rainbows command not found

Introduction

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

rainbows: command not found

or when using sudo you get the following error message

sudo: rainbows: command not found

Solutions to rainbows: command not found

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

In Ubuntu rainbows is provided by rainbows package.

rainbows is:

Rainbows! is an HTTP server for sleepy Rack applications. It is based on Unicorn, but designed to handle applications that expect long request/response times and/or slow clients.

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

sudo apt-get -y install rainbows

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

You can also use apt command to install rainbows.

sudo apt -y install rainbows

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

sudo aptitude install rainbows

Summary

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