Recipe: Running commands on remote host with SSH

$ ssh username@remote_host

$ ssh mec@192.168.0.1 
The authenticity of host '192.168.0.1 (192.168.0.1)' can't be established. 
RSA key fingerprint is 2b:b4:90:79:49:0a:f1:b3:8a:db:9f:73:2d:75:d6:f9. 
Are you sure you want to continue connecting (yes/no)? yes 
Warning: Permanently added '192.168.0.1' (RSA) to the list of known hosts. 
Password: 

Last login: Fri Sep  3 05:15:21 2010 from 192.168.0.82 
mec@proxy-1:~$ 

$ ssh user@host 'COMMANDS'

Eg:
$ ssh mec@192.168.0.1 'whoami'
Password: 
mec 


$ echo  "COMMANDS" | ssh user@remote_host  > stdout.txt 2> errors.txt

$ ssh mec@192.168.0.1  "echo user: $(whoami);echo OS: $(uname)"
Password: 
user: slynux 
OS: Linux 


SSH with different port
=======================
$ ssh user@locahost -p 422

SSH with compression
====================

$ ssh -C user@hostname COMMANDS

Redirecting data into stdin of remote host shell commands
=========================================================
$ echo "text" | ssh user@remote_host ' cat >> list'

OR

$ ssh user@remote_host ' cat >> list'  < file



Scripts
=======
uptime.sh