[Beowulf] Xorg question
hahn at mcmaster.ca
Thu Jul 30 14:23:42 EDT 2009
> If I unset DISPLAY and reset it to DISPLAY=:0, I get 'cannot connect
> to DISPLAY'
that just means that the running X server is doing access control.
you have to start X without access control or hack it. I'd recommend
not having X running on cluster nodes normally (why would you!?!).
instead, I start X-requiring programs something like this:
it starts X for nothing but that command, and cleanly shuts down.
a more practical example might be:
xinit $command -- /usr/X11R6/bin/Xorg -dpms -s off -config xorg.conf
> I'm trying to avoid having to walk around to a bunch of workstations
> just to see if the Accelerated X drivers are installed and running
> instead of the Mesa drivers.
surely you can find that out from the X startup logs...
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