Did you compile SLURM with x11 support? El jue, 22 abr 2021 a las 15:21, Luis R. Torres (<lrtor...@gmail.com>) escribió:
> Hi Folks, > > I'm currently running a small but powerful 10 node cluster where we > require the scheduling of certain graphical apps. Our SLURM version is > 20.11.0, half our nodes are RHEL7 and the other half Ubuntu 18.04. > > Our slurm config related to x11 is: > > PrologFlags=*x*11 > > *X*11Parameters=home_*x*authority > > We get the following error when attempting to use forwarding using SLURM > > > srun --nodelist=node01 --x11 xeyes > > X11 connection rejected because of wrong authentication. > > Error: Can't open display: localhost:78.0 > > srun: error: node01: task 0: Exited with exit code 1 > > The steps we take are: > ssh -X user@login-node > [user@login-node]$ srun --nodelist=node01 --x11 xeyes > > No user accounts are allowed to SSH directly into execution nodes, only a > few special user accounts, however, those accounts have issues when using > --x11 but have NO issues when connecting directly (and forwarding) to the > execution nodes. > > We went through this group to determine if anyone else has had similar > issues resolved but I didn't find anything other than some > recommendations. Has someone actually resolved this particular (or very > similar) issue? > > Our sshd_config is as follows: > > X11Forwarding yes > > X11DisplayOffset 10 > > X11UseLocalhost no > > > Our cluster is configured with SlurmUser=slurm, not root. > > > Thanks, > -- > ---------------------------------------- > Luis R. Torres >
