Secrets and Lies
Bruce Schneier
Mastering Kali Linux for Advanced Penetration Testing
Vijay Kumar Velu
Mastering Linux Security and Hardening
Donald Tevault
PTFM
Tim Bryant
Using and Administering Linux: Volume 1
David Both
Hands-on Booting
Yogesh Babar
Beginning Modern Unix
Manish Jain
Accelerating Development Velocity Using Docker
Kinnary Jangla