Introduction
SSH, or secure shell, is an encrypted protocol used to administer and communicate with servers. When working with an Ubuntu server, chances are you will spend most of your time in a terminal session connected to your server through SSH.
In this guide, we’ll focus on setting up SSH keys for an Ubuntu installation. SSH keys provide a secure way of logging into your server and are recommended for all users. We’ll cover everything from generating your first key pair to handling multiple keys for different services and users, alongside essential troubleshooting tips to keep you connected.