Check_MK - The official handbook


Welcome to the official handbook for Check_MK, your complete IT monitoring solution.

Check_MK is available in several editions. The  Check_MK Raw Edition is free and 100% open-source. The  Check_MK Enterprise Edition includes several additional features and professional support from the authors, billed annually. A demo version is freely available for testing the Enterprise Edition in a non-production environment.

Check_MK can be installed on Linux servers via DEB and RPM packages found on our Downloads page. The Enterprise Edition is also available as a virtual or physical appliance. The following short installation guides show how you can easily set up Check_MK and begin monitoring.