Serious Cryptography
Jean-Philipee Aumasson
Practical Malware Analysis
Michael Sikorski and Andrew Honig
Unix Power Tools
Shelley Powers
Practical Packet Analysis
Chris Sanders
Docker: Up & Running
Sean P. Kane & Karl Matthias
grep Pocket Reference
John Bambenek & Agnieszka Klus
Learning the Vi and Vim Editors
Arnold Robbins & Elbert Hannah
Linux in a Nutshell
Ellen Siever & Stephen Figgins & Robert Love & Arnold Robbins