Hi @jsthale, install Samba and share the directory with your music library. Here are the instructions for Ubuntu, I’m sure you can find the equivalent for the distro you are running.

https://ubuntu.com/tutorials/install-and-configure-samba#1-overview

As press250 says, you’ll probably just end up using Samba. When I first set up my system I had hopes that I could set up a DLNA server on my Linux box but… it didn’t work! Installation is trivial but I found Samba configuration to be a bit of a pain - but it worked (eventually).

On a slightly different subject, don’t forget Noson - available in the repositories for Mint and Ubuntu, among others. That will play back media that’s on the hard disk of the system that it’s running on. Maybe one day Sonos will update the system firmware to kill it off, but it seems to run fine at the moment…