r2r_show command not found

Introduction

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

r2r_show: command not found

or when using sudo you get the following error message

sudo: r2r_show: command not found

Solutions to r2r_show: command not found

How To Fix r2r_show: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu r2r_show is provided by ruby-ruby2ruby package.

ruby-ruby2ruby is:

ruby2ruby provides a means of generating pure Ruby code easily from ParseTree’s Sexps. This makes making dynamic language processors much easier in Ruby than ever before.

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

sudo apt-get -y install ruby-ruby2ruby

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

You can also use apt command to install ruby-ruby2ruby.

sudo apt -y install ruby-ruby2ruby

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

sudo aptitude install ruby-ruby2ruby

Summary

In this tutorial we learn how to fix r2r_show command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.