mred command not found

Introduction

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

mred: command not found

or when using sudo you get the following error message

sudo: mred: command not found

Solutions to mred: command not found

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

In Ubuntu mred is provided by racket package.

racket is:

Racket (previously PLT Scheme) is a programming language suitable for scripting and application development, including GUIs and web services.

It supports the creation of new programming languages through a rich, expressive syntax system. Supplied languages include Typed Racket, ACL2, FrTime, and Lazy Racket, and R6RS Scheme.

Racket includes the DrRacket programming environment, a virtual machine with a just-in-time compiler, tools for creating stand-alone executables, the Racket web server, extensive libraries, and documentation for both beginners and experts.

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

sudo apt-get -y install racket

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

You can also use apt command to install racket.

sudo apt -y install racket

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

sudo aptitude install racket

Summary

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