lightspeed command not found

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

Introduction

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

lightspeed: command not found

or when using sudo you get the following error message

sudo: lightspeed: command not found

Solutions to lightspeed: command not found

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

In Ubuntu lightspeed is provided by lightspeed package.

lightspeed is:

Light Speed! is an OpenGL-based program which illustrates the effects of special relativity on the appearance of moving objects. When an object accelerates past a few million meters per second, these effects begin to grow noticeable, becoming more and more pronounced as the speed of light is approached. These relativistic effects are viewpoint-dependent, and include shifts in length, object hue, brightness and shape.

The moving object is, by default, a geometric lattice. 3D Studio and LightWave 3D objects may be imported as well. Best of all, the simulator is completely interactive, rendering the exotic distortions in real-time!

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

sudo apt-get -y install lightspeed

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

You can also use apt command to install lightspeed.

sudo apt -y install lightspeed

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

sudo aptitude install lightspeed

Summary

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