Chapter 2: OS & Networking

This is the most important foundation. A DevOps engineer's job is to manage the OS and the network. We've split this into two ultimate guides.

2.1

The Operating System (Linux)

Master the Linux command line, filesystem, permissions, and process management. This is the ground you will build on.

2.2

Networking Basics

Understand how servers talk to each other. Learn TCP/IP, DNS, Ports, and the OSI model.