For some reason, I have a few open sessions on an SSH server that I don't know about. I assume they're leftovers from when my pipe broke.
$ users
user1 user2 user3 me me me me
Is there a way to log me out across all sessions?
You could try killing off the individual processes that are still running as you, or just purge the system of everything running as you: pkill -u username
loginctl terminate-user <Your User Name>
should kill all sessions of your user