Hi William, Thanks for replying. Please see my comments below.
> On Fri, May 01, 2020 at 06:44:08PM +0000, Mun Johl wrote: > > Hi, > > > > > > > > I am using SGE on RHEL6. I am trying to launch a qsub job (a TCL script) > > via grid that will result in a GUI application being opened on the > > caller’s display (which is a VNC session). > Using qsub for this makes this more difficult than it needs to be since > qsub jobs run largely disconnected from the submit host. I wouldn't > have thought you would want a delay with something interactive like > this. As Reuti suggested you could set up ssh tight integration (with X > forwarding enabled in ssh) and then use qrsh -now n <command> to launch > your app. [Mun] I will pursue the method you and Reuti have suggested. Any tips or documentation to help get me there would be appreciated. Although, I will do some Google searches soon. > > What I’m seeing is that if I set DISPLAY to the actual VNC display (e.g. > > host1:4) in the wrapper script that invokes qsub, the GUI application > Have you checked that host1 resolves to on the machine where you submit > the job and the machine where it runs. If you are getting a failure to > connect it might be because you need to use the FQDN. [Mun] I have tried the FQDN and IP address; I get the same error (failure to connect). Only if I use the localhost:<display#> can I get the X11 window to pop up on the respective display. > > complains that it cannot make a connection. On a side note, I noticed > In general X11 servers don't allow random clients to talk to > the display. The app may be (mis-)reporting a failure to authorise as a > failure to connect. This has little to do with grid engine per se just a > side effect of running the app on a different machine from the X-Server. > You may need to perform some manipulations with xauth to enable it. > > Do the grid engine servers share home directories with the machine where > you are running qsub (eg via NFS or a cluster file system)? [Mun] Yes. The same directory structure is mounted on the login servers as well as the grid servers. Best regards, -- Mun _______________________________________________ users mailing list users@gridengine.org https://gridengine.org/mailman/listinfo/users
