Hello friends,

Here we are with another tutorial on the installation and use of Composer on Ubuntu 20.04. So, let’s get going! Before getting into the installing part, let us first briefly brush you all up about what exactly is a composer and its main use.

Introduction:

Composer is a prevalent dependency manager in PHP. Composer enables you to specify the PHP libraries that your project is dependent on, and it pulls and manages all the libraries and dependencies by using the appropriate versions according to the requirements of your project. Composer can be used in all the latest PHP frameworks as for example Laravel, Symfony, Drupal, and Magento.

magento 2 mobile app

Steps to install Composer on Ubuntu 20.04

Step 1 — Installing PHP and Additional Dependencies

First, update the package manager cache

Next, run the following command to install the required packages:

You will be prompted to confirm installation by typing Y and then ENTER.

Step 2 — Downloading and Installing Composer

To install composer globally, use the following command which will download and install Composer as a system-wide command named  composer, under /usr/local/bin:
To check your installation, run:

Step 3 — Using Composer in a PHP(Magento 2) Project

When a required package relies on a system library that is currently not installed on your server, you will get an error telling which requirement is missing:

Step 4 — Updating Project Dependencies

Whenever you want to update your project dependencies to more recent versions, run the update command:

You can also update one or more specific libraries by specifying them like this:

Closure:

So, here we have demonstrated How To Install and Use a Composer on Ubuntu 20.04. Make sure to perform all the steps carefully for a smooth installation. You can also upgrade your Magento version with zero downtime and data loss by using our Magento Upgrade Service.

We will be glad to receive from you if there are any queries or doubts you have. Share this blog with your friends.

Happy Coding!

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