firefox command not found

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

Introduction

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

firefox: command not found

or when using sudo you get the following error message

sudo: firefox: command not found

Solutions to firefox: command not found

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

In Ubuntu firefox is provided by firefox package.

firefox is:

This is a transitional dummy package. It can safely be removed.

firefox is now replaced by the firefox snap.

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

sudo apt-get -y install firefox

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

You can also use apt command to install firefox.

sudo apt -y install firefox

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

sudo aptitude install firefox

Summary

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