Linux Command Line and Shell Scripting Bible
Richard Blum; Christine Bresnahan
Network Warrior
Gary A. Donahue
C++ All-In-One Desk Reference for Dummies
John Paul Mueller; Jeff Cogswell
Managing NFS and NIS, 2nd Edition
Mike Eisler; Ricardo Labiaga; Hal Stern
Squid: The Definitive Guide
Duane Wessels
LDAP System Administration
Gerald Carter
RADIUS
Jonathan Hassell
Linux Command Line and Shell Scripting Bible, Second Edition
Richard Blum & Christine Bresnahan