# SSH

When the command completes successfully, it does not return any output but we can verify that the SSH service is running and listening on TCP port 22 by using the <span class="pr-block">ss</span> command and piping the output into <span class="pr-block">grep</span> to search the output for "sshd":

[![image.png](https://wiki.togogo.ch/uploads/images/gallery/2022-08/scaled-1680-/sPsimage.png)](https://wiki.togogo.ch/uploads/images/gallery/2022-08/sPsimage.png)