diff --git a/web/support/FAQ.rst b/web/support/FAQ.rst
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--- a/web/support/FAQ.rst
+++ b/web/support/FAQ.rst
@@ -652,3 +652,73 @@ I have registered through the Form-based registration and now I am trying to log
 Please enter `cloudusers` in the domain field.
 
 
+How to get a Graphical GUI for your OpenStack VM (tested on Ubuntu 20.04 server)
+----------------------------------------------------------------------------
+This FAQ explains how to install a grphical Environment and VNC on an OpenStack instance and how to access 
+it without exposing VNC service to the Internet.
+
+Requirements for local machine:
+
+- a VNC Client (Remmina, TigerVNC, ChickenOfTheVNC...)
+- an SSH Client
+
+The following instructions work straightforward on Linux and MacOS; on Windows some adjustments are required, 
+it depends on your SSH Client.
+
+**XFCE4 Desktop Environment**
+
+1. SSH login to your OpenStack VM
+2. install XFCE4: `sudo apt-get install xfce4 xfce4-goodies gnome-icon-theme tigervnc-standalone-server` 
+     (if you need a more complete desktop environment then install also **xubuntu-desktop**)
+3. create a .vnc folder in your user home: `mkdir .vnc`
+4. create xstartup file in `~/.vnc/` and paste the following content:
+     :: 
+     #!/bin/bash
+     xrdb $HOME/.Xresources
+     startxfce4 &
+     ::
+5. run `vncpasswd` and set VNC password (you can skip the viewer password)
+6. run `vncserver -geometry WIDTHxHEIGHT -localhost yes -rfbport PORT`, replace **WIDTH** and **HEIGHT** with 
+     desired values (ex: 1024x768) and PORT (ex: 5901, default port)
+7. on your local machine run: `ssh -L LOCAL_PORT:127.0.0.1:PORT USER@VM_IP`; choose a port and replace 
+     **LOCAL_PORT** with a valid port; replace **PORT** with the same port used in previous step.
+8. on your local machine run a VNC Client and connect to **127.0.0.1:LOCAL_PORT**, when required insert VNC password (from step 5)
+
+
+**GNOME Desktop Environment**
+
+1. SSH login to your OpenStack VM
+2. install XFCE4: `sudo apt-get install ubuntu-gnome-desktop gnome-icon-theme tigervnc-standalone-server`
+3. create a .vnc folder in your user home: `mkdir .vnc`
+4. create xstartup file in `~/.vnc/` and paste the following content:
+     :: 
+     #!/bin/sh
+     # Start Gnome 3 Desktop 
+     [ -x /etc/vnc/xstartup ] && exec /etc/vnc/xstartup
+     [ -r $HOME/.Xresources ] && xrdb $HOME/.Xresources
+     vncconfig -iconic &
+     dbus-launch --exit-with-session gnome-session &
+     ::
+5. run `vncpasswd` and set VNC password (you can skip the viewer password)
+6. run `vncserver -geometry WIDTHxHEIGHT -localhost yes -rfbport PORT`, replace **WIDTH** and **HEIGHT** with 
+     desired values (ex: 1024x768) and PORT (ex: 5901, default port)
+7. on your local machine run: `ssh -L LOCAL_PORT:127.0.0.1:PORT USER@VM_IP`; choose a port and replace 
+     **LOCAL_PORT** with a valid port; replace **PORT** with the same port used in previous step.
+8. on your local machine run a VNC Client and connect to **127.0.0.1:LOCAL_PORT**, when required insert VNC password (from step 5)
+
+
+When you do not need anymore VNC you can stop it; on your OpenStack VM:
+
+1. run `vncserver --list`, you should get a list of active VNC displays
+     ::
+     testuser@test-gui:~$ vncserver --list
+
+     TigerVNC server sessions:
+
+     X DISPLAY #	RFB PORT #	PROCESS ID
+     :2		5902		36811
+     ::
+2. kill the proper VNC display: `vncserver -kill :DISPLAY`, replace **DISPLAY** with correct value (ex: 2 in our example)
+3. logout
+
+To restart VNC server just login and follow steps from 6. to 8..
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