using autossh instead of ssh

[maximerischard]

Sometimes the ssh connection drops, which means I have to restart the ipython notebook server in order to reset the tunnel. When setting up a tunnel between my local machine and an odyssey login node, I found that using autossh helped a lot, so I'd like to do the same here. I see you've got an ssh_cmd option in spunnel.c, which seems like exactly what I need, but I'm not sure how to set that option when using the --tunnel flag in srun. Is there a way to set the ssh binary there, or through an environment variable?

[aaronk]

Hmm. I'm willing to try that. We don't currently have autossh on Odyssey, though.

ajk

On Oct 17, 2016, at 12:35 PM, Maxime Rischard [email protected] wrote:

Sometimes the ssh connection drops, which means I have to restart the ipython notebook server in order to reset the tunnel. When setting up a tunnel between my local machine and an odyssey login node, I found that using autossh helped a lot, so I'd like to do the same here. I see you've got an ssh_cmd option in spunnel.c, which seems like exactly what I need, but I'm not sure how to set that option when using the --tunnel flag in srun. Is there a way to set the ssh binary there, or through an environment variable?

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