I always run into issues installing Jellyfin on TrueNAS core. I fix them, and then I forget a few months later, so these are just my notes to myself of how to install Jellyfin on TrueNAS core.
Install based on these instructions:
We need to follow the advanced instructions because TrueNAS plugins are deprecated.
Gotcha: Jellyfin server is not available 🔗︎
The first few loads after installing, an error will appear saying Jellyfin isn’t available. For some reason, waiting a few minutes fixed the issue and let me create a new account.
Mounting media 🔗︎
Go to Jails > Mount Points.
Mount the folder(s) of media to
Mount as read-only.
Granting permissions 🔗︎
Open Jails > Jellyfin > Shell and type
From the TrueNAS pool, add an ACL item for the uid of the Jellyfin user, specifying the
uid instead of a username.
Adding libraries 🔗︎
The add library screen is strange and doesn’t give good feedback. Type
/media and then hit the search button. If the permissions are set correctly, you should see subfolders of the mounted drive.
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