The plug-in is for the Konqueror web browser. If that is the browser you use, then it will work in Red Hat.
It will even produce sql statements to add the information into a database. It isn't id3v3 however, so it can't send pictures to a player. Actually, I looked on the web for sites about id3v3 and they seem to all have been shut down. ( such as id3v3.org ).