Shogo Sato has written a new book on Nagios in Japanese called Nagios 統合監視[実践]リファレンス (roughly translated “Nagios Integrated Monitoring”). Congrats to Shago and the other contributors to the book for helping spread Nagios knowledge around the world!
Nagios Update: XI 5.6.6
Nagios XI update 5.6.6 is now released! This update resolves a number of minor bugs and one security vulnerability fix. This version also includes improvements