Rule #1: If Firefly is not working check access permissions.
Rule #2: If it’s still not working, check permissions again 😀
Firefly runs as nobody/nobody on *nix systems. This means that permissions for owner/group/others needs to be set to rw-r–r–
Problem 1: Sound like the web interface doesn’t have write access to the config file
Problem 2: The “no songs” is because Firefly probably doesn’t have read access to where the music is stored
Problem 3: confirms that Firefly doesn’t have read access to the music library
Don’t know about two instances showing up