LDAP System Administration: Putting Directories to Work

Kerberos: The Definitive Guide: The Definitive Guide

Active Directory: Designing, Deploying, and Running Active Directory

DNS and BIND: Help for System Administrators

Mastering OpenLDAP: Configuring, Securing and Integrating Directory Services

Active Directory Cookbook: Solutions for Administrators & Developers (Cookbooks (O'Reilly))

How Linux Works, 2nd Edition: What Every Superuser Should Know

Docker: Up & Running: Shipping Reliable Containers in Production

Using Samba: A File & Print Server for Linux, Unix & Mac OS X

Site Reliability Engineering: How Google Runs Production Systems

Getting Started with OAuth 2.0: Programming Clients for Secure Web API Authorization and Authentication