The UNIX Programming Environment
Brian Wilson Kernighan & Rob. Pike
Virtual Routing With Cisco Cloud Services Router (CSR 1000V)
Arvind Durai & Stephen Lynn & Amit Srivastava
PostgreSQL 9 High Availability Cookbook
Shaun M. Thomas
Site Reliability Engineering: How Google Runs Production Systems
Niall Richard Murphy & Chris Jones & Jennifer Petoff & Betsy Beyer
Advanced Network Programming
Bogdan Ciubotaru , Gabriel-Miro Muntean