Very useful. I&#x27;m currently using ~&#x2F;.ssh&#x2F;config. I gave nickname for the servers and all parameters are in the config:<p><pre><code>  Host my-foo
  HostName 54.xx.xx.xx
  User my_user
  IdentityFile ~&#x2F;.ssh&#x2F;server_key.pem
</code></pre>
So, just:
  ssh my-foo