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Arun Seetharam


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If you’re using HPC, chances are that your University/Sysadmin has a policy about how long you can stay inactive with the established SSH connection. If you are frustrated with this automatic disconnections, here is a way to prevent this. You can either:

ssh -o "ServerAliveInterval 60" -X

or create a file in ~/.ssh/config with the following line:

ServerAliveInterval 60

This will enable ssh client keepalives. The above line will send an ssh keepalive every 60 seconds that will prevent network devices from considering the session as idle.