Kubernetes: Up and Running
Kelsey Hightower & Brendan Burns & Joe Beda & Lachlan Evenson
Ubuntu Linux Unleashed 2021 Edition
Matthew Helmke
Effective DevOps
Jennifer Davis & Ryn Daniels
Mastering Docker - Second Edition
Russ McKendrick & Scott Gallagher
tmux (for Diego Cohen)
Brian P. Hogan