[Klug-general] System temperature monitoring

[Karl Lattimer]

On Mon, 2009-12-14 at 12:13 +0000, Mike Evans wrote: 
> 
> J D Freeman wrote:
> > 
> > This is actually one area I don't have a command line answer, as I use
> > gklremm for machine monitoring, this gives me useful temperature numbers.
> > 
> > hddtemp has proven reasonably accurate for me on western digital hard
> > disks. 
> > 
> 
> I think the biggest issues comes from whether you have the right bits 
> and bobs (technical term for drivers etc) installed to pick up the 
> information.  If you do then it is almost certainly brought through to 
> the virtual filesystem in /proc and you can access that with cat, grep 
> and sed if you need to as most things in there end up looking like text 
> files.
> 
> For example on my main machine:
> $ cat /proc/acpi/thermal_zone/THRM/temperature
> temperature:             40 C

Generally speaking it's better to use the SMC provided information in
sysfs these days. At least applesmc provides better data than proc. I
suppose this requires sysfs support for your hardware's sensors though.

Using sysfs on my macbook I can also level shelves :D 

BR,
K