OpsGuide/Resources

OpenStack

 * OpenStack Installation Tutorial for openSUSE and SUSE Linux Enterprise Server
 * OpenStack Installation Tutorial for Red Hat Enterprise Linux and CentOS
 * OpenStack Installation Tutorial for Ubuntu Server
 * OpenStack Administrator Guide
 * OpenStack Cloud Computing Cookbook (Packt Publishing)

Cloud (General)

 * The NIST Definition of Cloud Computing

Python

 * Dive Into Python (Apress)

Networking

 * TCP/IP Illustrated, Volume 1: The Protocols, 2/E (Pearson)
 * The TCP/IP Guide (No Starch Press)
 * A tcpdump Tutorial and Primer

Systems Administration

 * UNIX and Linux Systems Administration Handbook (Prentice Hall)

Virtualization

 * The Book of Xen (No Starch Press)

Configuration Management

 * Puppet Labs Documentation
 * Pro Puppet (Apress)