#deb file:///cdrom/ sarge main deb cdrom:[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-2 (20050607)]/ unstable contrib main deb cdrom:[Debian GNU/Linux 3.1 r0a _Sarge_ - Official i386 Binary-1 (20050607)]/ unstable contrib main # Security Updates deb http://security.debian.org/ stable/updates main contrib # Stable packages from internet deb http://ftp.ntua.gr/pub/linux/debian/ stable main contrib