Linux Containers and Virtualization
Shashank Mohan Jain
Absolute FreeBSD
Michael Warren Lucas
Asterisk: The Definitive Guide
Jim Van Meggelen & Russell Bryant & Leif Madsen
Mastering OpenLDAP
Matt Butcher
Practical Social Engineering
Joe Gray
How Cybersecurity Really Works
Sam Grubb
C++ Crash Course
Josh Lospinoso
Practical Linux Forensics
Bruce Nikkel
Linux Firewalls
Michael Rash
How Linux Works, 3rd Edition
Brian Ward
The Hardware Hacking Handbook
Jasper van Woudenberg & Colin O'Flynn
Социальная инженерия и этичный хакинг на практике
Джо Грей