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Update Troubleshooting authored by Jean-Philippe Ghibaudo's avatar Jean-Philippe Ghibaudo
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...@@ -55,7 +55,7 @@ mpirun -n $SLURM_NTASKS ./dice ...@@ -55,7 +55,7 @@ mpirun -n $SLURM_NTASKS ./dice
## X11 Forwarding ## X11 Forwarding
### Impersonate user, keeping X11 forwarding ### Impersonate user, keeping X11 forwarding
- connect on the server with X11 forwarding: ```ssh -X login@server``` - connect on the server with X11 forwarding: ```ssh -X login@server```
- get your auth with: ````xauth list $DISPLAY```. It should print something like ```server.oca.eu/unix:12 MIT-MAGIC-COOKIE-1 59a66b85301af8631b9504c34c10fb91``` - get your auth with: ```xauth list $DISPLAY```. It should print something like ```server.oca.eu/unix:12 MIT-MAGIC-COOKIE-1 59a66b85301af8631b9504c34c10fb91```
- get your DSIPLAY envvar with: ```echo $DISPLAY```. It should print something like ```localhost:12.0``` - get your DSIPLAY envvar with: ```echo $DISPLAY```. It should print something like ```localhost:12.0```
- impersonate the user by using: ```sudo su - username``` - impersonate the user by using: ```sudo su - username```
- once you are the user, get back the xauth and DISPLAUY: ```xauth add server.oca.eu/unix:12 MIT-MAGIC-COOKIE-1 59a66b85301af8631b9504c34c10fb91 ; export DISPLAY=localhost:12.0``` - once you are the user, get back the xauth and DISPLAUY: ```xauth add server.oca.eu/unix:12 MIT-MAGIC-COOKIE-1 59a66b85301af8631b9504c34c10fb91 ; export DISPLAY=localhost:12.0```
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