Setup SSH on Ubuntu

Image by Stampf from Pixabay

Scenario

We want to backup Thunderbird to the rhino account on a remote host 192.168.1.2 like this:

rsync -vaz /home/rhino/.thunderbird rhino@192.168.1.2:/home/rhino/

Approach

On the remote host 192.168.1.2 containing the rhino account:

Install and Start

$ sudo apt install ssh
$ sudo systemctl enable --now ssh

Firewall

Allow login via port 22.

$ sudo ufw allow ssh