This series will aim to become a reference to creating an ideal Production Webserver. It is geared towards Drupal configurations, but can be used for any server whose main function is to serve webpages.
Creating a performant, secure, scalable, redundant, production server environment can be (is) a complicated task. Having managed dozens of servers for many years, by no means is this the only way to go. But if you're administering your own server with a lot of clients, this is what works for us.