Unix and Linux System Administration Handbook 5th Edition
Evi Nemeth & Garth Snyder & Ben Whaley & Trent Hein
MySQL Cookbook: Solutions for Database Developers and Administrators
Paul Dubois
Vagrant Virtual Development Environment Cookbook
Chad Thompson
Hacking VoIP: Protocols, Attacks, and Countermeasures
Himanshu Dwivedi
Understanding Bitcoin: Cryptography, Engineering and Economics
Pedro Franco