Professional Linux Kernel Architecture
Wolfgang Mauerer
Mastering Linux Security and Hardening
Donald Tevault
The Hacker Playbook 2: Practical Guide To Penetration Testing
Peter Kim
Intro to Java Programming, Comprehensive Version
Y. Daniel Liang
Hands-on Booting
Yogesh Babar
Using and Administering Linux: Volume 1
David Both
Accelerating Development Velocity Using Docker
Kinnary Jangla
Beginning Modern Unix
Manish Jain