Server Temperature Monitor?

Kimball Larsen kimball at
Mon Feb 2 13:59:52 MST 2009

It appears that my temp readings may not be all that unbelievable - my  
server room's ambient temperature is currently hovering just about 55  
degrees - and here is what sensors -f has to say about my cores:

/usr/sbin# sensors -f
Adapter: PCI adapter
Core0 Temp:  +84.2°F
Core1 Temp:  +87.8°F

So, given that I'm not much of a shell scripter guy, anyone have any  
tips for how to get the system to mail me if the temp ever gets above,  
say, 160 F?


- Kimball

On Feb 2, 2009, at 1:45 PM, Shane Hathaway wrote:

> Joseph Hall wrote:
>> Well, either I don't have a server-class motherboard in this box, or
>> it's not configured correctly.
>> # ipmitool sensor list
>> Could not open device at /dev/ipmi0 or /dev/ipmi/0 or /dev/ipmidev/0:
>> No such file or directory
>> Get Device ID command failed
>> Unable to open SDR for reading
> Try this first:
> modprobe ipmi_msghandler
> modprobe ipmi_si
> modprobe ipmi_devintf
> If you have IPMI hardware, those should succeed.  The udev rules  
> should produce /dev/ipmi/0 when those modules are loaded, but if  
> they don't, you can create the device file like so:
> mknod /dev/ipmi0 c 254 0
>> Unfortunately, lm_sensors is doing about as well for me as it is  
>> for Kimball:
>> # sensors
>> k8temp-pci-00c3
>> Adapter: PCI adapter
>> Core0 Temp:
>>            -49°C
>> Core1 Temp:
>>             +1°C
>> As awesome as it would be for my processor to be running that cool  
>> (or
>> even be a dual-core, which that particular one isn't), I don't think
>> it's right.
> Oh come on, computers never lie, so admit it: you're using liquid  
> nitrogen to cool it.  Can I have some?
> Shane
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