Landing page for http://plexapp.com/
Please contribute and update. Plex media server is installable via AUR: AUR.
To start plex, run sudo systemctl start plexmediaserver. Use sudo systemctl enable plexmediaserver to have it start on startup. Then go to localhost:32400/manage to set up plex. If you want to add media folders in your home directory you may get a permissions issue. chmod 775 ~/ and usermod -a -G users plex to allow plex to access your files.