[slurm-users] Issue with x11

Tina Friedrich tina.friedrich at it.ox.ac.uk
Wed May 15 10:01:42 UTC 2019


Indeed - am I the only person that finds that quite a bit annoying? A 
lot of interactive software works a lot better over things like NX, so 
why this limitation?

Tina

(I realise I'm not adding much the discussion, probably :) )

On 15/05/2019 08:36, Marcus Wagner wrote:
> Dear Mahmood,
> 
> please open a console in the VNC session, do a ssh -Y rocks7 in the 
> console (yes, relogin to the console) and try it again.
> SLURM does not want to use local displays, and a VNC session is a 
> "local" display, as far as it concerns linux and the X11 subsystem.
> So, you need to relogin or login to another frontend node by ssh to get 
> a remote display.
> 
> 
> Best
> Marcus
> 
> On 5/15/19 7:21 AM, Mahmood Naderan wrote:
>> >No, but you'll need to logout of rocks7 and ssh back into it.
>> >Are you physically logged into rocks7? Or are you connecting via SSH? 
>> $DISPLAY = :1 kind of means that you are physically logged into the 
>> machine
>>
>>
>> I am connecting through a vnc session. Right now, I have access to the 
>> desktop of the frontend and I open a terminal and run things.
>> I even
>> xclock is working on the frontend and compute-0-0 (through ssh -Y).
>>
>>
>> Regards,
>> Mahmood
>>
>>
>>
>>
> 
> -- 
> Marcus Wagner, Dipl.-Inf.
> 
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