The goal is to use this machine as a general purpose computer in a classroom for high school students. The Mac Mini I’m rescuing is a mid-2011 with i5-2415M, 2GB RAM and 500GB HDD, running macOS High Sierra (version 10.13).
This post outlines the process of moving a Mac Mini (mid-2011) to Linux. While the hardware is still usable, macOS and Apple software cannot be updated to their current releases.
When Apple released MacOS Majove in 2018, the minimum hardware requirements abandon lots of great hardware.