CFD Online Discussion Forums - [OpenFOAM] ParaFoam over SSH

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- - [OpenFOAM] ParaFoam over SSH - cannot connect to X server (https://www.cfd-online.com/Forums/paraview/104884-parafoam-over-ssh-cannot-connect-x-server.html)

uli	July 17, 2012 18:03

ParaFoam over SSH - cannot connect to X server

hi all

Running a simulation over ssh works, but when I type "paraFoam" it gives me

Code:

cannot connect to X server

I use opensuse 11.4, the server I am connected to has ubuntu.

I also set up a connection with XMing and Putty on Windows, there it works.

Any suggestions?

thanks,
Uli

mturcios777

July 17, 2012 19:31

What command are you running to connect to your server? First thing I would make sure is that X forwarding is allowed. You have the -X/-Y option in your command to enable X forwarding?

uli	July 19, 2012 17:54

hi Marco, thanks for your reply.

Sorry, my bad. I forgot the -X.

But it gives me another error:

Code:

ssh -X myname@ipadress

and when I run "paraFoam" in the case-directory the "welcome" Window of ParaView opens but after a few seconds I get

Code:

created temporary 'cavity.OpenFOAM'

Segmentation fault (core dumped)

thanks
Uli

mturcios777

July 19, 2012 18:16

It seems like X forwarding is working as you got the welcome screen. Does this happen with both -X and -Y options?

wyldckat

July 20, 2012 05:15

Greetings to all!

This comes to mind:

Quote:

Originally Posted by preichl (Post 279104)

I had similar errors when connecting via ssh to the machine running paraview (even with paraview 3.8.1).

Setting the environment variable via the command below worked for me.

export LIBGL_ALWAYS_INDIRECT=y

I tried this after reading http://ubuntuforums.org/showthread.php?t=1098568

Hope this helps anyone else in the same boat.

Best regards,
Bruno

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