intel_backlight command not found

Introduction

When you run more command in linux terminal / console, you get the following error message

intel_backlight: command not found

or when using sudo you get the following error message

sudo: intel_backlight: command not found

Solutions to intel_backlight: command not found

How To Fix intel_backlight: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu intel_backlight is provided by intel-gpu-tools package.

intel-gpu-tools is:

intel-gpu-tools is a package of tools for debugging the Intel graphics driver, including a GPU hang dumping program, performance monitor, and performance microbenchmarks for regression testing the DRM.

To fix this problem, we can install more using the command below.

sudo apt-get -y install intel-gpu-tools

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install intel-gpu-tools.

sudo apt -y install intel-gpu-tools

Or if you have aptitude installed you can use the following command.

sudo aptitude install intel-gpu-tools

Summary

In this tutorial we learn how to fix intel_backlight command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.