From Blue-IT.org Wiki

X2Go (Homepage)is a remote control tool baed on nomachines nxserver technology (Homepage).

For Ubuntu there is a ppa available:

There is also an x2go portable-apps-client.


SSH Error

Reconnection a session gives you the following error:

The remote proxy closed the connection while negotiating the session. This may be due to the wrong authentication credentials passed to the server.


On server:

sudo apt-get remove --purge -y x2goserver x2goagent x2goclient
rm -rf ~/.x2go* ~/.nx
sudo apt-get install x2goserver

On client:

sudo apt-get remove --purge -y x2go*
rm -rf ~/.x2go* ~/.nx
sudo apt-get install x2goclient

Be sure you are using "16m-jpeg".