SSH (Secure Shell) is one of the most important tools for Linux system administrators and developers, as it allows you to securely log in to remote machines, run command-line programs, manage files, transfer data, forward ports, and even run GUI apps remotely.
But here’s the catch → using SSH with default settings isn’t always safe, because hackers constantly scan the internet for open SSH ports and weak logins. That’s why learning how to properly configure and secure SSH is a must.
In this guide, we’ll cover essential SSH configurations and security tips every Linux beginner should know to keep their servers secure, efficient, and running smoothly.