Easy and simple to set up, especially compared to other more feature rich options such as OpenMediaVault. After spending a while tinkering and getting stuck with OMV and other setups to get a simple home media and backup server going, I have settled on DietPi for its ease of use, regular updates, excellent documentation, and and good built in software selection. Very basic Linux command line experience is required: all of the functions are available in a simple graphical (text only) interface. No more setting and remembering directory paths, passwords, IP addresses and so forth for the various programs you need to work together. Runs great with a Raspberry PI 4.