Set up the updater

The Magento 2 Updater enables you to use the Web Setup Wizard to manage the Magento system components. The updater uses the cron jobs update/cron.php and bin/magento setup:cron:run. Learn more about the cron setup in Configure the Magento application.

Clone the updater

Clone the Magento 2 updater to <your Magento install dir>/update.

Example:

cd ~/magento2
git clone git@github.com:magento/magento2-updater.git update

Install the updater

The Magento 2 updater contains the composer.json with dependencies that it requires to process. Install the dependencies using Composer:

cd update
composer install

Next step