The internet has cultivated a beautiful place to gather information, but there's nothing quite like having a few books at your disposal.

"Advanced Bash Scripting : Vol 1" - Mendel Cooper (Independently Published)

"The Linux Programming Interface" - Michael Kerrisk (No Starch Press)

"Modern x86 Assembly Language Programming" - Daniel Kusswurm (Apress)

"Kubernetes: Up & Running" - Burns, Beda, Hightower, Evenson (O'Reilly)