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If the error message is accurate, the fix may be having the VNC server
not set DISPLAY equal to localhost:10.0 or similar as SSH normally
does these days, but to configure it to set DISPLAY to fqdn:10.0. We
had to do something similar with FastX.
On 3/22/19 9:44 AM, Loris Bennett wrote:
> Hi,
>
> I'm using 18.08.6-2 and have got X11 forwarding working using the
> in-built mechanism. This works fine for users who log in with 'ssh
> -X' and then do 'srun --x11 --pty bash'.
>
> However, I have users who start a VNC session on the login node and
> when they run the srun command above from an xterm within the VNC
> session, they get
>
> srun: error: Cannot forward to local display. Can only use X11
> forwarding with network displays.
>
> Does anyone have any ideas whether this can be made to work and, if
> so, how?
- --
____
|| \\UTGERS, |----------------------*O*------------------------
||_// the State | Ryan Novosielski - novos...@rutgers.edu
|| \\ University | Sr. Technologist - 973/972.0922 ~*~ RBHS Campus
|| \\ of NJ | Office of Advanced Res. Comp. - MSB C630, Newark
`'
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