[How To] Monitor CPU Temperature and Performance on Linux

Table of Contents

Checking CPU Temperature

Monitoring your CPU temperature is crucial to maintaining system stability and preventing damage. Here are two methods to check your CPU temperature on Linux:

Using lm-sensors:


sudo apt install lm-sensors

Detect sensors:

sensors -d

View CPU temperature:


Using Psensor (GUI):


sudo apt install psensor

Run Psensor application by searching for it in your application menu.

Monitoring CPU Performance

Monitoring CPU performance helps you identify resource bottlenecks and optimize your system. Here are two common tools:

Using htop command


sudo apt install htop

Run htop application by typing “htop” in your terminal.

htop provides a real-time overview of CPU usage, memory, processes, and more.

Using sar command

Run the following command to see CPU usage over time:

sar 1 5

This command displays CPU utilization information every 5 seconds for 1 minute.


Monitoring CPU temperature and performance is essential for maintaining a healthy and efficient Linux system. By using the tools mentioned above, you can gain valuable insights into your system’s health and identify potential issues before they become critical.

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