Penetration Testing: A Hands-On Introduction to Hacking
Gorgia Weidman
Docker: Up & Running
Sean P. Kane & Karl Matthias
Effective Awk Programming
Arnold Robbins
Serious Cryptography
Jean-Philipee Aumasson
Bash Cookbook
Carl Albing & JP Vossen
Classic Shell Scripting
Arnold Robbins & Nelson H. F. Beebe
Cybersecurity Ops with bash
Paul Troncone & Carl Albing Ph.D.
Learning CoreDNS
John Belamaric & Cricket Liu
Learning the bash Shell
Cameron Newham
Linux Device Drivers
Jonathan Corbet & Alessandro Rubini & Greg Kroah-Hartman
Linux Pocket Guide
Daniel J. Barrett
Linux System Programming
Robert Love
Network Programmability and Automation
Jason Edelman & Scott S. Lowe & Matt Oswalt
Unix Power Tools
Shelley Powers