How-To: One iTunes Library With Multiple Computers

I recently set up a Mac mini in my living room to act as a media server. Instead of trying to update separate music libraries every time I added songs to my collection, I was just adding the music to the Mac mini’s iTunes library and streaming it my laptop. That worked fine until I tried to sync my iPhone. For obvious (copyright) reasons you cannot sync an iPhone to a shared library.

I wanted access to my music on both machines, but I did not want to share my Macbook Air’s library because the laptop would have to be on with iTunes running for the Mac mini to have the music. At this point, I had to choose between running separate libraries and updating them independently or figure out a way to run one library that updated whenever I added music from either machine. I chose the latter of the two options.
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