Practical Linux Infrastructure
Syed Ali
Ethical Hacking and Countermeasures: Secure Network Infrastructures
Ec-Council
VMware Virtual SAN Cookbook
Jeffrey Taylor
Gray Hat Hacking the Ethical Hacker's Handbook, Fourth Edition
Daniel Regalado & Shon Harris & Allen Harper & Chris Eagle & Jonathan Ness & Branko Spasojevic & Ryan Linn & Stephen Sims
Pro Apache Phoenix: An SQL Driver for HBase
Shakil Akhtar & Ravi Magham
MongoDB Basics
David Hows & Peter Membrey & Eelco Plugge