Hacking Linux
Phil J Hack
Mastering Linux Administration
Alexandru Calcatinge & Julian Balog
Kubernetes: Up and Running
Kelsey Hightower & Brendan Burns & Joe Beda & Lachlan Evenson
NetCat for pentesters - Chiragh
Chiragh
Wireshark Fundamentals
Vinit Jain
Wireless Network Simulation
Henry Zárate Ceballos & Jorge Ernesto Parra Amaris & Hernan Jiménez Jiménez & Diego Alexis Romero Rincón & Oscar Agudelo Rojas & Jorge Eduardo Ortiz Triviño
Quick Start Guide to Penetration Testing
Sagar Rahalkar
Practical LXC and LXD
Senthil Kumaran S.
Practical Ansible
Vincent Sesto
Linux Containers and Virtualization
Shashank Mohan Jain
Electronics for Beginners
Jonathan Bartlett
A Complete Guide to Burp Suite
Cloud Attack Vectors
Morey J. Haber & Brian Chappell & Christopher Hills