You can read your hard disk’s temperature if the disk has an inbuilt temperature sensor. hddtem is a tool that will help you to read the temperature. It will give you the temperature of your hard drive by reading the Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T.) information on drives that support this feature. Only modern hard drives have a temperature sensor.

Step 1: Install hddtemp by typing the following command:

#yum install hddtemp

...or whatever your package manager supports.

Step 2: In the terminal, type the following command: #hddtemp /dev/sda

Here ‘/dev/sda’ is the hard disk that we are trying to get the temperature of