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 25.10.2

Centreon 25.10Released Jan 29, 2026Source: docs.centreon.com

Enhancements

[CMA] Added a native check to allow the exection of custom scripts.
[CMA] Native checks - Windows - Services - added a filter for startup/service type and delayed services.
[CMA] Token is now mandatory in No TLS mode.
[CMA] Windows installer can now handle multiple instances of CMA on the same host.
[Packaging] Added a RHEL 10 package for CMA.