Linux & BSD

Build a more secure network with PF.

You've seen the shiny surface of Linux. Now dive below it.

Wi-Fi, Bluetooth, and Long Range wireless, built from scratch with a Raspberry Pi.

The first serious guide to the Linux memory subsystem in twenty years. Long overdue.

Most developers use debuggers. Sy Brand shows you how to build one from scratch.

Master the tools. Build the workflow. Own the shell.

Learn to write real Linux software—not just run it.

Kali Linux for hackers and pentesters, fully updated. The place to start.

The “hows” and “whys” of How Linux Works: for anyone who wants to understand the inner workings of the best operating system.

If you want to learn coding, try Racket Programming the Fun Way! Build skills while you solve math puzzles, create art, and play games.

Autotools, 2nd Edition is the long awaited update to the practitioner's guide to GNU Autoconf, Automake, and Libtool.

Your Linux Toolbox is a collection of all the awesome Linux zines you love, now as a fancy box set!

The GNU Make Book is a practical, thorough guide to GNU Make basics, solutions, and advanced uses.

Wicked Cool Shell Scripts, 2nd Edition is a collection of fun tools for sysadmins, web developers, and every Linux user.

Whether you're just getting started with GIMP or working to master GIMP's more complex features, you'll find the answers you're looking for in The Book of GIMP.

Your computer is already a recording studio. Audacity is free. This book shows you what to do with both.

If you're responsible for keeping a network secure, you'll find Linux Firewalls invaluable in your attempt to understand attacks and to detect and even prevent compromises.

The Linux Programming Interface is a comprehensive reference to the Linux API for experienced system programmers, as well as an introductory guide to these low-level interfaces for system programming newbies.