Learning Nagios 3.0. A comprehensive configuration guide to monitor and maintain your network and systems

Wojciech Kocjan, Nagios Enterprises

Learning Nagios 4. For system administrators who want a fast, easily understood introduction to Nagios 4, this is the perfect book. Get to grips with the latest version of this powerful monitoring tool and transform the stability of your whole system

Wojciech Kocjan

Learning Nagios. A beginners guide on Nagios - Third Edition

Wojciech Kocjan, Piotr Beltowski

Tcl 8.5 Network Programming. Learn Tcl and you’ll never look back when it comes to developing network-aware applications. This book is the perfect way in, taking you from the basics to more advanced topics in easy, logical steps

Piotr Beltowski, Wojciech Kocjan, Clif Flynt