SSH - A Quick Recap

1)

ssh YOURSERVER

psqa@psqa-X7DVL:~$ ssh 10.9.28.95

The authenticity of host '10.9.28.95 (10.9.28.95)' can't be established.
ECDSA key fingerprint is fa:69:8a:b4:e3:f6:99:e5:b8:09:66:3c:9b:eb:b5:30.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '10.9.28.95' (ECDSA) to the list of known hosts.
psqa@10.9.28.95's password:Welcome to Ubuntu 11.10 (GNU/Linux 3.0.0-12-generic i686)
 * Documentation:  https://help.ubuntu.com/
492 packages can be updated.
232 updates are security updates.
New release '12.04.1 LTS' available.
Run 'do-release-upgrade' to upgrade to it.
Last login: Sun Dec  1 12:22:02 2013 from 10.20.10.150
psqa@psqa-X7DVL:~$

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2)ssh yourusername@YOURSERVER

psqa@psqa-X7DVL:~$ ssh psqa@10.9.28.95

psqa@10.9.28.95's password:Welcome to Ubuntu 11.10 (GNU/Linux 3.0.0-12-generic i686)
 * Documentation:  https://help.ubuntu.com/
492 packages can be updated.
232 updates are security updates.
New release '12.04.1 LTS' available.
Run 'do-release-upgrade' to upgrade to it.
Last login: Sun Dec  1 12:23:34 2013 from psqa-x7dvl.local
psqa@psqa-X7DVL:~$
========================================================

3)Specifying a Port

 ssh -p yourport yourusername@yourserver

psqa@psqa-X7DVL:~$ ssh -p 22 10.9.28.95psqa@10.9.28.95's password:Welcome to Ubuntu 11.10 (GNU/Linux 3.0.0-12-generic i686) * Documentation:  https://help.ubuntu.com/
492 packages can be updated.
232 updates are security updates.
New release '12.04.1 LTS' available.
Run 'do-release-upgrade' to upgrade to it.
Last login: Sun Dec  1 12:24:46 2013 from psqa-x7dvl.local
psqa@psqa-X7DVL:~$