How to view harddrive temperature in Linux

Harddrive or harddisk normally has built in temperature sensor and the information could be viewed in Linux using the hddtemp utility via the S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology) system.

Harddisk temperature information can be viewed using hddtemp utility at the terminal in Linux.

Steps to view harddrive temperature in Linux:

1. Launch a terminal application.
2. Install hddtemp utility.

   $ sudo apt update && sudo apt install --assume-yes hddtemp 

3. Start hddtemp service.

   $ sudo systemctl start hddtemp

4. Configure hddtemp service to automatically start during system boot.

   $ sudo systemctl enable hddtemp
   hddtemp.service is not a native service, redirecting to systemd-sysv-install.
   Executing: /lib/systemd/systemd-sysv-install enable hddtemp

5. View available disk drives.

   $ lsblk | grep disk
   sda      8:0    0 465.8G  0 disk

6. View temperature of selected disk drive.

   $ sudo hddtemp /dev/sda
   /dev/sda: TOSHIBA MQ01ACF050: 39°C