eBooks & Guides

The Linux Command Line

A free ebook for mastering the shell, command usage, basic scripting, and common tools

Basics of bash scripting

An excellent beginner-friendly guide to Bash scripting and shell fundamentals.

Advanced Bash-Scripting

A comprehensive, example-driven guide to Bash scripting (intermediate to advanced)

Introduction to Linux

An overall introduction to Linux system basics, including filesystem, commands, editors, and user space tools.

Network Administrator’s Guide

Focuses on networking topics like TCP/IP, routing, firewalls, DNS, and other network services.

Linux Security HOWTO

Covers system hardening, access controls, authentication, basic security practices, and much more

Debian Admin’s Handbook

A free official handbook covering Debian installation, package management, networking, and sysadmin

Get Started with Linux

A beginner-friendly Linux guide aimed at newcomers covering command line, users, and basic system tasks.