numlockx command not found

In this troubleshooting guide we learn how to fix numlockx command not found error message

Introduction

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

numlockx: command not found

or when using sudo you get the following error message

sudo: numlockx: command not found

In Ubuntu numlockx is provided by numlockx package.

numlockx is:

Utilities to enable the keyboard’s Numeric Lock during X11 session initialization or using command line utility.

The package automatically installs session script to enable numlock on session start.

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

sudo apt-get -y install numlockx

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

You can also use apt command to install numlockx.

sudo apt -y install numlockx

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

sudo aptitude install numlockx

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