# SSH SSH is a network protocoll to securely connect to a computer. ## Enable root login via SSH Edit the `/etc/ssh/sshd_config` and change the line containing `PermitRootLogin` to `PermitRootLogin yes`. ## Add login via SSH public key To enable easy login without password you can add the contents of the file `~/.ssh/id_rsa.pub` from your local machine to the file `~/.ssh/authorized_keys` on the machine you want to log into.