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vote
1answer
79 views

GTK Linux application prior to gdm login remains on screen at login after program ends

I have a GTK Linux application which I want to use as an "Accept Terms of Usage" screen prior to the user logging in. The application is simple, a big Box with a Label and an Acknowledge button on ...
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3answers
6k views

How are Linux environment variables DISPLAY and XAUTHORITY used?

How are these 2 variables used by the X Window system? On my Ubuntu 9.10 host, if I set XAUTHORITY to anything and then try to run a GUI program, I receive a GTK-WARNING ***: cannot open display ...