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Welcome Nagios Core Users! You’ll find downloads, documentation, and tutorials on Nagios Core here in the Nagios Library. If you encounter problems, or require technical support for Nagios XI, please report these to our online support forum.
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Downloads

Download the latest version of Nagios Core. All downloads feature a free 60-day fully functional version of the software.

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Technical Documentation

Find technical documentation to better understand and manage your Nagios Core installation.

View Documentation Admin Guide

Tutorials

Find tutorials on installing, configuring, and using Nagios Core.
Tutorials Manuals

Support

Support for Nagios Fusion is provided via our online support forum. Customers also receive priority support services via a special customer-only email list.
Support Forum