gtk warning cannot open display on redhat linux

5 pts.
Tags:
GTK Warning
RedHat
Redhat Linux
Ubuntu
Does anyone know how to solve this? I try all the document online such xhost + xauth export display The display=localhost:0.0 It works on ubuntu, but it does not work on redhat linux
ASKED: December 16, 2008  5:39 PM
UPDATED: December 17, 2008  9:43 PM

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If you have logged into X in a ‘normal’ fashion, you shouldn’t need to go through all that just to start an X application.
DISPLAY is the proper environment variable for display, though – not display. Try export DISPLAY=0.0 instead of
specifiying localhost. More detail on the steps that you are performing and the actual error message might help more.

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