IPMI - Control of Your Hardware

See http://openipmi.sourceforge.net/

IPMI (actually ipmitool, from the OpenIPMI Project) is a way for software to ask the hardware about what's going on. What are the temperatures of things? Has some hardware failure been detected (or recovered from)? In short on higher-end server machines (e.g. Dell PowerEdge) IPMI allows me to write some scripts to find out if I should be paying attention to something. This is especially important when my remote cluster (see CSG Cluster) is miles away from my desk. What follows is a sanitized (nothing important deleted I hope) description of what I've figured out about Dell PowerEdge machines, Remote Access Controllers and IPMI.