It may or may not be an appropriate solution for your use cases, but I second using Open OnDemand and its virtual desktop. It is FAR more performant than X11 through Slurm/SSH.
*Jason L. Simms, Ph.D., M.P.H.* Research Computing Manager Swarthmore College Information Technology Services (610) 328-8102 On Fri, Jun 6, 2025 at 8:40 AM Hadrian Djohari via slurm-users < slurm-users@lists.schedmd.com> wrote: > Or use Open OnDemand platform for the interactive Desktop. > https://openondemand.org/ > > On Fri, Jun 6, 2025 at 8:37 AM John Hearns via slurm-users < > slurm-users@lists.schedmd.com> wrote: > >> Simon, I have had success in the past by using NICE DCV (now owned by AWS >> but you can get licenses for on prem) >> https://www.ni-sp.com/products/nice-dcv >> >> An alternative would be VirtualGL >> >> Altair Access (though more likely to work with PBS!) >> https://altair.com/access\ >> >> >> >> On Fri, 6 Jun 2025 at 10:42, Simon Andrews via slurm-users < >> slurm-users@lists.schedmd.com> wrote: >> >>> On our cluster we’ve noticed that if we use the native x11 slurm plugin >>> (PrologFlags=x11) then X applications work, but are really slow and >>> unresponsive. Even opening menus on graphical application is painfully >>> slow. >>> >>> >>> >>> On the same system if I do a direct ssh connection with ssh -YC from the >>> head node the same applications are quick and responsive. >>> >>> >>> >>> Any suggestions for what might be causing this, and how I can get the >>> native x11 to have the same responsiveness as a direct ssh connection? >>> >>> >>> >>> Many thanks >>> >>> >>> >>> Simon. >>> >>> -- >>> slurm-users mailing list -- slurm-users@lists.schedmd.com >>> To unsubscribe send an email to slurm-users-le...@lists.schedmd.com >>> >> >> -- >> slurm-users mailing list -- slurm-users@lists.schedmd.com >> To unsubscribe send an email to slurm-users-le...@lists.schedmd.com >> > > > -- > Hadrian Djohari > Director of Advanced Research Computing, [U]Tech > Case Western Reserve University > (W): 216-368-0395 > (M): 216-798-7490 > > -- > slurm-users mailing list -- slurm-users@lists.schedmd.com > To unsubscribe send an email to slurm-users-le...@lists.schedmd.com >
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