Linux Полное руководство по работе и администрированию
Колисниченко Д.Н.
Linux Command Line and Shell Scripting Techniques
Vedran Dakic & Jasmin Redzepagic
Linux Firewalls
Michael Rash
Cloud Attack Vectors
Morey J. Haber & Brian Chappell & Christopher Hills
Linux Advanced Routing and Traffic Control HOWTO
Gregory Maxwell & Remco Mook & Martijn Oosterhout & Paul Schroeder & Jasper Spaans & Bert Hubert