zombies170:
Where should I start?
Familiarize yourself with the concept of file ownership and access permissions.https://support.plex.tv/articles/200288596-linux-permissions-guide/
Plex server is running in a different user account than the logged in computer user.
Automating Linux permissions using inheritance (helps with DVR/LiveTV too)
Linux has a very powerful and convenient way of automatically setting the permissions of your media files as you add more to your media directories.
Linux allows only one username and one group to own a file which is somewhat of a restriction. This can be easily leveraged to accomplish what is needed for Plex.
An excellent application of this is when you wish to record with Plex DVR, allowing it to write directly in…
