Read Temperature From OpenIPMI on PowerEdge 2950/PowerVault220
Once you've got OpenIPMI installed and the service started (or loaded the module and created the device node), run:
server1 # ipmitool sensor get "Ambient Temp" Locating sensor record... Sensor ID : Ambient Temp (0x8) Entity ID : 7.1 Sensor Type (Analog) : Temperature Sensor Reading : 28 (+/- 1) degrees C Status : ok Lower Non-Recoverable : na Lower Critical : 3.000 Lower Non-Critical : 8.000 Upper Non-Critical : 42.000 Upper Critical : 47.000 Upper Non-Recoverable : na Assertion Events : Assertions Enabled : lnc- lcr- unc+ ucr+ Deassertions Enabled : lnc- lcr- unc+ ucr+