I am trying to setup a RaspberryPi as a Plex Media Server.

The server is setup and running. I can access it via the web interface.

I want my media files in the directory /mnt/sda/will/plex.

This is the permissions of that directory:

pi@raspberrypi:/mnt/sda/will $ sudo ls -lstr
total 8
4 drwxrwxrwx 3 will root 4096 Dec 28 16:53  plex
4 drwxrwxrwx 2 will will 4096 Dec 28 16:53 'test folder'

My Plex server is using user will:

pi@raspberrypi:/mnt/sda/will $ sudo nano /etc/default/plexmediaserver with line export PLEX_MEDIA_SERVER_USER=will.

Neither folders plex or test folder can be see by Plex:

plex cannot see sub-directory

No media added to directory/mnt/sda/will/ or either sub-directories is picked up by Plex.

This has all the hallmarks of a permissions issue but I can't see at all where they are incorrect.

It's might be worth noting that I can access the folders via networked drive using user will.

1 Answer 1


Take a look at the permissions on the folders at or above /mnt/sda/will. All of those folders need to have r and x permission on them. 'x' means something different on folders than files. You could probably solve the problem running the following commands:

sudo chmod a+rX /mnt
sudo chmod a+rX /mnt/sda
sudo chmod a+rX /mnt/sda/will

When running chmod +X (the X being capitalized) it will only apply the x permission to folders which makes it very useful when used recursively.

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