The steps to install Composer

The following steps are entered in a SSH terminal session in the home folder of the website.

sudo apt update

sudo apt install wget php-cli php-zip unzip

Cd /home/ftpuser/RetamaD9

php -r "readfile('https://getcomposer.org/installer');" | php -c php.ini

To run Composer

php composer

Install Git

Another utility used is Git.

sudo apt install git-all