gfxtest command not found

Introduction

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

gfxtest: command not found

or when using sudo you get the following error message

sudo: gfxtest: command not found

Solutions to gfxtest: command not found

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

In Ubuntu gfxtest is provided by gfxboot-dev package.

gfxboot-dev is:

gfxboot is a tool to test and create graphical boot logos for gfxboot compliant boot loaders. Currently, this includes grub, lilo, and syslinux (all payloads).

This package contains the development utilities.

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

sudo apt-get -y install gfxboot-dev

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

You can also use apt command to install gfxboot-dev.

sudo apt -y install gfxboot-dev

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

sudo aptitude install gfxboot-dev

Summary

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