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Open Source Monitoring

Nagios is the leader in system, network, and application monitoring. It's the industry standard for good reason.

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Latest Nagios News
12/11/2008 - 
We are pleased to announce that we have launched a redesigned Nagios Community Website. We have been working hard the last few weeks to bring changes visually and conceptually for both the Community Blog and Community Wiki. Along with the revamp is a renewed promise from the Nagios Team to listen to the growing community's needs and to give space for the community innovation that is around us. Check out the new site at http://community.nagios.org/.
12/01/2008 - 
Nagios 3.0.6 has just been released to fix a few bugs present in 3.0.5 and earlier. This release includes security fixes in the CGIs and related to adaptive external commands. Many thanks to all the community members that contributed patches for this release. Read the Changelog and download Nagios 3.0.6 now.
11/17/2008 - 
InformationWeek

Nagios has made the front cover of Information Week magazine! You can check it out by visiting this link. Thanks to everyone in the Nagios community for making this possible!