UNIX and Linux System Administration Handbook 4 Edition  (English, Paperback, Hein, Snyder, Nemeth, Whaley)

This book approaches system administration in a practical way and is an invaluable reference for both new administrators and experienced professionals. It details best practices for every facet of system administration, including storage management, network design and administration, email, web hosting, scripting, software configuration management, performance analysis, Windows interoperability, virtualization, DNS, security, management of IT service organizations, and much more.