How are Linux environment variables DISPLAY and XAUTHORITY used?
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Published on 2010-03-25T00:14:35Z
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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 :0.0
(DISPLAY is set to :0.0 by default). What is causing this error message?
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