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 25.10.0

Centreon 25.10Released Nov 4, 2025Source: docs.centreon.com

Enhancements

[Credentials encryption] CMA is now able to retrieve encryption key & handle encrypted credentials.
Enhanced configuration generation to handle Insecure TLS.
Insecure TLS is now available as encryption mode in CMA.
[CMA] Improved error handling for syntax checks.