There’s an app indicator called indicator-sensors for monitoring hardware temperatures on Ubuntu 12.04 Unity’s panel. The indicator displays the temperatures of CPU, video card, hard disk and also cpu fan speed.

Install indicator-sensors in Ubuntu 12.04

You can install this indicator from the developer Alex Murray’s ppa. Use graphical way adding ppa:alexmurray/indicator-sensors.

  • Or, open terminal from the dash home(or press Ctrl+Alt+T) and execute this command to add ppa:
    sudo add-apt-repository ppa:alexmurray/indicator-sensors
  • Update the source:
    sudo apt-get update
  • Install indicator-sensors:
    sudo apt-get install indicator-sensors