ssh Secure Shell remote access command Usage: ssh [options] host [command] -l user Log in using this user name. -n Redirect input from /dev/null. -a Disable authentication agent forwarding. -x Disable X11 connection forwarding. -i file Identity for RSA authentication (default: ~/.ssh/identity). -t Tty; allocate a tty even if command is given. -v Verbose; display verbose debugging messages. -V Display version number only. -q Quiet; don't display any warning messages. -f Fork into background after authentication. -e char Set escape character; ``none'' = disable (default: ~). -c cipher Select encryption algorithm: ``idea'', ``3des'' -p port Connect to this port. Server must be on the same port. -P Don't use priviledged source port. -L listen-port:host:port Forward local port to remote address -R listen-port:host:port Forward remote port to local address These cause ssh to listen for connections on a port, and forward them to the other side by connecting to host:port. -C Enable compression. -o 'option' Process the option as if it was read from a configuration file. Most commonly this will be: ssh -l your_login remote_host