Install Composer on Managed Hosting at Domainfactory

Step 1:

Log in to your Managed Hosting Server via SSH. Create your .bashrc:

touch .bashrc

Step 2:

Add these two lines to the .bashrc:

alias php7cli='/usr/local/bin/php7-71LATEST-CLI'
alias composer='php7cli ~/composer.phar'

Step 3:

Reload .bashrc with

$ source .bashrc

Step 4:

Install Composer with

$ curl -sS https://getcomposer.org/installer | php7cli

Step 5:

Done.

Check the installation with

$ composer --version

You should see something like this:

Composer version 1.7.3 2018-11-01 10:05:06

Your version will probably differ.