You are a Drupal developer and you prefer to do all the installations and updates of your web sites using Drush, but your newest customer has a managed server at Hetzner? I am sure you already know that drush isn’t already installed and it is a little bit difficult to persuade the system administrator to add it. The following guide will help you to install it and use it in a few minutes.
My personal webserver has 255 days uptime. High availability for my hosted websites, with no downtime all these days. Of course, the webserver is fully updated at the latest stable software available.