Docker: Up & Running
Sean P. Kane & Karl Matthias
Learning CoreDNS
John Belamaric & Cricket Liu
Linux Pocket Guide
Daniel J. Barrett
Effective Awk Programming
Arnold Robbins
grep Pocket Reference
John Bambenek & Agnieszka Klus
Learning the Vi and Vim Editors
Arnold Robbins & Elbert Hannah
Linux in a Nutshell
Ellen Siever & Stephen Figgins & Robert Love & Arnold Robbins