You change the PLEX_MEDIA_SERVER_APPLICATION_SUPPORT_DIR via the systemcl override mechanism.
sudo mkdir /etc/systemd/system/plexmediaserver.service.dsudo <editor-of-choice> /etc/systemd/system/plexmediaserver.service.d/override.conf- Add the following lines:
[Service]
Environment="PLEX_MEDIA_SERVER_APPLICATION_SUPPORT_DIR=/path/to/new/Application Support"
You can add # comments if you wish.
- Save the file
- sudo systemctl daemon-reload
- sudo systemctl restart plexmediaserver
Details are here: