Nagios是一個監視系統運行狀態和網絡信息的監視系統。Nagios能監視所指定的本地或遠程主機以及服務，同時提供異常通知功能等
Nagios可運行在Linux/Unix平台之上，同時提供一個可選的基於浏覽器的WEB界面以方便系統管理人員查看網絡狀態，各種系統問題，以及日志等等。
2012-05-07發布3.4.0 上一個版本是2011-07-25的3.3.1
改進：ENHANCEMENTS
-
Use execv() to execute active check commands (#86 – Ton Voon, dnsmichi)
-
Added service_check_timeout_state configuration variable (Bill McGonigle)
-
Permanently remove sleep on run_event == FALSE in main loop (Max < [email protected]>)
-
Reduce notification load by moving notification viability check into notification list creation (Opsview Team)
-
Added code to apply allow_empty_hostgroup_assignment flag to host and service dependencies (Daniel Wittenberg)
-
Users can now see hostgroups and servicegroups that contain at least one host or service they are authorized for, instead of having to be authorized for them all (Ethan Galstad)
-
RSS feed boxes fallback if an error occurs (Ethan Galstad)
-
RSS feeds no longer block main page load (Mike Guthrie)
FIXES
-
Fix $NOTIFICATIONRECIPIENTS$ macro to contain all contacts assigned to host|service, not only notified contacts (Bug #98 Matt Harrington)
-
Scheduled Downtime Notifications Resent On Nagios Restart/reload (Bug #124 – ricardo)
-
NOTIFICATIONTYPE MACRO never became CUSTOM (Bug #168 – Alexey Dvoryanchikov)
-
Plugged minor memory leaks in notification logic
下載：
http://cdnetworks-kr-2.dl.sourceforge.net/project/nagios/nagios-3.x/nagios-3.4.0/nagios-3.4.0.tar.gz
