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 Collect 25.10.12

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

Enhancements

[Broker] Added event queue size enforcement to prevent out-of-memory on reverse connections when the client stops reading.

Bug fixes

After deployment and the end of a downtime period, a service and its resource are still marked as acknowledged even though the downtime has ended.
[Broker] Fixed a thread-safety issue in LUA curl global initialization by protecting it with a mutex.
[Broker] Fixed a deadlock in mysql_connection::stop() caused by a race condition between the failover and run threads.
[Engine] Fixed missing error handling when pidfd_open fails, masking the real cause of process failures.

Centreon Collect 25.10.12

Enhancements

Bug fixes

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