To finish the install of mod_mp3, you need to enable the module by using the following command ${PREFIX}/sbin/${MODAPACHE_ENABLE} A sample configuration has been copied to: /var/www/conf/modules.sample/mp3.conf Modify the sample configuration and create a symbolic link: ln -s /var/www/conf/modules.sample/mp3.conf \ /var/www/conf/modules/mp3.conf If you already have Apache running on your machine, you should not use "apachectl restart" - instead, you should fully stop and then restart the server.