Nagios

2nd Edition. — No Starch Press, November 7, 2008. — 720 p. — ISBN-13 978-1-59327-179-4. Good system administrators recognize problems long before anyone asks, "Hey, is the Internet down?" Nagios, an open source system and network monitoring tool, has emerged as the most popular solution for sys admins in organizations of all sizes. It's robust but also complex, and Nagios:...