[torqueusers] X forwarding in torque very slow (qsub -X)

Gabe Turner gabe at msi.umn.edu
Thu Mar 31 16:42:44 MDT 2011


On Fri, Apr 01, 2011 at 09:09:08AM +1100, Gareth.Williams at csiro.au wrote:
> If you want a workaround, it may be acceptable at your site to instead
> do:
> qsub -v DISPLAY=$DISPLAY
> and access the display you have set up on the login node.  This will
> probably work if you have a shared home directory and the xauth entry is
> accessible, but the DISPLAY needs to be set to a 'network accessible'
> (accessible for a compute node) like mycluster:10 or
> mycluster.mydomain:10 but not localhost:10 or just :10 (though you may be
> able to doctor the xauth and DISPLAY setting to work around that too).
> The sshd_config X11UseLocalhost(=)no setting comes in handy.

This has promise. My current plan was to just use an epilogue that made an
entry in pam's access.conf, allowing the user to ssh in directly.  I may
need to do a bit more crafting of DISPLAY, but I think your solution is
more flexible.

Thanks!

-- 
Gabe Turner                                             gabe at msi.umn.edu
HPC Systems Administrator,
University of Minnesota
Supercomputing Institute                          http://www.msi.umn.edu


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