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 9 or 10 or Debian 13 host, run as root: curl -L -s https://raw.githubusercontent.com/centreon/centreon/26.10-latest/centreon/unattended.sh | bash

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 25.10.9

Centreon 25.10Publiée le Sep 2, 2026Source: docs.centreon.com

Enhancements

[CMA] Added dynamic reload of custom_check.ini so command updates take effect without restarting the agent.
[CMA] Added support for a native checks timeout parameter that overrides the global check_timeout setting.

Bug fixes

[CMA] Fixed check_file status not returning to OK after a previously detected file was removed.

Engineer reviewing code on a laptop in front of monitoring dashboards

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