See rinv manpage </guides/admin-guides/references/man1/rinv.1> for more information.
Use rinv command to remotely obtain inventory information of a physical machine. This will help to distinguish one machine from another and aid in mapping the model type and/or serial number of a machine with its host name.
To get all the hardware information for node cn1: :
rinv cn1 allTo get just the firmware information for cn1: :
rinv cn1 firm