Linux – RDP with Audio and Microphone Support

You need to make sure that the layout of the command you are typing is correct. If you have one thing messed up or in the wrong location then you will have an error no matter what you try.

the command you tried to run $ xfreerdp /f /rfx /cert-ignore /v:farm.company.com /d:company.com /g:rds.company.com /u:administrator /p:

you need to type the command like this- xfreerdp /cert-ignore /v:WORKSTATION /d:DOMAIN /u:USERNAME /p:PASSWORD /g:GATEWAY

Now if you are not using the same account for the terminal server for the RD gateway then you will have to run this- xfreerdp /v:WORKSTATION /d:DOMAIN /u:USERNAME /p:PASSWORD /g:GATEWAY /gd:GATEWAYDOMAIN /gu:GATEWAYUSERNAME /gp:GATEWAYPASSWORD. The reason this is needed is if the user that is connecting is not already saved in the rd gateway as an authorized account it will refuse to connect that user. so the main user for the gateway that has all the rights to access the connect will be able to force connect them through and it shoud make the full connection. This allows for a sort of force connection

Also make sure that your router you are using at the company is configured to have access from remote connections from outside the office. This will also cause for connection failures if it was never setup or configured incorrectly.

To take control of a running X session you will need to configure your VNC server to connect to the same display as X. Generally, X will be connected to the first display - :0.

You will also need the X Authority for that X session. This can be found by accessing the X Authority file that the remote Display Manager is using. This depends on your Display Manager and can be found using ps aux and grep. For example: psaux | grep Xorg gives you something similar to:

/usr/libexec/Xorg -background none :0 -seat seat0 -auth /var/run/lightdm/root/:0 -listen tcp vt1 -noswitch

Note the -auth option as you'll need it with VNC. You then need to run something like the following as root on the remote computer after installing x11vnc:

/usr/bin/x11vnc -norc -forever -shared -bg -autoport 5900 -auth /var/run/lightdm/root/:0

The easiest way would be to create a service that runs this for you on boot. On distros that use systemd, create a file /etc/systemd/system/x11vnc.service similar to the following:

[Unit]
Description=VNC Server for X11
Requires=display-manager.service
After=display-manager.service

[Service]
Type=forking
ExecStart=/usr/bin/x11vnc -norc -forever -shared -bg \
        -autoport 5900 \
        -rfbauth /etc/x11vnc.pass \
        -o /var/log/x11vnc.log \
        -auth /var/run/lightdm/root/:0

[Install]
WantedBy=graphical.target

Note the -rfbauth option. You'll need to create the password file beforehand using:

$ sudo x11vnc -storepasswd /etc/x11vnc.pass

Alternatively, if you don't feel you need password protected VNC sessions, then simply remove the -rfbauth line.

Enable at boot with:

$ sudo systemctl enable x11vnc.service

Start it manually with:

$ sudo systemctl start x11vnc.service

You can now connect to the remote computer with your VNC client and take over the session.