SSH config file

SSH Local Port Forwarding

#

• -f run in the background
• -N does not open a shell window
• -L local port forwarding

$ ssh -f -N -L 8000:yahoo.com:80 root@foo

SSH Remote Port Forwarding

#

to use this open /etc/ssh/sshd_config and add “GatewayPorts yes” and restart ssh service -R remote port forwarding

$ ssh -R 8000:localhost:3000 root@foo

SSH config

#

edit ~/.ssh/config

Host foo
    HostName 192.168.1.7
    User root
    IdentityFile ~/.ssh/id_rsa
    Port 22

$ ssh foo

SSH escape sequences and codes

#

• Ctrl+Z send ssh connection to the background