ssh authorized keys – limit ssh session to custom command

If you want a ssh key to be able to run a custom command only and nothing beyond that, then you can use the “command” option in the authorized_keys file of ssh.


For example, to limit user to run only top command with a key, you can add the key like this:


echo 'command="/usr/bin/top" ssh-rsa ' >>~/.ssh/authorized_keys

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