The Book of PF, 3rd Edition: A No-Nonsense Guide to the OpenBSD ...
Peter N. M. Hansteen
Secrets and Lies: Digital Security in a Networked World
Bruce Schneier
Think Like a Programmer: An Introduction to Creative Problem ...
V. Anton Spraul
Doing Math With Python: Use Programming to Explore Algebra, ...
amit saha
Wicked Cool Shell Scripts: 101 Scripts for Linux, Mac OS X, ...
dave taylor
The TCP/IP Guide: A Comprehensive, Illustrated Internet Protocols ...
Charles Kozierok
Reversing: Secrets of Reverse Engineering
Eldad Eilam
Raspberry Pi Hacks: Tips & Tools for Making Things With the ...
Ruth Suehle & Tom Callaway
Python Crash Course: A Hands-On, Project-Based Introduction ...
Eric Matthes
Perl Hacks: Tips & Tools for Programming, Debugging, and Surviving
Chromatic & Damian Conway & Curtis 'Ovid' Poe
Penetration Testing: A Hands-On Introduction to Hacking
Georgia Weidman
Microsoft Windows Networking Essentials
Darril Gibson
The Linux Programming Interface: A Linux and Unix System Programming ...
michael kerrisk
Linux Firewalls: Attack Detection and Response
Michael Rash
The Linux Command Line
William E. Shotts Jr.
The Linux Command Line, 2nd Edition: A Complete Introduction
IRC Hacks
Paul Mutton
How Linux Works: What Every Superuser Should Know
Brian Ward
The Book of Inkscape: The Definitive Guide to the Free Graphics ...
dmitry kirsanov
The Book of GIMP: A Complete Guide to Nearly Everything
olivier lecarme & Karine Delvare
The Artist's Guide to GIMP: Creative Techniques for Photographers, ...
Michael J. Hammel