Server Pingu
Pingu is my home server
The server is Ubuntu 18.04 running LXC (Linux Containers). A virtualization method for running multiple isolated Linux systems (containers) on a control host using a single Linux kernel.
It runs lots lxc instances, some of which are accessible externally via the nginx proxy.
Mail-In-A-Box Home Server
Detailed instructions on how I set-up my Mailinabox Home Server