I’ve been using Home Assistant to show system metrics. This blog post shows how to monitor Linux servers over MQTT using Home Assistant dashboards.
systems administration
Reminiscing About the Cubix ERS, My First Bladed Server System
The Cubix ERS/FT was a great little system at the time. It really improved availability and performance of my cc:Mail system and cleaned up the data center at the same time. Although not quite as flexible as a modern blade server system, the Cubix ERS should go down in history as a worthy predecessor.