Hi,

I am logged in as user Tom via x2go on my server. And in this session, I su to user Peter and want Peter to be able to use the same X session, i.e. display GUIs.

When I try this, it fails. I use xeyes as a test.

Error: Can't open display: unix:1077.0

I used already xhost (as Tom), to give everybody the right to use Tom's X display. xhost + access control disabled, clients can connect from any host

when I do a echo $DISPLAY as user Tom, I get:

:75

If I do the same as user Peter, I get:

unix:1077.0

how can I get user Peter to be able to share the GUI / X remote session via x2go from Tom?

How is x2go handling the DISPLAY variable? I think there lies the problem, not in the permissions.

What circumstance makes me need to get this working: I cannot open a separate x2go session for user Peter, which would definitely be easier.

I have tried this locally, on the server directly, and when I use xhost + and set the display variable of Peter to the same as Tom, he can use Tom's display and display xeyes.

Any pointers would be appreciated!

thanks

Markus