Xdock is the new game in town. Use it to prepare a nice little dockapp that uses warewulf to display the CPU status of the cluster's nodes. Nice and easy:

By having wulfd running on the head node, can also watch how relaxed the server is (first column in the applet).

Surprise, surprise: power failure again. Looks like the current settings for the UPS can shut down everything gracefully. Still have a problem with the cluster coming up automatically and cleanly (mainly because the power is not restored cleanly, but through bursts of power-on-power-down).