The Site Reliability Workbook
Betsy Beyer & Niall Richard Murphy & David K. Rensin & Kent Kawahara & Stephen Thorne
Mastering Linux Security and Hardening, Second Edition
Donald A. Tevault
Think Bayes
Allen B. Downey
Metasploit Penetration Testing Cookbook - Third Edition
Daniel Teixeira
Foundations of Scalable Systems
Ian Gorton
Learning Systems Thinking
Diana Montalion