[Beowulf] Xorg question

[Pawel Krzywicki]

Thursday 30 July 2009 19:23:42 Mark Hahn napisał(a):
if you have configured ssh keys that should be easy.

ssh remoteaddress "glxinfo" >> file; cat file|more


> > 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:
>
> xinit /usr/X11R6/bin/xdpyinfo
>
> 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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-- 
Pawel Krzywicki