Other ways to install
If you’re planning to run Emby on a Pi 3, then there’s a guide to installing it as part of a DietPi installation at www. htpcbeginner.com/setup-emby-server-with-raspberrypi-3. DietPi is a stripped-back operating system that includes EmbyServer as an optional extra during installation. It’s by far the simplest way to get Emby running on your Pi 3.
Emby can also be installed on a number of NAS devices – see https://emby.media/nas-server.html for a list. We installed it on a QNAP TS-251+ by first adding the Qnapclub