--[ Set session type to text or graphical ]

Get the current session type, text-mode or lightdm+xfce:
Code:
systemctl get-default
Set the current session type to text-mode by disabling lightdm autostart:
Code:
systemctl set-default multi-user.target
Enable lightdm autostart:
Code:
systemctl set-default graphical.target

--[ Setup SSH private key ]

—Create the RSA Key Pair
The first step is to create the key pair on the client machine (there is a good chance that this will just be your computer):

# ssh-keygen -t rsa