Is Centreon free and open source?

Yes. Centreon is an open-source IT infrastructure monitoring platform. The ISO, virtual machines, packages, monitoring agent and free modules can be downloaded at no cost from this portal.

Which operating systems are supported?

Centreon central servers run on RHEL, AlmaLinux and Oracle Linux (8 and 9). The Centreon Monitoring Agent additionally runs on Windows.

How do I install Centreon quickly?

On a fresh RHEL/AlmaLinux/Oracle Linux 8 or 9 host, run as root: curl -L -s https://raw.githubusercontent.com/centreon/centreon/25.10-latest/centreon/unattended.sh | sh

How do I download the Centreon Monitoring Agent?

The Windows installer is available from the Agent section (undefined); on Linux, install the centreon-monitoring-agent package from the Centreon repository.

Centreon Collect 25.10.1

Centreon 25.10Released Dec 17, 2025Source: docs.centreon.com

Enhancements

[CMA] CMA will now take into account retry_interval and max_attempts.
[CMA] Freshness check are now taken into account.

Bug fixes

[Broker] Fixed an issue with RRD error messages being incorrectly added to the logfile.
[Engine] Fixed an issue where parameters are not correctly inherited from templates.