No media displayed in libraries Ubuntu 20.04.2

[tom80H]

The Linux Tips in the #general:tips-tricks-how-tos section are usually a good starting point to troubleshoot such issues. Based on your post I assume you’re still in the middle of the initial setup of this (new) server?

Linux Tips

Using other hard drives (Windows or Linux) with PMS This How-To is written to help with Internal and External drives. It also is written to demonstrate how to cope with NTFS and EXT4 formatted drives. By logical extension, any format supported by Linux can be handled using the technique shown here. In all cases, the goal is to give user plex permission to read your media files which Linux doesn’t allow by default due to its strict security model. We will walk through the steps needed …

→ see from step D onward.