By some reason Plex Media Manager won't recognize my partition(/media/radibg2/Radi/). I've tried to start

x-www-browser http://localhost:32400/manage

(this is what the plex shortcut which is showing in the search runs) as sudo but it again didn't find the files? It loads the partition empty. In the Plex forum answered me to change the mounting point to /media/Radi and it will load the files, so how to do?


Firstly get to know the partition reference. Run sudo blkid and note the UUID of the partition.

Next you need to modify your /etc/fstab file to point to the desired mount point. Run sudo xdg-open /etc/fstab and add a line or modify the line referencing the partition.

An example line:

UUID="xxxx-xxxx"    /media/Radi ext4    defaults,user,auto  0   1

Then reboot your computer or run sudo mount -a


Copy all the files and folders from "/media/radibg2/Radi/" to "/media/Radi".

Then unmount your partition


umount [EXT] /media/radibg2/Radi/

Edit your fstab file:

sudo vi /etc/fstab

Change the mount point to "/media/Radi" from "/media/radibg2/Radi/" in fstab file and save the file

Now remount your partition with the mount point "/media/Radi"


mount -t xfs /dev/sdb1 /media/Radi

Hope this helps!

  • If you're changing the mount point, why first copy all the files from the mounted /media/radibg2/Radi to the unmounted (empty) directory /media/Radi? The files will stay put on whatever partition is being mounted – Xen2050 Dec 1 '14 at 10:52

Are you able to see & read/view the media files at all? And x-www-browser is just a link to a regular web browser (firefox here), but apparently that needs Avahi to be working. And the help webpage below says the link may really be http://localhost:32400/manage/index.html It should work from any connected computer too (replacing localhost with the computer's ip). But running your web browser with sudo shouldn't affect the results.

After browsing https://forums.plex.tv/index.php/topic/26727-how-to-plex-media-server-on-ubuntu/ it appears that Plex runs as it's own user, so maybe the plex user doesn't have read permission on the media files...

If you want to quickly and temporarily add a second mount point (to test if plex will see the media files mounted somewhere else) you can bind mount it to another directory with mount --bind olddir newdir (kind of like "linking" the two directories)

Then to change the mount point permanently just edit it's line in /etc/fstab changing the old /media/radibg2/Radi/ into /media/Radi (FYI lsblk will tell you what partition is currently mounted where).

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