Hi William,
> On Mon, May 11, 2020 at 09:39:26PM +0000, Mun Johl wrote:
> > Hi William,
> >
> > Thank you for your reply.
> > See my comments below.
> >
> > > -----Original Message-----
> > > On Thu, May 07, 2020 at 06:29:05PM +0000, Mun Johl wrote:
> > > > Hi William, et al.,
> > > > I am not explicitly setting the DISPLAY--as that is how I normally use
> > > > 'ssh -X'. Nor have I done anything to open any additional
> ports.
> > > Again, since 'ssh -X' is working for us. As a reminder, there is no way
> > > for me to know what to set DISPLAY to even if I wanted to set
> it.
> > > >
> > > Do you invoke qrsh with -V by any chance? I think that might cause the
> > > DISPLAY from the login node to override the one set by ssh -X. If you
> > > do could you switch to using -v to transfer individual environment
> > > variables instead?
> >
> > [Mun] Yes, I do use -V normally. When I once again get to a point where
> > qrsh is able to launch I will certain try your suggestion. But
> I may tweak it by simply "unset'ing" DISPLAY from the wrapper script rather
> than using -v because we have many env vars that are
> required in order to correctly run a job.
> The problem with unsetting DISPLAY is that if you do it then ssh won't
> be able to forward it.
[Mun] Good point; not sure what I was thinking.
> Possibly env -u DISPLAY XDISPLAY="${DISPLAY}" qrsh -now n -V <command>
> Then a wrapper around ssh as your qrsh_command
> #!/bin/sh
> env DISPLAY="${XDISPLAY}" /usr/bin/ssh -X "$@"
[Mun] Thanks; if I can get qrsh to launch again, I'll keep this tip in mind :)
Regards,
--
Mun
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