With checkmk 2.0 the agent itself finally knows on which operating system family it runs and sets a host label accordingly. You then can filter on cmk/os_family:windows or cmk/os_family:linux.
With checkmk 2.0 the agent itself finally knows on which operating system family it runs and sets a host label accordingly. You then can filter on cmk/os_family:windows or cmk/os_family:linux.