i loaded redhat from digit (10 cd pack) and when i doubble click on an mp3 file, i get a message saying that that this function is not enabled also now when i start linux an error message says run fcgs(or something like that) manully. I'm new to linux and don't know a thing about linux.
You need a file called libmpg123.so
google for it and get an older version of the file (older than the current file you have)
save it to the location in your system(use find)
Then you can play the music