How to Kill Inactive SSH Sessions

So you’ve been disconnected from your server which resulted in an idle user session. You know this because when you used the “w" command, you see something like the following:

There are a few ways to kill idle sessions. Including editing you sshd_config. But here’s an easy after-the-fact method:

Run this command:

the output will look something like this:

Now look for the parent PID of the session – PID from the line WITHOUT the “pstree” command.

To kill session, type:

Replace 3649 with your idle ssh’s PID. Check afterwards with the “w” command.

Now to prevent this from happening in the future you can edit your server’s /etc/ssh/sshd_config and add these lines:

How to Kill Inactive SSH Sessions was last modified: December 5th, 2013 by Hayden James

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