NOTE: with version 7.4, Logitech has renamed it's SqueezeCenter software to Squeezebox Server.

Modify /etc/apt/sources.list:

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

Install Squeezebox Server:

apt-get update
apt-get install squeezeboxserver

• reboot server
• upgrade your clients firmware
• if you copy the music files from Windows XP, the permissions are .rwx.r.x.r.x, no need to adjust any permissions