composer command not found

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

Introduction

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

composer: command not found

or when using sudo you get the following error message

sudo: composer: command not found

In Ubuntu composer is provided by composer package.

composer is:

Composer helps you declare, manage and install dependencies of PHP projects. It ensures you have the right stack everywhere.

It behaves like Bundler (Ruby), npm (Node), etc.

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

sudo apt-get -y install composer

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

You can also use apt command to install composer.

sudo apt -y install composer

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

sudo aptitude install composer

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