AirSonic is a free and open source media streaming server. In this tutorial, I will guide you through the process of deploying an AirSonic server instance from scratch on a Ubuntu 18.04 LTS server instance. - A newly deployed Vultr Ubuntu 18.04 LTS server instance with at least 2GB of memory. Say it has an IPv4 address `203.0.113.1`. - A [sudo user](https://docs.vultr.com/how-to-use-sudo-on-a-vultr-cloud-server). - A domain `airsonic.example.com` being pointed to the server instance mentioned ab......