Modern Python Cookbook
Steven F. Lott
Python Automation Cookbook
Jaime Buelta
Essential System Administration
Æleen Frisch
Web Penetration Testing with Kali Linux
Gilberto Najera-Gutierrez & Juned Ahmed Ansari
Accelerating Development Velocity Using Docker
Kinnary Jangla
Beginning Modern Unix
Manish Jain
Hands-on Booting
Yogesh Babar
Using and Administering Linux: Volume 1
David Both