any tool which monitor my cpu temperature and shutdown my machine automatically

[loody]

hi:
> On Mon, 26 Jul 2010 00:21:39 +0800
> loody wrote:
>
>> Dear all:
>> is there any tool under ubuntu which can monitor the temperature of
>> cpu and shutdown it automatically if the temperature reach the limit?
>> appreciate your help,
>> miloody
>
> lm-sensors will monitor the temperatures, if you have the right chips
> onboard.
>
Can this tool also automatically shutdown my machine if the
temperature over the limit?
appreciate your help,
miloody