.uiMaxMemorySpinBox.value()
+        settings["cpus"] = round(self.uiMaxCPUsDoubleSpinBox.value(), self.uiMaxCPUsDoubleSpinBox.decimals())

        if not group:
            adapters = self.uiAdapterSpinBox.value()
--- a/gns3/modules/docker/pages/docker_vm_preferences_page.py
+++ b/gns3/modules/docker/pages/docker_vm_preferences_page.py
@@ -81,21 +81,32 @@ class DockerVMPreferencesPage(QtWidgets.QWidget, Ui_DockerVMPreferencesPageWidge
        QtWidgets.QTreeWidgetItem(section_item, ["Template ID:", docker_container.get("template_id", "none")])
        QtWidgets.QTreeWidgetItem(section_item, ["Image name:", docker_container["image"]])
        try:
-            QtWidgets.QTreeWidgetItem(section_item, ["Server:", ComputeManager.instance().getCompute(docker_container["compute_id"]).name()])
+            compute_id = docker_container.get("compute_id")
+            if compute_id:
+                QtWidgets.QTreeWidgetItem(section_item, ["Compute:", ComputeManager.instance().getCompute(compute_id).name()])
+            else:
+                if Controller.instance().settings()["dynamic_compute_allocation"]:
+                    msg = "Dynamically allocated by the controller"
+                else:
+                    msg = "Manually chosen"
+                QtWidgets.QTreeWidgetItem(section_item, ["Compute:", msg])
        except KeyError:
            pass
        QtWidgets.QTreeWidgetItem(section_item, ["Console type:", str(docker_container["console_type"])])
        QtWidgets.QTreeWidgetItem(section_item, ["Auto start console:", "{}".format(docker_container["console_auto_start"])])
+        QtWidgets.QTreeWidgetItem(section_item, ["Auxiliary console type:", str(docker_container["aux_type"])])
        QtWidgets.QTreeWidgetItem(section_item, ["Default name format:", docker_container["default_name_format"]])
        QtWidgets.QTreeWidgetItem(section_item, ["Adapters:", str(docker_container["adapters"])])
+        if docker_container["cpus"]:
+            QtWidgets.QTreeWidgetItem(section_item, ["CPUs:", str(docker_container["cpus"])])
+        if docker_container["memory"]:
+            QtWidgets.QTreeWidgetItem(section_item, ["Memory:", str(docker_container["memory"]) + " MB"])
        if docker_container["start_command"]:
            QtWidgets.QTreeWidgetItem(section_item, ["Start command:", str(docker_container["start_command"])])
        if docker_container["environment"]:
            QtWidgets.QTreeWidgetItem(section_item, ["Environment:", str(docker_container["environment"])])
-
        if docker_container["extra_hosts"]:
            QtWidgets.QTreeWidgetItem(section_item, ["Extra hosts:", str(docker_container["extra_hosts"])])
-
        if docker_container["extra_volumes"]:
            QtWidgets.QTreeWidgetItem(section_item, ["Extra volumes:", "\n".join(docker_container["extra_volumes"])])

--- a/gns3/modules/docker/settings.py
+++ b/gns3/modules/docker/settings.py
@@ -29,7 +29,7 @@ DOCKER_SETTINGS = {
 DOCKER_CONTAINER_SETTINGS = {
    "default_name_format": "{name}-{0}",
    "usage": "",
-    "symbol": ":/symbols/docker_guest.svg",
+    "symbol": "docker_guest",
    "category": Node.end_devices,
    "start_command": "",
    "name": "",
@@ -40,10 +40,13 @@ DOCKER_CONTAINER_SETTINGS = {
    "environment": "",
    "console_type": "telnet",
    "console_auto_start": False,
+    "aux_type": "none",
    "console_resolution": "1024x768",
    "console_http_port": 80,
    "console_http_path": "/",
    "extra_hosts": "",
    "extra_volumes": [],
+    "memory": 0,
+    "cpus": 0,
    "node_type": "docker"
 }
--- a/gns3/modules/docker/ui/docker_vm_configuration_page.ui
+++ b/gns3/modules/docker/ui/docker_vm_configuration_page.ui
@@ -6,8 +6,8 @@
   <rect>
    <x>0</x>
    <y>0</y>
-    <width>504</width>
-    <height>560</height>
+    <width>649</width>
+    <height>718</height>
   </rect>
  </property>
  <property name="windowTitle">
@@ -127,13 +127,50 @@
        </widget>
       </item>
       <item row="8" column="0">
+        <widget class="QLabel" name="uiMaxMemoryLabel">
+         <property name="text">
+          <string>Maximum memory:</string>
+         </property>
+        </widget>
+       </item>
+       <item row="8" column="1">
+        <widget class="QSpinBox" name="uiMaxMemorySpinBox">
+         <property name="suffix">
+          <string> MB</string>
+         </property>
+         <property name="maximum">
+          <number>65535</number>
+         </property>
+         <property name="singleStep">
+          <number>32</number>
+         </property>
+        </widget>
+       </item>
+       <item row="9" column="0">
+        <widget class="QLabel" name="uiMaxCPUsLabel">
+         <property name="text">
+          <string>Maximum CPUs:</string>
+         </property>
+        </widget>
+       </item>
+       <item row="9" column="1">
+        <widget class="QDoubleSpinBox" name="uiMaxCPUsDoubleSpinBox">
+         <property name="decimals">
+          <number>1</number>
+         </property>
+         <property name="singleStep">
+          <double>0.100000000000000</double>
+         </property>
+        </widget>
+       </item>
+       <item row="10" column="0">
        <widget class="QLabel" name="uiConsoleTypeLabel">
         <property name="text">
          <string>Console type:</string>
         </property>
        </widget>
       </item>
-       <item row="8" column="1">
+       <item row="10" column="1">
        <layout class="QHBoxLayout" name="horizontalLayout">
         <property name="sizeConstraint">
          <enum>QLayout::SetNoConstraint</enum>
@@ -176,14 +213,35 @@
         </item>
        </layout>
       </item>
-       <item row="9" column="0">
+       <item row="11" column="0">
+        <widget class="QLabel" name="uiAuxTypeLabel">
+         <property name="text">
+          <string>Auxiliary console type:</string>
+         </property>
+        </widget>
+       </item>
+       <item row="11" column="1">
+        <widget class="QComboBox" name="uiAuxTypeComboBox">
+         <item>
+          <property name="text">
+           <string>telnet</string>
+          </property>
+         </item>
+         <item>
+          <property name="text">
+           <string>none</string>
+          </property>
+         </item>
+        </widget>
+       </item>
+       <item row="12" column="0">
        <widget class="QLabel" name="uiConsoleResolutionLabel">
         <property name="text">
          <string>VNC console resolution:</string>
         </property>
        </widget>
       </item>
-       <item row="9" column="1">
+       <item row="12" column="1">
        <widget class="QComboBox" name="uiConsoleResolutionComboBox">
         <item>
          <property name="text">
@@ -237,14 +295,14 @@
         </item>
        </widget>
       </item>
-       <item row="10" column="0">
+       <item row="13" column="0">
        <widget class="QLabel" name="label">
         <property name="text">
          <string>HTTP port in the container:</string>
         </property>
        </widget>
       </item>
-       <item row="10" column="1">
+       <item row="13" column="1">
        <widget class="QSpinBox" name="uiConsoleHttpPortSpinBox">
         <property name="minimum">
          <number>1</number>
@@ -254,17 +312,17 @@
         </property>
        </widget>
       </item>
-       <item row="11" column="0">
+       <item row="14" column="0">
        <widget class="QLabel" name="label_2">
         <property name="text">
          <string>HTTP path:</string>
         </property>
        </widget>
       </item>
-       <item row="11" column="1">
+       <item row="14" column="1">
        <widget class="QLineEdit" name="uiHttpConsolePathLineEdit"/>
       </item>
-       <item row="12" column="0">
+       <item row="15" column="0">
        <widget class="QLabel" name="uiEnvironmentLabel">
         <property name="text">
          <string>Environment variables:
@@ -278,17 +336,17 @@
         </property>
        </widget>
       </item>
-       <item row="12" column="1">
+       <item row="15" column="1">
        <widget class="QTextEdit" name="uiEnvironmentTextEdit"/>
       </item>
-       <item row="13" column="0">
+       <item row="16" column="0">
        <widget class="QLabel" name="uiNetworkConfigLabel">
         <property name="text">
          <string>Network configuration</string>
         </property>
        </widget>
       </item>
-       <item row="13" column="1">
+       <item row="16" column="1">
        <widget class="QPushButton" name="uiNetworkConfigEditButton">
         <property name="text">
          <string>Edit</string>
--- a/gns3/modules/docker/ui/docker_vm_configuration_page_ui.py
+++ b/gns3/modules/docker/ui/docker_vm_configuration_page_ui.py
@@ -14,7 +14,7 @@ from PyQt5 import QtCore, QtGui, QtWidgets
 class Ui_dockerVMConfigPageWidget(object):
    def setupUi(self, dockerVMConfigPageWidget):
        dockerVMConfigPageWidget.setObjectName("dockerVMConfigPageWidget")
-        dockerVMConfigPageWidget.resize(504, 560)
+        dockerVMConfigPageWidget.resize(649, 718)
        self.verticalLayout = QtWidgets.QVBoxLayout(dockerVMConfigPageWidget)
        self.verticalLayout.setObjectName("verticalLayout")
        self.uiTabWidget = QtWidgets.QTabWidget(dockerVMConfigPageWidget)
@@ -79,9 +79,25 @@ class Ui_dockerVMConfigPageWidget(object):
        self.uiCustomAdaptersConfigurationPushButton = QtWidgets.QPushButton(self.tab)
        self.uiCustomAdaptersConfigurationPushButton.setObjectName("uiCustomAdaptersConfigurationPushButton")
        self.gridLayout.addWidget(self.uiCustomAdaptersConfigurationPushButton, 7, 1, 1, 1)
+        self.uiMaxMemoryLabel = QtWidgets.QLabel(self.tab)
+        self.uiMaxMemoryLabel.setObjectName("uiMaxMemoryLabel")
+        self.gridLayout.addWidget(self.uiMaxMemoryLabel, 8, 0, 1, 1)
+        self.uiMaxMemorySpinBox = QtWidgets.QSpinBox(self.tab)
+        self.uiMaxMemorySpinBox.setMaximum(65535)
+        self.uiMaxMemorySpinBox.setSingleStep(32)
+        self.uiMaxMemorySpinBox.setObjectName("uiMaxMemorySpinBox")
+        self.gridLayout.addWidget(self.uiMaxMemorySpinBox, 8, 1, 1, 1)
+        self.uiMaxCPUsLabel = QtWidgets.QLabel(self.tab)
+        self.uiMaxCPUsLabel.setObjectName("uiMaxCPUsLabel")
+        self.gridLayout.addWidget(self.uiMaxCPUsLabel, 9, 0, 1, 1)
+        self.uiMaxCPUsDoubleSpinBox = QtWidgets.QDoubleSpinBox(self.tab)
+        self.uiMaxCPUsDoubleSpinBox.setDecimals(1)
+        self.uiMaxCPUsDoubleSpinBox.setSingleStep(0.1)
+        self.uiMaxCPUsDoubleSpinBox.setObjectName("uiMaxCPUsDoubleSpinBox")
+        self.gridLayout.addWidget(self.uiMaxCPUsDoubleSpinBox, 9, 1, 1, 1)
        self.uiConsoleTypeLabel = QtWidgets.QLabel(self.tab)
        self.uiConsoleTypeLabel.setObjectName("uiConsoleTypeLabel")
-        self.gridLayout.addWidget(self.uiConsoleTypeLabel, 8, 0, 1, 1)
+        self.gridLayout.addWidget(self.uiConsoleTypeLabel, 10, 0, 1, 1)
        self.horizontalLayout = QtWidgets.QHBoxLayout()
        self.horizontalLayout.setSizeConstraint(QtWidgets.QLayout.SetNoConstraint)
        self.horizontalLayout.setObjectName("horizontalLayout")
@@ -96,10 +112,18 @@ class Ui_dockerVMConfigPageWidget(object):
        self.uiConsoleAutoStartCheckBox = QtWidgets.QCheckBox(self.tab)
        self.uiConsoleAutoStartCheckBox.setObjectName("uiConsoleAutoStartCheckBox")
        self.horizontalLayout.addWidget(self.uiConsoleAutoStartCheckBox)
-        self.gridLayout.addLayout(self.horizontalLayout, 8, 1, 1, 1)
+        self.gridLayout.addLayout(self.horizontalLayout, 10, 1, 1, 1)
+        self.uiAuxTypeLabel = QtWidgets.QLabel(self.tab)
+        self.uiAuxTypeLabel.setObjectName("uiAuxTypeLabel")
+        self.gridLayout.addWidget(self.uiAuxTypeLabel, 11, 0, 1, 1)
+        self.uiAuxTypeComboBox = QtWidgets.QComboBox(self.tab)
+        self.uiAuxTypeComboBox.setObjectName("uiAuxTypeComboBox")
+        self.uiAuxTypeComboBox.addItem("")
+        self.uiAuxTypeComboBox.addItem("")
+        self.gridLayout.addWidget(self.uiAuxTypeComboBox, 11, 1, 1, 1)
        self.uiConsoleResolutionLabel = QtWidgets.QLabel(self.tab)
        self.uiConsoleResolutionLabel.setObjectName("uiConsoleResolutionLabel")
-        self.gridLayout.addWidget(self.uiConsoleResolutionLabel, 9, 0, 1, 1)
+        self.gridLayout.addWidget(self.uiConsoleResolutionLabel, 12, 0, 1, 1)
        self.uiConsoleResolutionComboBox = QtWidgets.QComboBox(self.tab)
        self.uiConsoleResolutionComboBox.setObjectName("uiConsoleResolutionComboBox")
        self.uiConsoleResolutionComboBox.addItem("")
@@ -112,35 +136,35 @@ class Ui_dockerVMConfigPageWidget(object):
        self.uiConsoleResolutionComboBox.addItem("")
        self.uiConsoleResolutionComboBox.addItem("")
        self.uiConsoleResolutionComboBox.addItem("")
-        self.gridLayout.addWidget(self.uiConsoleResolutionComboBox, 9, 1, 1, 1)
+        self.gridLayout.addWidget(self.uiConsoleResolutionComboBox, 12, 1, 1, 1)
        self.label = QtWidgets.QLabel(self.tab)
        self.label.setObjectName("label")
-        self.gridLayout.addWidget(self.label, 10, 0, 1, 1)
+        self.gridLayout.addWidget(self.label, 13, 0, 1, 1)
        self.uiConsoleHttpPortSpinBox = QtWidgets.QSpinBox(self.tab)
        self.uiConsoleHttpPortSpinBox.setMinimum(1)
        self.uiConsoleHttpPortSpinBox.setMaximum(65535)
        self.uiConsoleHttpPortSpinBox.setObjectName("uiConsoleHttpPortSpinBox")
-        self.gridLayout.addWidget(self.uiConsoleHttpPortSpinBox, 10, 1, 1, 1)
+        self.gridLayout.addWidget(self.uiConsoleHttpPortSpinBox, 13, 1, 1, 1)
        self.label_2 = QtWidgets.QLabel(self.tab)
        self.label_2.setObjectName("label_2")
-        self.gridLayout.addWidget(self.label_2, 11, 0, 1, 1)
+        self.gridLayout.addWidget(self.label_2, 14, 0, 1, 1)
        self.uiHttpConsolePathLineEdit = QtWidgets.QLineEdit(self.tab)
        self.uiHttpConsolePathLineEdit.setObjectName("uiHttpConsolePathLineEdit")
-        self.gridLayout.addWidget(self.uiHttpConsolePathLineEdit, 11, 1, 1, 1)
+        self.gridLayout.addWidget(self.uiHttpConsolePathLineEdit, 14, 1, 1, 1)
        self.uiEnvironmentLabel = QtWidgets.QLabel(self.tab)
        self.uiEnvironmentLabel.setAlignment(QtCore.Qt.AlignLeading|QtCore.Qt.AlignLeft|QtCore.Qt.AlignVCenter)
        self.uiEnvironmentLabel.setWordWrap(False)
        self.uiEnvironmentLabel.setObjectName("uiEnvironmentLabel")
-        self.gridLayout.addWidget(self.uiEnvironmentLabel, 12, 0, 1, 1)
+        self.gridLayout.addWidget(self.uiEnvironmentLabel, 15, 0, 1, 1)
        self.uiEnvironmentTextEdit = QtWidgets.QTextEdit(self.tab)
        self.uiEnvironmentTextEdit.setObjectName("uiEnvironmentTextEdit")
-        self.gridLayout.addWidget(self.uiEnvironmentTextEdit, 12, 1, 1, 1)
+        self.gridLayout.addWidget(self.uiEnvironmentTextEdit, 15, 1, 1, 1)
        self.uiNetworkConfigLabel = QtWidgets.QLabel(self.tab)
        self.uiNetworkConfigLabel.setObjectName("uiNetworkConfigLabel")
-        self.gridLayout.addWidget(self.uiNetworkConfigLabel, 13, 0, 1, 1)
+        self.gridLayout.addWidget(self.uiNetworkConfigLabel, 16, 0, 1, 1)
        self.uiNetworkConfigEditButton = QtWidgets.QPushButton(self.tab)
        self.uiNetworkConfigEditButton.setObjectName("uiNetworkConfigEditButton")
-        self.gridLayout.addWidget(self.uiNetworkConfigEditButton, 13, 1, 1, 1)
+        self.gridLayout.addWidget(self.uiNetworkConfigEditButton, 16, 1, 1, 1)
        self.uiTabWidget.addTab(self.tab, "")
        self.tab_2 = QtWidgets.QWidget()
        self.tab_2.setObjectName("tab_2")
@@ -195,6 +219,9 @@ class Ui_dockerVMConfigPageWidget(object):
        self.uiMacAddrLabel.setText(_translate("dockerVMConfigPageWidget", "Base MAC:"))
        self.uiCustomAdaptersLabel.setText(_translate("dockerVMConfigPageWidget", "Custom adapters:"))
        self.uiCustomAdaptersConfigurationPushButton.setText(_translate("dockerVMConfigPageWidget", "&Configure custom adapters"))
+        self.uiMaxMemoryLabel.setText(_translate("dockerVMConfigPageWidget", "Maximum memory:"))
+        self.uiMaxMemorySpinBox.setSuffix(_translate("dockerVMConfigPageWidget", " MB"))
+        self.uiMaxCPUsLabel.setText(_translate("dockerVMConfigPageWidget", "Maximum CPUs:"))
        self.uiConsoleTypeLabel.setText(_translate("dockerVMConfigPageWidget", "Console type:"))
        self.uiConsoleTypeComboBox.setItemText(0, _translate("dockerVMConfigPageWidget", "telnet"))
        self.uiConsoleTypeComboBox.setItemText(1, _translate("dockerVMConfigPageWidget", "vnc"))
@@ -202,6 +229,9 @@ class Ui_dockerVMConfigPageWidget(object):
        self.uiConsoleTypeComboBox.setItemText(3, _translate("dockerVMConfigPageWidget", "https"))
        self.uiConsoleTypeComboBox.setItemText(4, _translate("dockerVMConfigPageWidget", "none"))
        self.uiConsoleAutoStartCheckBox.setText(_translate("dockerVMConfigPageWidget", "Auto start console"))
+        self.uiAuxTypeLabel.setText(_translate("dockerVMConfigPageWidget", "Auxiliary console type:"))
+        self.uiAuxTypeComboBox.setItemText(0, _translate("dockerVMConfigPageWidget", "telnet"))
+        self.uiAuxTypeComboBox.setItemText(1, _translate("dockerVMConfigPageWidget", "none"))
        self.uiConsoleResolutionLabel.setText(_translate("dockerVMConfigPageWidget", "VNC console resolution:"))
        self.uiConsoleResolutionComboBox.setItemText(0, _translate("dockerVMConfigPageWidget", "2560x1440"))
        self.uiConsoleResolutionComboBox.setItemText(1, _translate("dockerVMConfigPageWidget", "1920x1080"))
--- a/gns3/modules/dynamips/init.py
+++ b/gns3/modules/dynamips/init.py
@@ -25,7 +25,6 @@ import hashlib

 from gns3.local_config import LocalConfig
 from gns3.image_manager import ImageManager
-from gns3.local_server_config import LocalServerConfig
 from gns3.controller import Controller
 from gns3.template_manager import TemplateManager
 from gns3.template import Template
@@ -145,18 +144,19 @@ class Dynamips(Module):
        # save the settings
        LocalConfig.instance().saveSectionSettings(self.__class__.__name__, self._settings)

-        # save some settings to the local server config file
-        server_settings = {
-            "allocate_aux_console_ports": self._settings["allocate_aux_console_ports"],
-            "ghost_ios_support": self._settings["ghost_ios_support"],
-            "sparse_memory_support": self._settings["sparse_memory_support"],
-            "mmap_support": self._settings["mmap_support"],
-        }
-
-        if self._settings["dynamips_path"]:
-            server_settings["dynamips_path"] = os.path.normpath(self._settings["dynamips_path"])
-        config = LocalServerConfig.instance()
-        config.saveSettings(self.__class__.__name__, server_settings)
+        # FIXME: handle server side config
+        # # save some settings to the local server config file
+        # server_settings = {
+        #     "allocate_aux_console_ports": self._settings["allocate_aux_console_ports"],
+        #     "ghost_ios_support": self._settings["ghost_ios_support"],
+        #     "sparse_memory_support": self._settings["sparse_memory_support"],
+        #     "mmap_support": self._settings["mmap_support"],
+        # }
+        #
+        # if self._settings["dynamips_path"]:
+        #     server_settings["dynamips_path"] = os.path.normpath(self._settings["dynamips_path"])
+        # config = LocalServerConfig.instance()
+        # config.saveSettings(self.__class__.__name__, server_settings)

    def updateImageIdlepc(self, image_path, idlepc):
        """
--- a/gns3/modules/dynamips/dialogs/ios_router_wizard.py
+++ b/gns3/modules/dynamips/dialogs/ios_router_wizard.py
@@ -218,15 +218,20 @@ class IOSRouterWizard(VMWithImagesWizard, Ui_IOSRouterWizard):
        image = self.uiIOSImageLineEdit.text()
        platform = self.uiPlatformComboBox.currentText()
        ram = self.uiRamSpinBox.value()
-        Controller.instance().postCompute("/auto_idlepc",
-                                          self._compute_id,
-                                          self._computeAutoIdlepcCallback,
-                                          timeout=None,
-                                          body={
-                                              "image": image,
-                                              "platform": platform,
-                                              "ram": ram})
-        self.uiIdlePCFinderPushButton.setEnabled(False)
+
+        Controller.instance().postCompute(
+            "/dynamips/auto_idlepc",
+            self._compute_id,
+            callback=self._computeAutoIdlepcCallback,
+            body={
+                "image": image,
+                "platform": platform,
+                "ram": ram
+            },
+            timeout=None,
+            progress_text="Finding an Idle-PC value...",
+            wait=True
+        )

    def _etherSwitchSlot(self, state):
        """
@@ -316,7 +321,7 @@ class IOSRouterWizard(VMWithImagesWizard, Ui_IOSRouterWizard):
        super().initializePage(page_id)

        if self.page(page_id) == self.uiIOSImageWizardPage:
-            self.loadImagesList("/dynamips/images")
+            self.loadImagesList("ios")
        elif self.page(page_id) == self.uiNameWizardPage:
            self._prefillPlatform()
            self.uiNameLineEdit.setText(self.uiPlatformComboBox.currentText())
--- a/gns3/modules/dynamips/nodes/router.py
+++ b/gns3/modules/dynamips/nodes/router.py
@@ -50,7 +50,6 @@ class Router(Node):

        router_settings = {"platform": platform,
                           "usage": "",
-                           "chassis": "",
                           "image": "",
                           "image_md5sum": "",
                           "startup_config": "",
@@ -71,6 +70,7 @@ class Router(Node):
                           "console_type": "telnet",
                           "console_auto_start": False,
                           "aux": None,
+                           "aux_type": "none",
                           "mac_addr": None,
                           "system_id": "FTX0945W0MY",
                           "slot0": None,
@@ -101,11 +101,14 @@ class Router(Node):
        """

        log.debug("{} is requesting Idle-PC proposals".format(self.name()))
-        self.controllerHttpGet("/nodes/{node_id}/dynamips/idlepc_proposals".format(node_id=self._node_id),
-                               callback,
-                               timeout=240,
-                               context={"router": self},
-                               progressText="Computing Idle-PC values, please wait...")
+        self.controllerHttpGet(
+            "/nodes/{node_id}/dynamips/idlepc_proposals".format(node_id=self._node_id),
+            callback,
+            context={"router": self},
+            progress_text="Computing Idle-PC values, please wait...",
+            timeout=240,
+            wait=True
+        )

    def computeAutoIdlepc(self, callback):
        """
@@ -113,11 +116,14 @@ class Router(Node):
        """

        log.debug("{} is requesting Idle-PC proposals".format(self.name()))
-        self.controllerHttpGet("/nodes/{node_id}/dynamips/auto_idlepc".format(node_id=self._node_id),
-                               callback,
-                               timeout=240,
-                               context={"router": self},
-                               progressText="Computing Idle-PC values, please wait...")
+        self.controllerHttpGet(
+            "/nodes/{node_id}/dynamips/auto_idlepc".format(node_id=self._node_id),
+            callback,
+            context={"router": self},
+            progress_text="Computing Idle-PC values, please wait...",
+            timeout=240,
+            wait=True
+        )

    def idlepc(self):
        """
@@ -239,10 +245,11 @@ class Router(Node):

        info = """Router {name} is {state}
  Running on server {host} with port {port}
-  Local ID is {id} and server ID is {node_id}
+  Local ID is {id} and node ID is {node_id}
  Dynamips ID is {dynamips_id}
  Hardware is Dynamips emulated Cisco {platform} {specific_info} with {ram}MB RAM and {nvram}KB NVRAM
-  Console is on port {console} and type is {console_type}, AUX console is on port {aux}
+  Console is on port {console} and type is {console_type}
+  Auxiliary console is on port {aux} and type is {aux_type}
  IOS image is "{image_name}"
  {idlepc_info}
  PCMCIA disks: disk0 is {disk0}MB and disk1 is {disk1}MB
@@ -260,6 +267,7 @@ class Router(Node):
           console=self._settings["console"],
           console_type=self._settings["console_type"],
           aux=self._settings["aux"],
+           aux_type=self._settings["aux_type"],
           image_name=os.path.basename(self._settings["image"]),
           idlepc_info=idlepc_info,
           disk0=self._settings["disk0"],
@@ -298,23 +306,6 @@ class Router(Node):
        from ..pages.ios_router_configuration_page import IOSRouterConfigurationPage
        return IOSRouterConfigurationPage

-    @staticmethod
-    def validateHostname(hostname):
-        """
-        Checks if the hostname is valid.
-
-        :param hostname: hostname to check
-
-        :returns: boolean
-        """
-
-        # IOS names must start with a letter, end with a letter or digit, and
-        # have as interior characters only letters, digits, and hyphens.
-        # They must be 63 characters or fewer (ARPANET rules).
-        if re.search(r"""^(?!-|[0-9])[a-zA-Z0-9-]{1,63}(?<!-)$""", hostname):
-            return True
-        return False
-
    @staticmethod
    def defaultSymbol():
        """
--- a/gns3/modules/dynamips/pages/ios_router_configuration_page.py
+++ b/gns3/modules/dynamips/pages/ios_router_configuration_page.py
@@ -24,7 +24,6 @@ import re

 from gns3.qt import QtCore, QtGui, QtWidgets
 from gns3.local_server import LocalServer
-from gns3.local_config import LocalConfig
 from gns3.dialogs.node_properties_dialog import ConfigurationError
 from gns3.dialogs.symbol_selection_dialog import SymbolSelectionDialog
 from gns3.controller import Controller
@@ -375,6 +374,11 @@ class IOSRouterConfigurationPage(QtWidgets.QWidget, Ui_iosRouterConfigPageWidget

        self.uiConsoleAutoStartCheckBox.setChecked(settings["console_auto_start"])

+        # load the auxiliary console type
+        index = self.uiAuxTypeComboBox.findText(settings["aux_type"])
+        if index != -1:
+            self.uiAuxTypeComboBox.setCurrentIndex(index)
+
        # load the memories and disks settings
        self.uiRamSpinBox.setValue(settings["ram"])
        self.uiNvramSpinBox.setValue(settings["nvram"])
@@ -489,8 +493,6 @@ class IOSRouterConfigurationPage(QtWidgets.QWidget, Ui_iosRouterConfigPageWidget
            name = self.uiNameLineEdit.text()
            if not name:
                QtWidgets.QMessageBox.critical(self, "Name", "IOS router name cannot be empty!")
-            elif node and not node.validateHostname(name) and not LocalConfig.instance().experimental():
-                QtWidgets.QMessageBox.critical(self, "Name", "Invalid name detected for IOS router: {}".format(name))
            else:
                settings["name"] = name

@@ -580,6 +582,9 @@ class IOSRouterConfigurationPage(QtWidgets.QWidget, Ui_iosRouterConfigPageWidget
        settings["console_type"] = self.uiConsoleTypeComboBox.currentText().lower()
        settings["console_auto_start"] = self.uiConsoleAutoStartCheckBox.isChecked()

+        # save auxiliary console type
+        settings["aux_type"] = self.uiAuxTypeComboBox.currentText().lower()
+
        # save the memories and disks settings
        settings["ram"] = self.uiRamSpinBox.value()
        settings["nvram"] = self.uiNvramSpinBox.value()
--- a/gns3/modules/dynamips/pages/ios_router_preferences_page.py
+++ b/gns3/modules/dynamips/pages/ios_router_preferences_page.py
@@ -386,7 +386,15 @@ class IOSRouterPreferencesPage(QtWidgets.QWidget, Ui_IOSRouterPreferencesPageWid
        QtWidgets.QTreeWidgetItem(section_item, ["Template ID:", ios_router.get("template_id", "none")])
        QtWidgets.QTreeWidgetItem(section_item, ["Default name format:", ios_router["default_name_format"]])
        try:
-            QtWidgets.QTreeWidgetItem(section_item, ["Server:", ComputeManager.instance().getCompute(ios_router["compute_id"]).name()])
+            compute_id = ios_router.get("compute_id")
+            if compute_id:
+                QtWidgets.QTreeWidgetItem(section_item, ["Compute:", ComputeManager.instance().getCompute(compute_id).name()])
+            else:
+                if Controller.instance().settings()["dynamic_compute_allocation"]:
+                    msg = "Dynamically allocated by the controller"
+                else:
+                    msg = "Manually chosen"
+                QtWidgets.QTreeWidgetItem(section_item, ["Compute:", msg])
        except KeyError:
            pass
        QtWidgets.QTreeWidgetItem(section_item, ["Platform:", ios_router["platform"]])
@@ -395,6 +403,7 @@ class IOSRouterPreferencesPage(QtWidgets.QWidget, Ui_IOSRouterPreferencesPageWid
        QtWidgets.QTreeWidgetItem(section_item, ["Image:", ios_router["image"]])
        QtWidgets.QTreeWidgetItem(section_item, ["Console type:", ios_router["console_type"]])
        QtWidgets.QTreeWidgetItem(section_item, ["Auto start console:", "{}".format(ios_router["console_auto_start"])])
+        QtWidgets.QTreeWidgetItem(section_item, ["Auxiliary console type:", ios_router["aux_type"]])
        if ios_router["idlepc"]:
            QtWidgets.QTreeWidgetItem(section_item, ["Idle-PC:", ios_router["idlepc"]])
        if ios_router["startup_config"]:
--- a/gns3/modules/dynamips/settings.py
+++ b/gns3/modules/dynamips/settings.py
@@ -34,12 +34,13 @@ IOS_ROUTER_SETTINGS = {
    "default_name_format": "R{0}",
    "usage": "",
    "image": "",
-    "symbol": ":/symbols/router.svg",
+    "symbol": "router",
    "category": Node.routers,
    "startup_config": "",
    "private_config": "",
    "console_type": "telnet",
    "console_auto_start": False,
+    "aux_type": "none",
    "platform": "",
    "idlepc": "",
    "idlemax": 500,
--- a/gns3/modules/dynamips/ui/ios_router_configuration_page.ui
+++ b/gns3/modules/dynamips/ui/ios_router_configuration_page.ui
@@ -6,8 +6,8 @@
   <rect>
    <x>0</x>
    <y>0</y>
-    <width>980</width>
-    <height>734</height>
+    <width>964</width>
+    <height>830</height>
   </rect>
  </property>
  <property name="windowTitle">
@@ -250,7 +250,7 @@
         </item>
        </layout>
       </item>
-       <item row="12" column="1" colspan="2">
+       <item row="14" column="1" colspan="2">
        <spacer>
         <property name="orientation">
          <enum>Qt::Vertical</enum>
@@ -263,6 +263,27 @@
         </property>
        </spacer>
       </item>
+       <item row="12" column="2">
+        <widget class="QComboBox" name="uiAuxTypeComboBox">
+         <item>
+          <property name="text">
+           <string>telnet</string>
+          </property>
+         </item>
+         <item>
+          <property name="text">
+           <string>none</string>
+          </property>
+         </item>
+        </widget>
+       </item>
+       <item row="12" column="0" colspan="2">
+        <widget class="QLabel" name="uiAuxTypeLabel">
+         <property name="text">
+          <string>Aux console type:</string>
+         </property>
+        </widget>
+       </item>
      </layout>
     </widget>
     <widget class="QWidget" name="uiMemoriesPageWidget">
@@ -270,7 +291,16 @@
       <string>Memories and disks</string>
      </attribute>
      <layout class="QGridLayout" name="gridLayout_5">
-       <property name="margin">
+       <property name="leftMargin">
+        <number>10</number>
+       </property>
+       <property name="topMargin">
+        <number>10</number>
+       </property>
+       <property name="rightMargin">
+        <number>10</number>
+       </property>
+       <property name="bottomMargin">
        <number>10</number>
       </property>
       <item row="0" column="0">
@@ -448,7 +478,16 @@
       <string>Slots</string>
      </attribute>
      <layout class="QVBoxLayout" name="verticalLayout">
-       <property name="margin">
+       <property name="leftMargin">
+        <number>10</number>
+       </property>
+       <property name="topMargin">
+        <number>10</number>
+       </property>
+       <property name="rightMargin">
+        <number>10</number>
+       </property>
+       <property name="bottomMargin">
        <number>10</number>
       </property>
       <item>
@@ -649,7 +688,16 @@
       <string>Advanced</string>
      </attribute>
      <layout class="QVBoxLayout" name="verticalLayout_4">
-       <property name="margin">
+       <property name="leftMargin">
+        <number>10</number>
+       </property>
+       <property name="topMargin">
+        <number>10</number>
+       </property>
+       <property name="rightMargin">
+        <number>10</number>
+       </property>
+       <property name="bottomMargin">
        <number>10</number>
       </property>
       <item>
@@ -828,7 +876,16 @@
       <string>Environment</string>
      </attribute>
      <layout class="QVBoxLayout" name="verticalLayout_3">
-       <property name="margin">
+       <property name="leftMargin">
+        <number>10</number>
+       </property>
+       <property name="topMargin">
+        <number>10</number>
+       </property>
+       <property name="rightMargin">
+        <number>10</number>
+       </property>
+       <property name="bottomMargin">
        <number>10</number>
       </property>
       <item>
--- a/gns3/modules/dynamips/ui/ios_router_configuration_page_ui.py
+++ b/gns3/modules/dynamips/ui/ios_router_configuration_page_ui.py
@@ -2,16 +2,19 @@

 # Form implementation generated from reading ui file '/home/grossmj/PycharmProjects/gns3-gui/gns3/modules/dynamips/ui/ios_router_configuration_page.ui'
 #
-# Created by: PyQt5 UI code generator 5.11.3
+# Created by: PyQt5 UI code generator 5.15.0
 #
-# WARNING! All changes made in this file will be lost!
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.
+

 from PyQt5 import QtCore, QtGui, QtWidgets

+
 class Ui_iosRouterConfigPageWidget(object):
    def setupUi(self, iosRouterConfigPageWidget):
        iosRouterConfigPageWidget.setObjectName("iosRouterConfigPageWidget")
-        iosRouterConfigPageWidget.resize(980, 734)
+        iosRouterConfigPageWidget.resize(964, 830)
        self.vboxlayout = QtWidgets.QVBoxLayout(iosRouterConfigPageWidget)
        self.vboxlayout.setObjectName("vboxlayout")
        self.uiTabWidget = QtWidgets.QTabWidget(iosRouterConfigPageWidget)
@@ -143,7 +146,15 @@ class Ui_iosRouterConfigPageWidget(object):
        self.horizontalLayout.addWidget(self.uiConsoleAutoStartCheckBox)
        self.gridLayout_2.addLayout(self.horizontalLayout, 11, 2, 1, 1)
        spacerItem = QtWidgets.QSpacerItem(263, 151, QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
-        self.gridLayout_2.addItem(spacerItem, 12, 1, 1, 2)
+        self.gridLayout_2.addItem(spacerItem, 14, 1, 1, 2)
+        self.uiAuxTypeComboBox = QtWidgets.QComboBox(self.uiGeneralPageWidget)
+        self.uiAuxTypeComboBox.setObjectName("uiAuxTypeComboBox")
+        self.uiAuxTypeComboBox.addItem("")
+        self.uiAuxTypeComboBox.addItem("")
+        self.gridLayout_2.addWidget(self.uiAuxTypeComboBox, 12, 2, 1, 1)
+        self.uiAuxTypeLabel = QtWidgets.QLabel(self.uiGeneralPageWidget)
+        self.uiAuxTypeLabel.setObjectName("uiAuxTypeLabel")
+        self.gridLayout_2.addWidget(self.uiAuxTypeLabel, 12, 0, 1, 2)
        self.uiTabWidget.addTab(self.uiGeneralPageWidget, "")
        self.uiMemoriesPageWidget = QtWidgets.QWidget()
        self.uiMemoriesPageWidget.setObjectName("uiMemoriesPageWidget")
@@ -582,6 +593,9 @@ class Ui_iosRouterConfigPageWidget(object):
        self.uiConsoleTypeComboBox.setItemText(0, _translate("iosRouterConfigPageWidget", "telnet"))
        self.uiConsoleTypeComboBox.setItemText(1, _translate("iosRouterConfigPageWidget", "none"))
        self.uiConsoleAutoStartCheckBox.setText(_translate("iosRouterConfigPageWidget", "Auto start console"))
+        self.uiAuxTypeComboBox.setItemText(0, _translate("iosRouterConfigPageWidget", "telnet"))
+        self.uiAuxTypeComboBox.setItemText(1, _translate("iosRouterConfigPageWidget", "none"))
+        self.uiAuxTypeLabel.setText(_translate("iosRouterConfigPageWidget", "Aux console type:"))
        self.uiTabWidget.setTabText(self.uiTabWidget.indexOf(self.uiGeneralPageWidget), _translate("iosRouterConfigPageWidget", "General"))
        self.uiRamLabel.setText(_translate("iosRouterConfigPageWidget", "RAM size:"))
        self.uiRamSpinBox.setSuffix(_translate("iosRouterConfigPageWidget", " MiB"))
@@ -639,4 +653,3 @@ class Ui_iosRouterConfigPageWidget(object):
        self.uiSensor4SpinBox.setSuffix(_translate("iosRouterConfigPageWidget", " C"))
        self.uiTabWidget.setTabText(self.uiTabWidget.indexOf(self.uiEnvironmentPageWidget), _translate("iosRouterConfigPageWidget", "Environment"))
        self.uiTabWidget.setTabText(self.uiTabWidget.indexOf(self.uiUsageTab), _translate("iosRouterConfigPageWidget", "Usage"))
-
--- a/gns3/modules/iou/dialogs/iou_device_wizard.py
+++ b/gns3/modules/iou/dialogs/iou_device_wizard.py
@@ -92,7 +92,7 @@ class IOUDeviceWizard(VMWithImagesWizard, Ui_IOUDeviceWizard):
        if self.page(page_id) == self.uiNameWizardPage:
            if not self.uiIOUImageToolButton.isEnabled():
                QtWidgets.QMessageBox.warning(self, "IOU image", "You have chosen to use a remote server, please provide the path to an IOU image located on this server!")
-            self.loadImagesList("/iou/images")
+            self.loadImagesList("iou")

    def getSettings(self):
        """
--- a/gns3/modules/iou/iou_device.py
+++ b/gns3/modules/iou/iou_device.py
@@ -73,7 +73,7 @@ class IOUDevice(Node):

        info = """Device {name} is {state}
  Running on server {host} with port {port}
-  Local ID is {id} and server ID is {node_id}
+  Local ID is {id} and node ID is {node_id}
  Hardware is Cisco IOU generic device with {memories_info}
  Console is on port {console} and type is {console_type}
  IOU image is "{image_name}"
@@ -119,23 +119,6 @@ class IOUDevice(Node):
        from .pages.iou_device_configuration_page import iouDeviceConfigurationPage
        return iouDeviceConfigurationPage

-    @staticmethod
-    def validateHostname(hostname):
-        """
-        Checks if the hostname is valid.
-
-        :param hostname: hostname to check
-
-        :returns: boolean
-        """
-
-        # IOS names must start with a letter, end with a letter or digit, and
-        # have as interior characters only letters, digits, and hyphens.
-        # They must be 63 characters or fewer (ARPANET rules).
-        if re.search(r"""^(?!-|[0-9])[a-zA-Z0-9-]{1,63}(?<!-)$""", hostname):
-            return True
-        return False
-
    @staticmethod
    def defaultSymbol():
        """
--- a/gns3/modules/iou/pages/iou_device_configuration_page.py
+++ b/gns3/modules/iou/pages/iou_device_configuration_page.py
@@ -23,7 +23,6 @@ import os

 from gns3.qt import QtWidgets
 from gns3.local_server import LocalServer
-from gns3.local_config import LocalConfig
 from gns3.dialogs.node_properties_dialog import ConfigurationError
 from gns3.dialogs.symbol_selection_dialog import SymbolSelectionDialog
 from gns3.node import Node
@@ -246,8 +245,6 @@ class iouDeviceConfigurationPage(QtWidgets.QWidget, Ui_iouDeviceConfigPageWidget
            name = self.uiNameLineEdit.text()
            if not name:
                QtWidgets.QMessageBox.critical(self, "Name", "IOU device name cannot be empty!")
-            elif node and not node.validateHostname(name) and not LocalConfig.instance().experimental():
-                QtWidgets.QMessageBox.critical(self, "Name", "Invalid name detected for IOU device: {}".format(name))
            else:
                settings["name"] = name

--- a/gns3/modules/iou/pages/iou_device_preferences_page.py
+++ b/gns3/modules/iou/pages/iou_device_preferences_page.py
@@ -88,7 +88,15 @@ class IOUDevicePreferencesPage(QtWidgets.QWidget, Ui_IOUDevicePreferencesPageWid
        QtWidgets.QTreeWidgetItem(section_item, ["Template ID:", iou_device.get("template_id", "none")])
        QtWidgets.QTreeWidgetItem(section_item, ["Default name format:", iou_device["default_name_format"]])
        try:
-            QtWidgets.QTreeWidgetItem(section_item, ["Server:", ComputeManager.instance().getCompute(iou_device["compute_id"]).name()])
+            compute_id = iou_device.get("compute_id")
+            if compute_id:
+                QtWidgets.QTreeWidgetItem(section_item, ["Compute:", ComputeManager.instance().getCompute(compute_id).name()])
+            else:
+                if Controller.instance().settings()["dynamic_compute_allocation"]:
+                    msg = "Dynamically allocated by the controller"
+                else:
+                    msg = "Manually chosen"
+                QtWidgets.QTreeWidgetItem(section_item, ["Compute:", msg])
        except KeyError:
            # Compute doesn't exists
            pass
--- a/gns3/modules/iou/settings.py
+++ b/gns3/modules/iou/settings.py
@@ -32,7 +32,7 @@ IOU_DEVICE_SETTINGS = {
    "default_name_format": "IOU{0}",
    "usage": "",
    "path": "",
-    "symbol": ":/symbols/multilayer_switch.svg",
+    "symbol": "multilayer_switch",
    "category": Node.routers,
    "startup_config": "",
    "private_config": "",
--- a/gns3/modules/qemu/init.py
+++ b/gns3/modules/qemu/init.py
@@ -20,7 +20,6 @@ QEMU module implementation.
 """

 from gns3.local_config import LocalConfig
-from gns3.local_server_config import LocalServerConfig
 from gns3.controller import Controller
 from gns3.template_manager import TemplateManager
 from gns3.template import Template
@@ -74,33 +73,11 @@ class Qemu(Module):

        # save the settings
        LocalConfig.instance().saveSectionSettings(self.__class__.__name__, self._settings)
-        server_settings = {"enable_hardware_acceleration": self._settings["enable_hardware_acceleration"],
-                           "require_hardware_acceleration": self._settings["require_hardware_acceleration"]}
-        LocalServerConfig.instance().saveSettings(self.__class__.__name__, server_settings)

-    def getQemuBinariesFromServer(self, compute_id, callback, archs=None):
-        """
-        Gets the QEMU binaries list from a server.
-
-        :param compute_id: server to send the request to
-        :param callback: callback for the reply from the server
-        :param archs: A list of architectures. Only binaries matching the specified architectures are returned.
-        """
-
-        request_body = None
-        if archs is not None:
-            request_body = {"archs": archs}
-        Controller.instance().getCompute("/qemu/binaries", compute_id, callback, body=request_body)
-
-    def getQemuImgBinariesFromServer(self, compute_id, callback):
-        """
-        Gets the QEMU-img binaries list from a server.
-
-        :param server: server to send the request to
-        :param callback: callback for the reply from the server
-        """
-
-        Controller.instance().getCompute("/qemu/img-binaries", compute_id, callback)
+        # FIXME: handle server side config
+        # server_settings = {"enable_hardware_acceleration": self._settings["enable_hardware_acceleration"],
+        #                    "require_hardware_acceleration": self._settings["require_hardware_acceleration"]}
+        # LocalServerConfig.instance().saveSettings(self.__class__.__name__, server_settings)

    def getQemuCapabilitiesFromServer(self, compute_id, callback):
        """
@@ -112,27 +89,44 @@ class Qemu(Module):

        Controller.instance().getCompute("/qemu/capabilities", compute_id, callback)

-    def createDiskImage(self, compute_id, callback, options):
+    @staticmethod
+    def getQemuPlatforms():
        """
-        Create a disk image on the remote server
+        Returns all Qemu platforms

-        :param server: server to send the request to
-        :param callback: callback for the reply from the server
-        :param options: Options for the image creation
+        :return: list of Qemu platforms
        """

-        Controller.instance().postCompute("/qemu/img", compute_id, callback, timeout=None, body=options)
-
-    def updateDiskImage(self, compute_id, callback, options):
-        """
-        Update a disk image on the remote server
-
-        :param server: server to send the request to
-        :param callback: callback for the reply from the server
-        :param options: Options for the image update
-        """
-
-        Controller.instance().putCompute("/qemu/img", compute_id, callback, body=options)
+        return [
+            "aarch64",
+            "alpha",
+            "arm",
+            "cris",
+            "i386",
+            "lm32",
+            "m68k",
+            "microblaze",
+            "microblazeel",
+            "mips",
+            "mips64",
+            "mips64el",
+            "mipsel",
+            "moxie",
+            "or32",
+            "ppc",
+            "ppc64",
+            "ppcemb",
+            "s390x",
+            "sh4",
+            "sh4eb",
+            "sparc",
+            "sparc64",
+            "tricore",
+            "unicore32",
+            "x86_64",
+            "xtensa",
+            "xtensaeb"
+        ]

    @staticmethod
    def getNodeClass(node_type, platform=None):
--- a/gns3/modules/qemu/dialogs/qemu_image_wizard.py
+++ b/gns3/modules/qemu/dialogs/qemu_image_wizard.py
@@ -16,13 +16,10 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.

 """
-Wizard for QEMU images.
+Wizard for QEMU disk images.
 """

-import os
-
-from gns3.qt import QtCore, QtGui, QtWidgets, QFileDialog
-from .. import Qemu
+from gns3.qt import QtCore, QtGui, QtWidgets
 from ..ui.qemu_image_wizard_ui import Ui_QemuImageWizard


@@ -32,19 +29,18 @@ class QemuImageWizard(QtWidgets.QWizard, Ui_QemuImageWizard):
    Wizard to create a Qemu VM.

    :param parent: parent widget
-    :param server: Server where the image should be created
+    :param node_or_server: node or server where the image should be created
    :param filename: Default filename of image.
-    :param folder: Default folder for the image. If absent, defaults to Qemu's images folder.
    :param size: Default size (in MiB) for the image.
    """

-    def __init__(self, parent, server, filename="disk", folder=None, size=30000):
+    def __init__(self, parent, node_or_server, filename="disk", size=30000):

        super().__init__(parent)

-        self._server = server
+        self._node_or_server = node_or_server
        self.setupUi(self)
-        self.setPixmap(QtWidgets.QWizard.LogoPixmap, QtGui.QPixmap(":/icons/qemu.svg"))
+        self.setPixmap(QtWidgets.QWizard.LogoPixmap, QtGui.QPixmap(":/symbols/qemu_guest.svg"))

        # Initialize "constants"
        self._mappings = {
@@ -57,45 +53,19 @@ class QemuImageWizard(QtWidgets.QWizard, Ui_QemuImageWizard):
        }

        # isComplete() overrides
-        self.uiSizeAndLocationWizardPage.isComplete = self._uiSizeAndLocationWizardPage_isComplete
-        self.uiBinaryWizardPage.isComplete = self._uiBinaryWizardPage_isComplete
+        self.uiNameAndSizeWizardPage.isComplete = self._uiNameAndSizeWizardPage_isComplete
+        self.uiFormatWizardPage.isComplete = self._uiFormatWizardPage_isComplete

        # Signal connections
        self.uiFormatRadios.buttonClicked.connect(self._formatChangedSlot)
-        self.uiLocationLineEdit.textChanged.connect(self._locationChangedSlot)
-        self.uiLocationBrowseToolButton.clicked.connect(self._browserSlot)
+        self.uiDiskFilenameLineEdit.textChanged.connect(self._filenameChangedSlot)

        # Finish setup
        self.page(self.pageIds()[-1]).validatePage = self._createDisk
-
-        # Default values
-        Qemu.instance().getQemuImgBinariesFromServer(self._server,
-                                                     self._getQemuImgBinariesFromServerCallback)
-        self.uiLocationLineEdit.setText(filename)
+        self.uiDiskFilenameLineEdit.setText(filename)
        self.uiSizeSpinBox.setValue(size)
        self._formatChangedSlot(self.uiFormatQcow2Radio)

-    def _getQemuImgBinariesFromServerCallback(self, result, error=False, **kwargs):
-        """
-        Callback for getQemuImgBinariesFromServer.
-
-        :param result: server response
-        :param error: indicates an error (boolean)
-        """
-
-        if error:
-            QtWidgets.QMessageBox.critical(self, "Qemu-img binaries", "{}".format(result["message"]))
-        else:
-            self.uiBinaryComboBox.clear()
-            for qemu in result:
-                if qemu["version"]:
-                    self.uiBinaryComboBox.addItem(
-                        "{path} (v{version})".format(path=qemu["path"], version=qemu["version"]), qemu["path"]
-                    )
-                else:
-                    self.uiBinaryComboBox.addItem("{path}".format(path=qemu["path"]), qemu["path"])
-        self.uiBinaryWizardPage.completeChanged.emit()
-
    def _getCreateDiskServerCallback(self, result, error=False, **kwargs):
        """
        :param result: server response
@@ -105,45 +75,34 @@ class QemuImageWizard(QtWidgets.QWizard, Ui_QemuImageWizard):
        if error:
            QtWidgets.QMessageBox.critical(self, "Create disk", "{}".format(result["message"]))

-    def _uiSizeAndLocationWizardPage_isComplete(self):
-        return not "" == self.uiLocationLineEdit.text()
+    def _uiNameAndSizeWizardPage_isComplete(self):

-    def _uiBinaryWizardPage_isComplete(self):
-        return self.uiFormatRadios.checkedButton() is not None and self.uiBinaryComboBox.currentData() is not None
+        return not "" == self.uiDiskFilenameLineEdit.text()

-    def _locationChangedSlot(self, new_value):
-        self.uiSizeAndLocationWizardPage.completeChanged.emit()
+    def _uiFormatWizardPage_isComplete(self):

-    def _browserSlot(self):
-        path, name_filter = QFileDialog.getSaveFileName(
-            self,
-            'Image location',
-            self.uiLocationLineEdit.text(),
-            '{0} files (*{1});;All files (*)'.format(
-                self.uiFormatRadios.checkedButton().text(),
-                self._mappings[self.uiFormatRadios.checkedButton()][1]
-            ),
-            options=QFileDialog.DontConfirmOverwrite
-        )
-        if path:
-            self.uiLocationLineEdit.setText(path)
+        return self.uiFormatRadios.checkedButton() is not None
+
+    def _filenameChangedSlot(self, new_value):
+
+        self.uiNameAndSizeWizardPage.completeChanged.emit()

    def _formatChangedSlot(self, new_format):
-        dir, filename = os.path.split(self.uiLocationLineEdit.text())
+
+        filename = self.uiDiskFilenameLineEdit.text().strip()
        try:
            filename = filename[:filename.rindex('.')] + self._mappings[new_format][1]
        except ValueError:
            # The file has no extension; Just give it one
            filename = filename + self._mappings[new_format][1]
-        self.uiLocationLineEdit.setText(os.path.join(dir, filename))
-        self.uiBinaryWizardPage.completeChanged.emit()
+        self.uiDiskFilenameLineEdit.setText(filename)
+        self.uiFormatWizardPage.completeChanged.emit()

    def _createDisk(self):
-        selected_format = self.uiFormatRadios.checkedButton()

+        selected_format = self.uiFormatRadios.checkedButton()
+        disk_image_filename = self.uiDiskFilenameLineEdit.text().strip()
        options = {}
-        options["path"] = self.uiLocationLineEdit.text()
-        options["qemu_img"] = self.uiBinaryComboBox.currentData()
        options["format"] = self._mappings[selected_format][0]
        options["size"] = self.uiSizeSpinBox.value()

@@ -214,11 +173,12 @@ class QemuImageWizard(QtWidgets.QWizard, Ui_QemuImageWizard):
                    }
                    options['subformat'] = two + size_mode_mappings[size_mode]

-        Qemu.instance().createDiskImage(self._server, self._getCreateDiskServerCallback, options)
+        self._node_or_server.createDiskImage(disk_image_filename, options, self._getCreateDiskServerCallback)
        return True

    def nextId(self):
-        if self.page(self.currentId()) == self.uiBinaryWizardPage:
+
+        if self.page(self.currentId()) == self.uiFormatWizardPage:
            current_format = self.uiFormatRadios.checkedButton()
            if not current_format:
                return self.currentId()
--- a/gns3/modules/qemu/dialogs/qemu_vm_wizard.py
+++ b/gns3/modules/qemu/dialogs/qemu_vm_wizard.py
@@ -43,7 +43,7 @@ class QemuVMWizard(VMWithImagesWizard, Ui_QemuVMWizard):
    def __init__(self, qemu_vms, parent):

        super().__init__(qemu_vms, parent)
-        self.setPixmap(QtWidgets.QWizard.LogoPixmap, QtGui.QPixmap(":/icons/qemu.svg"))
+        self.setPixmap(QtWidgets.QWizard.LogoPixmap, QtGui.QPixmap(":/symbols/qemu_guest.svg"))

        # Mandatory fields
        self.uiNameWizardPage.registerField("vm_name*", self.uiNameLineEdit)
@@ -55,31 +55,6 @@ class QemuVMWizard(VMWithImagesWizard, Ui_QemuVMWizard):
        self.addImageSelector(self.uiLinuxExistingImageRadioButton, self.uiInitrdImageListComboBox, self.uiInitrdImageLineEdit, self.uiInitrdImageToolButton, QemuVMConfigurationPage.getDiskImage)
        self.addImageSelector(self.uiLinuxExistingImageRadioButton, self.uiKernelImageListComboBox, self.uiKernelImageLineEdit, self.uiKernelImageToolButton, QemuVMConfigurationPage.getDiskImage)

-    def validateCurrentPage(self):
-        """
-        Validates the server.
-        """
-
-        if super().validateCurrentPage() is False:
-            return False
-
-        if self.currentPage() == self.uiNameWizardPage:
-            if self.uiLegacyASACheckBox.isChecked():
-                QtWidgets.QMessageBox.warning(self, "Legacy ASA VM", "Running ASA (with initrd/kernel) is not recommended and will not work on Windows 10, please use ASAv instead")
-                self.uiRamSpinBox.setValue(1024)
-            else:
-                self.uiRamSpinBox.setValue(256)
-
-        if self.currentPage() == self.uiBinaryMemoryWizardPage:
-            if not self.uiQemuListComboBox.count():
-                QtWidgets.QMessageBox.critical(self, "QEMU binaries", "Sorry, no QEMU binary has been found. Please make sure QEMU is installed before continuing")
-                return False
-            qemu_path = self.uiQemuListComboBox.itemData(self.uiQemuListComboBox.currentIndex())
-
-            if sys.platform.startswith("darwin") and "GNS3.app" in qemu_path:
-                QtWidgets.QMessageBox.warning(self, "Qemu binaries", "This version of qemu is obsolete and provided only for compatibility with old GNS3 versions.\nPlease use Qemu in the GNS3 VM for full Qemu support.")
-        return True
-
    def initializePage(self, page_id):

        super().initializePage(page_id)
@@ -89,53 +64,13 @@ class QemuVMWizard(VMWithImagesWizard, Ui_QemuVMWizard):
                QtWidgets.QMessageBox.warning(self, "QEMU on Windows or Mac", "The recommended way to run QEMU on Windows and OSX is to use the GNS3 VM")

        if self.page(page_id) in [self.uiDiskWizardPage, self.uiInitrdKernelImageWizardPage]:
-            self.loadImagesList("/qemu/images")
-        elif self.page(page_id) == self.uiBinaryMemoryWizardPage:
-            try:
-                Qemu.instance().getQemuBinariesFromServer(self._compute_id, self._getQemuBinariesFromServerCallback)
-            except ModuleError as e:
-                QtWidgets.QMessageBox.critical(self, "Qemu binaries", "Error while getting the QEMU binaries: {}".format(e))
-
-    def _getQemuBinariesFromServerCallback(self, result, error=False, **kwargs):
-        """
-        Callback for getQemuBinariesFromServer.
-
-        :param result: server response
-        :param error: indicates an error (boolean)
-        """
-
-        if error:
-            QtWidgets.QMessageBox.critical(self, "Qemu binaries", "{}".format(result["message"]))
-        else:
-            self.uiQemuListComboBox.clear()
-            for qemu in result:
-                if qemu["version"]:
-                    self.uiQemuListComboBox.addItem("{path} (v{version})".format(path=qemu["path"], version=qemu["version"]), qemu["path"])
-                else:
-                    self.uiQemuListComboBox.addItem("{path}".format(path=qemu["path"]), qemu["path"])
-
-            is_64bit = sys.maxsize > 2 ** 32
-            if ComputeManager.instance().localPlatform().startswith("win") and self.uiLocalRadioButton.isChecked():
-                if self.uiLegacyASACheckBox.isChecked():
-                    search_string = r"qemu-0.13.0\qemu-system-i386w.exe"
-                elif is_64bit:
-                    # default is qemu-system-x86_64w.exe on Windows 64-bit with a remote server
-                    search_string = "x86_64w.exe"
-                else:
-                    # default is qemu-system-i386w.exe on Windows 32-bit with a remote server
-                    search_string = "i386w.exe"
-            elif ComputeManager.instance().localPlatform().startswith("darwin") and hasattr(sys, "frozen") and self.uiLocalRadioButton.isChecked():
-                search_string = "GNS3.app/Contents/MacOS/qemu/bin/qemu-system-x86_64"
-            elif is_64bit:
-                # default is qemu-system-x86_64 on other 64-bit platforms
-                search_string = "x86_64"
-            else:
-                # default is qemu-system-i386 on other platforms
-                search_string = "i386"
-
-            index = self.uiQemuListComboBox.findData(search_string, flags=QtCore.Qt.MatchEndsWith)
+            self.loadImagesList("qemu")
+        elif self.page(page_id) == self.uiPlatformMemoryWizardPage:
+            platforms = Qemu.getQemuPlatforms()
+            self.uiQemuPlatformComboBox.addItems(platforms)
+            index = self.uiQemuPlatformComboBox.findText("x86_64", flags=QtCore.Qt.MatchEndsWith)
            if index != -1:
-                self.uiQemuListComboBox.setCurrentIndex(index)
+                self.uiQemuPlatformComboBox.setCurrentIndex(index)

    def getSettings(self):
        """
@@ -145,11 +80,11 @@ class QemuVMWizard(VMWithImagesWizard, Ui_QemuVMWizard):
        """

        console_type = self.uiQemuConsoleTypeComboBox.itemText(self.uiQemuConsoleTypeComboBox.currentIndex())
-        qemu_path = self.uiQemuListComboBox.itemData(self.uiQemuListComboBox.currentIndex())
+        qemu_platform = self.uiQemuPlatformComboBox.itemText(self.uiQemuPlatformComboBox.currentIndex())
        settings = {
            "name": self.uiNameLineEdit.text(),
            "ram": self.uiRamSpinBox.value(),
-            "qemu_path": qemu_path,
+            "platform": qemu_platform,
            "compute_id": self._compute_id,
            "category": Node.end_devices,
            "console_type": console_type
@@ -159,25 +94,8 @@ class QemuVMWizard(VMWithImagesWizard, Ui_QemuVMWizard):
            settings["hda_disk_image"] = self.uiHdaDiskImageLineEdit.text().strip()
            settings["hda_disk_interface"] = "ide"

-        if self.uiLegacyASACheckBox.isChecked():
-            # special settings for legacy ASA VM
-            settings["adapters"] = 4
-            settings["initrd"] = self.uiInitrdImageLineEdit.text()
-            settings["kernel_image"] = self.uiKernelImageLineEdit.text()
-            settings["kernel_command_line"] = "ide_generic.probe_mask=0x01 ide_core.chs=0.0:980,16,32 auto nousb console=ttyS0,9600 bigphysarea=65536 ide1=noprobe no-hlt -net nic"
-            settings["options"] = "-machine accel=tcg -icount auto"
-            if not sys.platform.startswith("darwin"):
-                settings["cpu_throttling"] = 80  # limit to 80% CPU usage
-            settings["process_priority"] = "low"
-            settings["symbol"] = ":/symbols/asa.svg"
-            settings["category"] = Node.security_devices
-
        if "options" not in settings:
            settings["options"] = ""
-        if self._compute_id == "local" and (sys.platform.startswith("win") and qemu_path.endswith(r"qemu-0.11.0\qemu.exe")) or \
-                (sys.platform.startswith("darwin") and "GNS3.app" in qemu_path):
-            settings["options"] += " -vga none -vnc none"
-            settings["legacy_networking"] = True
        settings["options"] = settings["options"].strip()

        return settings
@@ -189,8 +107,6 @@ class QemuVMWizard(VMWithImagesWizard, Ui_QemuVMWizard):

        current_id = self.currentId()
        if self.page(current_id) == self.uiDiskWizardPage:
-            if self.uiLegacyASACheckBox.isChecked():
-                return self.uiDiskWizardPage.nextId()
            return -1
        elif self.page(current_id) == self.uiInitrdKernelImageWizardPage:
            return -1
--- a/gns3/modules/qemu/pages/qemu_vm_configuration_page.py
+++ b/gns3/modules/qemu/pages/qemu_vm_configuration_page.py
@@ -51,6 +51,8 @@ class QemuVMConfigurationPage(QtWidgets.QWidget, Ui_QemuVMConfigPageWidget):
        self._settings = None
        self._custom_adapters = []

+        self.uiQemuPlatformComboBox.addItems(Qemu.getQemuPlatforms())
+
        self.uiBootPriorityComboBox.addItem("HDD", "c")
        self.uiBootPriorityComboBox.addItem("CD/DVD-ROM", "d")
        self.uiBootPriorityComboBox.addItem("Network", "n")
@@ -88,7 +90,6 @@ class QemuVMConfigurationPage(QtWidgets.QWidget, Ui_QemuVMConfigPageWidget):
        self.uiInitrdToolButton.clicked.connect(self._initrdBrowserSlot)
        self.uiKernelImageToolButton.clicked.connect(self._kernelImageBrowserSlot)
        self.uiActivateCPUThrottlingCheckBox.stateChanged.connect(self._cpuThrottlingChangedSlot)
-        self.uiLegacyNetworkingCheckBox.stateChanged.connect(self._legacyNetworkingChangedSlot)
        self.uiCustomAdaptersConfigurationPushButton.clicked.connect(self._customAdaptersConfigurationSlot)
        self.uiCreateConfigDiskCheckBox.stateChanged.connect(self._createConfigDiskChangedSlot)

@@ -103,7 +104,6 @@ class QemuVMConfigurationPage(QtWidgets.QWidget, Ui_QemuVMConfigPageWidget):
        # Supported NIC models: e1000, e1000-82544gc, e1000-82545em, e1000e, i82550, i82551, i82557a, i82557b, i82557c, i82558a
        # i82558b, i82559a, i82559b, i82559c, i82559er, i82562, i82801, igb, ne2k_pci, pcnet, rocker, rtl8139, virtio-net-pci, vmxnet3
        # This list can be retrieved using "qemu-system-x86_64 -nic model=?" or "qemu-system-x86_64 -device help"
-        self._legacy_devices = ("e1000", "i82551", "i82557b", "i82559er", "ne2k_pci", "pcnet", "rtl8139", "virtio")
        self._qemu_network_devices = OrderedDict([("e1000", "Intel Gigabit Ethernet"),
                                                  ("e1000-82544gc", "Intel 82544GC Gigabit Ethernet"),
                                                  ("e1000-82545em", "Intel 82545EM Gigabit Ethernet"),
@@ -126,7 +126,6 @@ class QemuVMConfigurationPage(QtWidgets.QWidget, Ui_QemuVMConfigPageWidget):
                                                  ("pcnet", "AMD PCNet Ethernet"),
                                                  ("rocker", "Rocker L2 switch device"),
                                                  ("rtl8139", "Realtek 8139 Ethernet"),
-                                                  ("virtio", "Legacy paravirtualized Network I/O"),
                                                  ("virtio-net-pci", "Paravirtualized Network I/O"),
                                                  ("vmxnet3", "VMWare Paravirtualized Ethernet v3")])

@@ -145,20 +144,14 @@ class QemuVMConfigurationPage(QtWidgets.QWidget, Ui_QemuVMConfigPageWidget):
            self.uiSymbolLineEdit.setText(new_symbol_path)
            self.uiSymbolLineEdit.setToolTip('<img src="{}"/>'.format(new_symbol_path))

-    def _refreshQemuNetworkDevices(self, legacy_networking=False):
+    def _refreshQemuNetworkDevices(self,):
        """
        Refreshes the Qemu network device list.

-        :param legacy_networking: True if legacy networking is enabled.
        """

        self.uiAdapterTypesComboBox.clear()
        for device_name, device_description in self._qemu_network_devices.items():
-            if legacy_networking and device_name not in self._legacy_devices:
-                continue
-            # special case for virtio legacy networking
-            if not legacy_networking and device_name == "virtio":
-                continue
            self.uiAdapterTypesComboBox.addItem("{} ({})".format(device_description, device_name), device_name)

    @staticmethod
@@ -245,24 +238,64 @@ class QemuVMConfigurationPage(QtWidgets.QWidget, Ui_QemuVMConfigPageWidget):
            self.uiCdromImageLineEdit.setText(path)

    def _hdaDiskImageCreateSlot(self):
-        create_dialog = QemuImageWizard(self, self._compute_id, self.uiNameLineEdit.text() + '-hda')
-        if QtWidgets.QDialog.Accepted == create_dialog.exec_():
-            self.uiHdaDiskImageLineEdit.setText(create_dialog.uiLocationLineEdit.text())
+
+        if self._node:
+            create_dialog = QemuImageWizard(self, self._node, self.uiNameLineEdit.text() + '-hda')
+            if QtWidgets.QDialog.Accepted == create_dialog.exec_():
+                self.uiHdaDiskImageLineEdit.setText(create_dialog.uiDiskFilenameLineEdit.text())

    def _hdbDiskImageCreateSlot(self):
-        create_dialog = QemuImageWizard(self, self._compute_id, self.uiNameLineEdit.text() + '-hdb')
-        if QtWidgets.QDialog.Accepted == create_dialog.exec_():
-            self.uiHdbDiskImageLineEdit.setText(create_dialog.uiLocationLineEdit.text())
+
+        if self._node:
+            create_dialog = QemuImageWizard(self, self._node, self.uiNameLineEdit.text() + '-hdb')
+            if QtWidgets.QDialog.Accepted == create_dialog.exec_():
+                self.uiHdbDiskImageLineEdit.setText(create_dialog.uiDiskFilenameLineEdit.text())

    def _hdcDiskImageCreateSlot(self):
-        create_dialog = QemuImageWizard(self, self._compute_id, self.uiNameLineEdit.text() + '-hdc')
-        if QtWidgets.QDialog.Accepted == create_dialog.exec_():
-            self.uiHdcDiskImageLineEdit.setText(create_dialog.uiLocationLineEdit.text())
+
+        if self._node:
+            create_dialog = QemuImageWizard(self, self._node, self.uiNameLineEdit.text() + '-hdc')
+            if QtWidgets.QDialog.Accepted == create_dialog.exec_():
+                self.uiHdcDiskImageLineEdit.setText(create_dialog.uiDiskFilenameLineEdit.text())

    def _hddDiskImageCreateSlot(self):
-        create_dialog = QemuImageWizard(self, self._compute_id, self.uiNameLineEdit.text() + '-hdd')
-        if QtWidgets.QDialog.Accepted == create_dialog.exec_():
-            self.uiHddDiskImageLineEdit.setText(create_dialog.uiLocationLineEdit.text())
+
+        if self._node:
+            create_dialog = QemuImageWizard(self, self._node, self.uiNameLineEdit.text() + '-hdd')
+            if QtWidgets.QDialog.Accepted == create_dialog.exec_():
+                self.uiHddDiskImageLineEdit.setText(create_dialog.uiDiskFilenameLineEdit.text())
+
+    def _hdaDiskImageResizeSlot(self):
+
+        disk_image_filename = self.uiHdaDiskImageLineEdit.text().strip()
+        if disk_image_filename:
+            size, ok = QtWidgets.QInputDialog.getInt(self, "HDA disk size", "Increase hda disk size in MB:", 10000, 1, 1000000000, 1000)
+            if ok and self._node:
+                self._node.resizeDiskImage(disk_image_filename, size, self._resizeDiskImageCallback)
+
+    def _hdbDiskImageResizeSlot(self):
+
+        disk_image_filename = self.uiHdbDiskImageLineEdit.text()
+        if disk_image_filename:
+            size, ok = QtWidgets.QInputDialog.getInt(self, "HDB disk size", "Increase hdb disk size in MB:", 10000, 1, 1000000000, 1000)
+            if ok and self._node:
+                self._node.resizeDiskImage(disk_image_filename, size, self._resizeDiskImageCallback)
+
+    def _hdcDiskImageResizeSlot(self):
+
+        disk_image_filename = self.uiHdcDiskImageLineEdit.text()
+        if disk_image_filename:
+            size, ok = QtWidgets.QInputDialog.getInt(self, "HDC disk size", "Increase hdc disk size in MB:", 10000, 1, 1000000000, 1000)
+            if ok and self._node:
+                self._node.resizeDiskImage(disk_image_filename, size, self._resizeDiskImageCallback)
+
+    def _hddDiskImageResizeSlot(self):
+
+        disk_image_filename = self.uiHddDiskImageLineEdit.text()
+        if disk_image_filename:
+            size, ok = QtWidgets.QInputDialog.getInt(self, "HDD disk size", "Increase hdd disk size in MB:", 10000, 1, 1000000000, 1000)
+            if ok and self._node:
+                self._node.resizeDiskImage(disk_image_filename, size, self._resizeDiskImageCallback)

    def _resizeDiskImageCallback(self, result, error=False, **kwargs):
        """
@@ -277,25 +310,6 @@ class QemuVMConfigurationPage(QtWidgets.QWidget, Ui_QemuVMConfigPageWidget):
        else:
            QtWidgets.QMessageBox.information(self, "Disk image", "The disk has been resized")

-    def _hdaDiskImageResizeSlot(self):
-        size, ok = QtWidgets.QInputDialog.getInt(self, "HDA disk size", "Increase hda disk size in MB:", 10000, 1, 1000000000, 1000)
-        if ok and self._node:
-            self._node.resizeDiskImage("hda", size, self._resizeDiskImageCallback)
-
-    def _hdbDiskImageResizeSlot(self):
-        size, ok = QtWidgets.QInputDialog.getInt(self, "HDB disk size", "Increase hdb disk size in MB:", 10000, 1, 1000000000, 1000)
-        if ok and self._node:
-            self._node.resizeDiskImage("hdb", size, self._resizeDiskImageCallback)
-
-    def _hdcDiskImageResizeSlot(self):
-        size, ok = QtWidgets.QInputDialog.getInt(self, "HDC disk size", "Increase hdc disk size in MB:", 10000, 1, 1000000000, 1000)
-        if ok and self._node:
-            self._node.resizeDiskImage("hdc", size, self._resizeDiskImageCallback)
-
-    def _hddDiskImageResizeSlot(self):
-        size, ok = QtWidgets.QInputDialog.getInt(self, "HDD disk size", "Increase hdd disk size in MB:", 10000, 1, 1000000000, 1000)
-        if ok and self._node:
-            self._node.resizeDiskImage("hdd", size, self._resizeDiskImageCallback)

    def _initrdBrowserSlot(self):
        """
@@ -317,40 +331,6 @@ class QemuVMConfigurationPage(QtWidgets.QWidget, Ui_QemuVMConfigPageWidget):
            self.uiKernelImageLineEdit.clear()
            self.uiKernelImageLineEdit.setText(path)

-    def _getQemuBinariesFromServerCallback(self, result, error=False, qemu_path=None, **kwargs):
-        """
-        Callback for getQemuBinariesFromServer.
-
-        :param result: server response
-        :param error: indicates an error (boolean)
-        """
-
-        if sip_is_deleted(self.uiQemuListComboBox) or sip_is_deleted(self):
-            return
-
-        if error:
-            QtWidgets.QMessageBox.critical(self, "Qemu binaries", "{}".format(result["message"]))
-        else:
-            self.uiQemuListComboBox.clear()
-            for qemu in result:
-                if qemu["version"]:
-                    self.uiQemuListComboBox.addItem("{path} (v{version})".format(path=qemu["path"], version=qemu["version"]), qemu["path"])
-                else:
-                    self.uiQemuListComboBox.addItem("{path}".format(path=qemu["path"]), qemu["path"])
-
-        if qemu_path and "/" not in qemu_path and "\\" not in qemu_path:
-            self.uiQemuListComboBox.addItem("{path}".format(path=qemu_path), qemu_path)
-
-        index = self.uiQemuListComboBox.findData("{path}".format(path=qemu_path))
-        if index != -1:
-            self.uiQemuListComboBox.setCurrentIndex(index)
-        else:
-            index = self.uiQemuListComboBox.findData("{path}".format(path=os.path.basename(qemu_path)), flags=QtCore.Qt.MatchEndsWith)
-            self.uiQemuListComboBox.setCurrentIndex(index)
-            if index == -1:
-                QtWidgets.QMessageBox.warning(self, "Qemu","Could not find '{}' in the Qemu binaries list, please select a new binary".format(qemu_path))
-            else:
-                QtWidgets.QMessageBox.warning(self, "Qemu","Could not find '{}' in the Qemu binaries list, an alternative path has been selected".format(qemu_path))

    def _cpuThrottlingChangedSlot(self, state):
        """
@@ -362,16 +342,6 @@ class QemuVMConfigurationPage(QtWidgets.QWidget, Ui_QemuVMConfigPageWidget):
        else:
            self.uiCPUThrottlingSpinBox.setEnabled(False)

-    def _legacyNetworkingChangedSlot(self, state):
-        """
-        Slot to enable or not legacy networking.
-        """
-
-        if state:
-            self._refreshQemuNetworkDevices(legacy_networking=True)
-        else:
-            self._refreshQemuNetworkDevices()
-
    def _createConfigDiskChangedSlot(self, state):
        """
        Slot to allow or not HDD disk to be configured based on the state of the config disk option.
@@ -420,16 +390,7 @@ class QemuVMConfigurationPage(QtWidgets.QWidget, Ui_QemuVMConfigPageWidget):
            QtWidgets.QMessageBox.critical(self, "Invalid format", "Invalid port name format")
            return

-        if self.uiLegacyNetworkingCheckBox.isChecked():
-            network_devices = {}
-            for nic, desc in self._qemu_network_devices.items():
-                if nic in self._legacy_devices:
-                    network_devices[nic] = desc
-        else:
-            network_devices = self._qemu_network_devices.copy()
-            # special case for virtio legacy networking
-            network_devices.pop("virtio")
-
+        network_devices = self._qemu_network_devices.copy()
        dialog = CustomAdaptersConfigurationDialog(ports, self._custom_adapters, default_adapter, network_devices, base_mac_address, parent=self)
        dialog.show()
        dialog.exec_()
@@ -451,12 +412,6 @@ class QemuVMConfigurationPage(QtWidgets.QWidget, Ui_QemuVMConfigPageWidget):
            self._compute_id = settings["compute_id"]
            self._node = None

-        if self._compute_id is None:
-            QtWidgets.QMessageBox.warning(self, "Qemu", "Server {} is not running, cannot retrieve the QEMU binaries list".format(settings["compute_id"]))
-        else:
-            callback = qpartial(self._getQemuBinariesFromServerCallback, qemu_path=settings["qemu_path"])
-            Qemu.instance().getQemuBinariesFromServer(self._compute_id, callback)
-
        if not group:
            # set the device name
            self.uiNameLineEdit.setText(settings["name"])
@@ -513,6 +468,11 @@ class QemuVMConfigurationPage(QtWidgets.QWidget, Ui_QemuVMConfigPageWidget):
            self.uiPortSegmentSizeSpinBox.setValue(settings["port_segment_size"])
            self.uiFirstPortNameLineEdit.setText(settings["first_port_name"])

+            self.uiHdaDiskImageCreateToolButton.hide()
+            self.uiHdbDiskImageCreateToolButton.hide()
+            self.uiHdcDiskImageCreateToolButton.hide()
+            self.uiHddDiskImageCreateToolButton.hide()
+
            self.uiHdaDiskImageResizeToolButton.hide()
            self.uiHdbDiskImageResizeToolButton.hide()
            self.uiHdcDiskImageResizeToolButton.hide()
@@ -533,6 +493,10 @@ class QemuVMConfigurationPage(QtWidgets.QWidget, Ui_QemuVMConfigPageWidget):
            self.uiFirstPortNameLabel.hide()
            self.uiFirstPortNameLineEdit.hide()

+        index = self.uiQemuPlatformComboBox.findText(settings["platform"])
+        if index != -1:
+            self.uiQemuPlatformComboBox.setCurrentIndex(index)
+
        index = self.uiBootPriorityComboBox.findData(settings["boot_priority"])
        if index != -1:
            self.uiBootPriorityComboBox.setCurrentIndex(index)
@@ -541,12 +505,14 @@ class QemuVMConfigurationPage(QtWidgets.QWidget, Ui_QemuVMConfigPageWidget):
        if index != -1:
            self.uiConsoleTypeComboBox.setCurrentIndex(index)

+        index = self.uiAuxTypeComboBox.findText(settings["aux_type"])
+        if index != -1:
+            self.uiAuxTypeComboBox.setCurrentIndex(index)
+
        self.uiConsoleAutoStartCheckBox.setChecked(settings["console_auto_start"])
        self.uiKernelCommandLineEdit.setText(settings["kernel_command_line"])
        self.uiAdaptersSpinBox.setValue(settings["adapters"])
        self._custom_adapters = settings["custom_adapters"].copy()
-
-        self.uiLegacyNetworkingCheckBox.setChecked(settings["legacy_networking"])
        self.uiReplicateNetworkConnectionStateCheckBox.setChecked(settings["replicate_network_connection_state"])

        # load the MAC address setting
@@ -577,6 +543,7 @@ class QemuVMConfigurationPage(QtWidgets.QWidget, Ui_QemuVMConfigPageWidget):
        index = self.uiProcessPriorityComboBox.findText(settings["process_priority"], QtCore.Qt.MatchFixedString)
        if index != -1:
            self.uiProcessPriorityComboBox.setCurrentIndex(index)
+        self.uiQemuPathLineEdit.setText(settings["qemu_path"])
        self.uiQemuOptionsLineEdit.setText(settings["options"])
        self.uiUsageTextEdit.setPlainText(settings["usage"])
        self.uiTPMCheckBox.setChecked(settings["tpm"])
@@ -658,17 +625,11 @@ class QemuVMConfigurationPage(QtWidgets.QWidget, Ui_QemuVMConfigPageWidget):
            settings["port_segment_size"] = port_segment_size
            settings["first_port_name"] = first_port_name

-        if self.uiQemuListComboBox.currentIndex() != -1:
-            qemu_path = self.uiQemuListComboBox.itemData(self.uiQemuListComboBox.currentIndex())
-            settings["qemu_path"] = qemu_path
-        else:
-            QtWidgets.QMessageBox.critical(self, "Qemu binary", "Please select a Qemu binary")
-            if node:
-                raise ConfigurationError()
-
+        settings["platform"] = self.uiQemuPlatformComboBox.itemText(self.uiQemuPlatformComboBox.currentIndex())
        settings["boot_priority"] = self.uiBootPriorityComboBox.itemData(self.uiBootPriorityComboBox.currentIndex())
        settings["console_type"] = self.uiConsoleTypeComboBox.currentText().lower()
        settings["console_auto_start"] = self.uiConsoleAutoStartCheckBox.isChecked()
+        settings["aux_type"] = self.uiAuxTypeComboBox.currentText().lower()
        settings["adapter_type"] = self.uiAdapterTypesComboBox.itemData(self.uiAdapterTypesComboBox.currentIndex())
        settings["kernel_command_line"] = self.uiKernelCommandLineEdit.text()

@@ -682,7 +643,6 @@ class QemuVMConfigurationPage(QtWidgets.QWidget, Ui_QemuVMConfigPageWidget):
                    raise ConfigurationError()

        settings["adapters"] = adapters
-        settings["legacy_networking"] = self.uiLegacyNetworkingCheckBox.isChecked()
        settings["replicate_network_connection_state"] = self.uiReplicateNetworkConnectionStateCheckBox.isChecked()
        settings["custom_adapters"] = self._custom_adapters.copy()
        settings["on_close"] = self.uiOnCloseComboBox.itemData(self.uiOnCloseComboBox.currentIndex())
@@ -693,6 +653,7 @@ class QemuVMConfigurationPage(QtWidgets.QWidget, Ui_QemuVMConfigPageWidget):
        else:
            settings["cpu_throttling"] = 0
        settings["process_priority"] = self.uiProcessPriorityComboBox.currentText().lower()
+        settings["qemu_path"] = self.uiQemuPathLineEdit.text().strip()
        settings["options"] = self.uiQemuOptionsLineEdit.text()
        settings["usage"] = self.uiUsageTextEdit.toPlainText()
        settings["tpm"] = self.uiTPMCheckBox.isChecked()
--- a/gns3/modules/qemu/pages/qemu_vm_preferences_page.py
+++ b/gns3/modules/qemu/pages/qemu_vm_preferences_page.py
@@ -84,18 +84,27 @@ class QemuVMPreferencesPage(QtWidgets.QWidget, Ui_QemuVMPreferencesPageWidget):
        if qemu_vm["linked_clone"]:
            QtWidgets.QTreeWidgetItem(section_item, ["Default name format:", qemu_vm["default_name_format"]])
        try:
-            QtWidgets.QTreeWidgetItem(section_item, ["Server:", ComputeManager.instance().getCompute(qemu_vm["compute_id"]).name()])
+            compute_id = qemu_vm.get("compute_id")
+            if compute_id:
+                QtWidgets.QTreeWidgetItem(section_item, ["Compute:", ComputeManager.instance().getCompute(compute_id).name()])
+            else:
+                if Controller.instance().settings()["dynamic_compute_allocation"]:
+                    msg = "Dynamically allocated by the controller"
+                else:
+                    msg = "Manually chosen"
+                QtWidgets.QTreeWidgetItem(section_item, ["Compute:", msg])
        except KeyError:
            pass
+        QtWidgets.QTreeWidgetItem(section_item, ["QEMU platform:", os.path.basename(qemu_vm["platform"])])
+        if qemu_vm["qemu_path"]:
+            QtWidgets.QTreeWidgetItem(section_item, ["Custom QEMU path:", qemu_vm["qemu_path"]])
        QtWidgets.QTreeWidgetItem(section_item, ["Console type:", qemu_vm["console_type"]])
        QtWidgets.QTreeWidgetItem(section_item, ["Auto start console:", "{}".format(qemu_vm["console_auto_start"])])
+        QtWidgets.QTreeWidgetItem(section_item, ["Auxiliary console type:", qemu_vm["aux_type"]])
        QtWidgets.QTreeWidgetItem(section_item, ["CPUs:", str(qemu_vm["cpus"])])
        QtWidgets.QTreeWidgetItem(section_item, ["Memory:", "{} MB".format(qemu_vm["ram"])])
        QtWidgets.QTreeWidgetItem(section_item, ["Linked base VM:", "{}".format(qemu_vm["linked_clone"])])

-        if qemu_vm["qemu_path"]:
-            QtWidgets.QTreeWidgetItem(section_item, ["QEMU binary:", os.path.basename(qemu_vm["qemu_path"])])
-
        # fill out the Hard disks section
        if qemu_vm["hda_disk_image"] or qemu_vm["hdb_disk_image"] or qemu_vm["hdc_disk_image"] or qemu_vm["hdd_disk_image"]:
            section_item = self._createSectionItem("Hard disks")
--- a/Show More
+++ b/Show More