hddtemp is a simple small app to monitor your hard disk temperature. It works by accessing the SMART capability of modern disks.

Here’s how to install it.

Download and compile from source.
#cd /tmp<br /> #wget http://download.savannah.gnu.org/releases/hddtemp/hddtemp-0.3-beta15.tar.bz2<br /> #tar -jxvf hddtemp-0.3-beta15.tar.bz2<br /> #cd hddtemp-0.3-beta15<br /> #./configure<br /> #make<br /> #make install<br /> #cd /usr/share/misc/<br /> #wget http://download.savannah.gnu.org/releases/hddtemp/hddtemp.db

Test it.
#hddtemp /dev/sda<br /> #/dev/sda: WDC WD2500JS-75NCB3 : 45°C