mate-optimus-applet command not found

Introduction

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

mate-optimus-applet: command not found

or when using sudo you get the following error message

sudo: mate-optimus-applet: command not found

Solutions to mate-optimus-applet: command not found

How To Fix mate-optimus-applet: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu mate-optimus-applet is provided by mate-optimus package.

mate-optimus is:

NVIDIA© Optimus(TM) technology intelligently optimizes your notebook PC, providing the outstanding graphics performance you need, when you need it, all the while extending battery life for longer enjoyment.

This applet provides means to display the active GPU and lets you switch between the Intel and Nvidia GPUs on NVIDIA Optimus equipped computers.

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

sudo apt-get -y install mate-optimus

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

You can also use apt command to install mate-optimus.

sudo apt -y install mate-optimus

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

sudo aptitude install mate-optimus

Summary

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