Nagios Core
Nagios 4.x
Nagios is a host/service/network monitoring program written in C and released under the GNU General Public License, version 2. CGI programs are included to allow you to view the current status, history, etc via a web interface if you so desire.
Visit the Nagios homepage at https://www.nagios.org for documentation, new releases, bug reports, information on discussion forums, and more.
Changes
See the Changelog for a summary of important changes and fixes, or the commit history for more detail.
Download
Latest releases can be downloaded from https://www.nagios.org/download/
Installation
Quickstart installation guides are available to help you get Nagios up and monitoring.
Documentation & Support
Contributing
The Nagios source code is hosted on GitHub: https://github.com/NagiosEnterprises/nagioscore
Do you have an idea or feature request to make Nagios better? Bugs can be reported by opening an issue on GitHub. If you have identified a security related issue in Nagios, please contact security@nagios.com.
Patches and GitHub pull requests are welcome. Pull requests on GitHub link commits in version control to review and discussion of the changes, helping to show how and why changes were made, in addition to who was involved.
Created by Ethan Galstad, the success of Nagios has been due to the fantastic community members that support it and provide bug reports, patches, and great ideas. See the THANKS file for some of the many who have contributed since 1999.
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