byebug command not found

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

Introduction

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

byebug: command not found

or when using sudo you get the following error message

sudo: byebug: command not found

Solutions to byebug: command not found

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

In Ubuntu byebug is provided by ruby-byebug package.

ruby-byebug is:

Byebug is a Ruby 2 debugger. It’s implemented using the Ruby 2 TracePoint C API for execution control and the Debug Inspector C API for call stack navigation. The core component provides support that front-ends can build on. It provides breakpoint handling and bindings for stack frames among other things and it comes with an easy to use command line interface.

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

sudo apt-get -y install ruby-byebug

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

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

sudo apt -y install ruby-byebug

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

sudo aptitude install ruby-byebug

Summary

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