Site Overview Dashboard remains almost empty

Hi @CFriedrich,
you have to update your Checkmk server agents to the 2.0.0p11 version. After the update your agents report the necessary data to the Checkmk server.

Then it will look like something like that:

Hope it helps :wink:

EDIT:
To get the information like OS, CPU Cores, RAM you have to have the Checkmk HW/SW Inventory enabled on the Checkmk server hosts!