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 Monitoring Agent 25.10.8

Centreon 25.10Released Jul 22, 2026Source: docs.centreon.com

Enhancements

[CMA] Time periods are now correctly taken into account for check scheduling and freshness calculations.

Bug fixes

[CMA] Fixed an issue where the agent failed to start with hostnames less than 5 characters long.
[Packaging] Added missing libcentreon_pb_bbdo.so.debug file to CMA.