CompTIA® Security+® SY0-501 Review Guide
James Michael Stewart
Le baba
Gilbert Villemin
Mastering Homebrew
Randy Mosher
Terraform: Up & Running
Yevgeniy (Jim) Brikman
Pro Docker
Deepak Vohra
Practical Linux Topics
Chris Binnie
Beginning Ubuntu for Windows and Mac Users
Nathan Haines
Pro Git
Scott Chacon & Ben Straub