Here is a related question...
If I login as root or a user, and then issue a su -, then suddenly programs
issued from the new login cannot access my screen, even after issuing a setenv
DISPLAY `hostname`:0.0 (in the tcsh/csh shell). But after issuing an xhost +
in the original login window, it works. I would rather not issue an xhost +,
since it opens up my machine to others when I am online. However, xhost +
`hostname` doesn't fix the problem.
Why in the world would I need to issue an xhost + to let my own machine display
to my own screen?!!! Could this be because I have changed the name of my
computer in the /etc/HOSTNAME and /etc/sysconfig/network files from
localhost.localdomain? Is there something I'm missing?
I am using RedHat 5.1 using the X_SuSE_Elsa_GLoria server for my Diamond Fire
GL 1000 Pro video card.
> Recently I installed Red Hat 5.1. When I try to run xvidtune or fstool I
> get an error message telling me
> it can't open the display (for xvidtune) and for fstool it tells me that it
> can't find the binding.tcl file and the $DISPLAY environment variable isn't
> set (gives me suggestion for binding.tcl, in which the file is there and I
> start fstool from there, but it still can't find it).
> My question: What type of settings are valid for the envir var. DISPLAY?
> Anyone had this problem?
> Tige D. Chastain