Linux Server Security by Bauer, Michael D.

Linux Server Security: Tools & Best Practices for Bastion Hosts by Bauer, Michae

Accidental Administrator : Linux Server Step-by-step Configuration Guide, Pap...

Security Strategies in Linux - Paperback, by Jang Michael; Messier - Very Good

Security Strategies in Linux Platforms and Applications by Michael Jang: Used

Michael D. Bauer Linux Server Security (Paperback) O'Reilly Ser. (UK IMPORT)

Linux Web Server Toolkit by Nicholas Wells (1998, Trade Paperback)

Automating Unix and Linux Administration - Paperback, by Bauer Kirk - Very Good