Re: [Condor-users] Executable that produce graphics (e.g. histograms)

[Erik Paulson <epaulson@xxxxxxxxxxx>]

On Fri, Sep 29, 2006 at 09:35:18AM -0700, David E. Konerding wrote:
>
> I've used Condor with X window applications before.  My solution was to 
> start a vncserver on the job host when the
> job started, point the application at that display, and then kill the 
> vncserver when the job is done.  The only tricky part is
> getting authorization to talk to that display; I edited my vncserver 
> xstartup script to run an xhost +`hostname` so
> that I could connect.  Not incredibly secure, I'm sure somebody who knew 
> more about xauth could give a better
> solution.
> 
> I've also configured cluster nodes that launch the X server at boot time 
> and log in as a user and run xhost +`hostname`. 
>

Another good one is Xvfb, the X virtual frame buffer. If your job insists
on having X but you don't want to look at it, you can run it under
Xvfb and the job is happy.

-Erik