The Book of PF, 4th Edition
Build a more secure network with PF.
Linux & BSD
The Wireless Cookbook
Learn the ins and outs of Wi-Fi, Bluetooth, and Long Range wireless technologies through practical, step-by-step projects using Raspberry Pi and other inexpensive hardware.
The Linux Memory Manager
This exhaustive guide to the Linux memory subsystem is the first major resource since 2004 to cover key concepts and essential techniques for developers.
Building a Debugger
Master the inner workings of your x64 Linux system and expand your OS expertise by writing your very own debugger using C++.
Effective Shell
Master the tools. Build the workflow. Own the shell.
System Programming in Linux
Learn to write real Linux software—not just run it.
Linux Basics for Hackers, 2nd Edition
The second edition of this bestselling introduction to the Linux operating system for hackers and penetration testers has been fully updated and revised, covering the latest version of Kali.
Ada & Zangemann
A modern fairy tale that conveys the joy of tinkering and calls for self-determined use of software.
Practical Linux Forensics
A practitioner’s guide focused on postmortem analysis of modern Linux installations.
The Book of Inkscape, 2nd Edition
An updated guide on using the graphics editor to draw, work with objects, and apply effects.
How Linux Works, 3rd Edition
The “hows” and “whys” of How Linux Works: for anyone who wants to understand the inner workings of the best operating system.
Racket Programming the Fun Way
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
Autotools, 2nd Edition is the long awaited update to the practitioner's guide to GNU Autoconf, Automake, and Libtool.
Your Linux Toolbox
Your Linux Toolbox is a collection of all the awesome Linux zines you love, now as a fancy box set!
The Linux Command Line, 2nd Edition
This newly revised edition of The Linux Command Line contains various modernizations, including bash version 4.x and several useful new features.
Absolute FreeBSD, 3rd Edition
This updated edition of Absolute FreeBSD adds coverage of modern disks, the ZFS filesystem IPv6, redesigned jail and packaging systems, virtualization, and more.
GNU Make Book
The GNU Make Book is a practical, thorough guide to GNU Make basics, solutions, and advanced uses.
Wicked Cool Shell Scripts, 2nd Edition
Wicked Cool Shell Scripts, 2nd Edition is a collection of fun tools for sysadmins, web developers, and every Linux user.
Book of PF, 3rd Edition
The Book of PF, 3rd Edition is the essential guide to building a secure network with PF, the OpenBSD packet filtering tool.
Absolute OpenBSD, 2nd Edition
Absolute OpenBSD, 2nd Edition is a practical and straightforward guide for the experienced Unix user who wants to add OpenBSD to his or her repertoire.
Blender Master Class
Blender Master Class is a hands-on guide to the potential of the popular open-source 3D graphics tool. Chapters walk through the steps in the modeling process.
Artist's Guide to GIMP, 2nd Edition
As a full-featured, free alternative to Adobe Photoshop, GIMP is one of the world's most popular open source projects. The Artist's Guide to GIMP teaches you how to use GIMP without a tedious list of menu paths and options.
Book of GIMP
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.
Book of Audacity
The Book of Audacity is the definitive guide to the powerful cross-platform audio editor. Transform your computer into a home recording studio as you learn to record podcasts, mix and master tracks, digitize your vinyl collection, and more.
FreeBSD Device Drivers
FreeBSD Device Drivers is the first and only book to teach readers how to develop device drivers for the FreeBSD operating system.
Linux Firewalls
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.
Designing BSD Rootkits
Hack the FreeBSD kernel for yourself!
Linux Programming Interface
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.