The UNIX Programming Environment
Brian Wilson Kernighan & Rob. Pike
Learning OpenStack Networking
James Denton
Time Management for System Administrators
Thomas A. Limoncelli
Orchestrating Docker
Shrikrishna Holla
Solr in Action
Trey Grainger & Timothy Potter
The Joy of Clojure
Michael Fogus & Chris Houser
Java 8 in Action: Lambdas, Streams, and Functional-Style Programming
Raoul-Gabriel Urma & Mario Fusco & Alan Mycroft
Groovy in Action: Covers Groovy 2.4
Erik Pragt
Amazon Web Services in Action
Andreas Wittig & Michael Wittig