Moving metadata from Ubuntu snap to Mint flatpak

I am moving from my Ubuntu install that was using snap to install Plex to using Linux Mint and installing Plex using flatpak. I need to move my metadata including watch history to the new Mint OS and can not find the metadata location for Plex that was installed via flatpak from the software manager. I am very new to Linux and from what I understand is that flatpak apps are fully self contained and may need to gain access to those files some how but don’t really know were to start.

  1. I don’t understand why flatpak on, essentially Ubuntu, Linux when the native app is available but the process is fundamentally the same

  2. To capture your metadata from snap

  • Turn off all the ‘Library’ settings so PMS doesn’t rescan when you first start it up
  • Stop PMS
  • As root, get into `/var/snap/plexmediaserver/common/Library/Application Support/Plex Media Server’
  • Make a tar ball of the directory and sub-directories
    tar cf /path/to/some/place/PlexBackup.tar . (the . is required)
    – When it completes, PlexBackup.tar will be a perfect clone of your snap-based server
  1. Now, you can get into either
    – /var/lib/plexmediaserver/Library/Application Support/Plex Media Server
    – with PMS stopped, remove the empty server which was created (rm)
    – extract the tarball (again, as root)
    – Fix ownership if needed

  2. start it up and go

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