If you're learning DevOps, Cloud Computing, or System Administration, SSH is one of the most important skills you'll ever learn.

Almost every cloud server, Kubernetes node, CI/CD runner, and Linux machine is managed remotely through SSH. Without SSH, you simply can't access or manage production infrastructure effectively.

As part of my DevOps learning journey, I spent time understanding how SSH works, how key-based authentication improves security, and how to securely connect to remote servers.

In this article, I'll cover:

Let's get started.