Effective DevOps
Jennifer Davis & Ryn Daniels
Running GUI Applications in Docker
Fraser Adams
Iptables Tutorial 1.2.2
Oskar Andreasson
Kubernetes: Up and Running
Kelsey Hightower & Brendan Burns & Joe Beda & Lachlan Evenson
Bash Idioms: Write Powerful, Flexible, Readable Shell Scripts
Carl Albing & J P Vossen