Yes, sir. What distribution of Linux are you using? Please update your LQ UserCP
so that we'll have some clues about you. ;')
From a terminal issue "cat /proc/acpi/thermal_zone/THZN/temperature" and if your
box has ACPI in the kernel, you'll get the temp.
GkrellM is a system monitor which also allows you to track temps, fans, voltages
when you get proper kernel support and configuration. And then there is also
This also assumes your motherboard supports it.