* dmidecode — read bios/dmi hardware tables/

* ipmitool — ipmi / bmc management/

* lshw — list hardware/

* lspci — list pci devices/

* lsusb — list usb devices/

* mcelog — machine check exception logging/

* network ups tools (nut) — ups monitoring and shutdown/

* racadm — dell idrac/drac management/

* rasdaemon — ras event logging (mcelog successor)/

* reading cpu and system temperatures/