apt-get install slimserver

Modify /etc/apt/sources.list:

deb http://debian.slimdevices.com stable main

Upgrade SlimServer:

apt-get update
apt-get install slimserver

Add to user “slimserver” the group which owns the music directories (e.g. “musicdir”):

usermod -G musicdir slimserver

Restart slimserver and enter path to library and music directories in SlimServer.