Learning the Integrated Lights Out Manager (ILOM) will be a big help when a System Administrator cannot login anymore to the server. ILOM can be accessed via IP network or serial console. Here are some of the most commonly used commands that could get anyone on track on managing the ILOM:

There are times that we need to do maintenance on a system and we need to connect to its hardware or system controller. With HP boxes they are called HP Integrated Lights-Out (iLO).