cat /etc/apt/sources.list
#
# deb cdrom:[Debian GNU/Linux 4.0 r0 _Etch_ - Official i386 NETINST Binary-1 20070407-11:29]/ etch contrib main

# deb cdrom:[Debian GNU/Linux 4.0 r0 _Etch_ - Official i386 NETINST Binary-1 20070407-11:29]/ etch contrib main


############ stable
deb http://ftp.de.debian.org/debian/ etch main contrib non-free
deb-src http://ftp.de.debian.org/debian/ etch main contrib non-free

deb http://security.debian.org/ etch/updates main contrib non-free
deb-src http://security.debian.org/ etch/updates main contrib non-free
############ stable

############ backports
deb http://www.backports.org/debian etch-backports main contrib non-free
############ backports

############# experimental
#deb http://ftp.de.debian.org/debian testing main contrib non-free
#deb-src http://ftp.de.debian.org/debian testing main contrib non-free

# deb http://ftp.de.debian.org/debian unstable main contrib non-free
# deb-src http://ftp.de.debian.org/debian unstable main contrib non-free

# deb http://ftp.de.debian.org/debian experimental main contrib non-free
# deb-src http://ftp.de.debian.org/debian sid experimental contrib non-free
############# experimental


#deb unofficial
deb http://ftp.debian-unofficial.org/debian etch main contrib non-free restricted

deb-src http://ftp.debian-unofficial.org/debian etch main contrib non-free restricted

#deb multimedia
deb http://www.debian-multimedia.org etch main

#deb postgresql
deb ftp://ftp.de.postgresql.org/mirror/postgresql/pgadmin3/release/debian etch pgadmin

# Opera Browser - Production release
deb http://deb.opera.com/opera/ etch non-free

# Oracle XE
deb http://oss.oracle.com/debian unstable main non-free
# wget http://oss.oracle.com/el4/RPM-GPG-KEY-oracle  -O- | sudo apt-key add -
# apt-get update
# apt-get install oracle-xe

# Skype
deb http://download.skype.com/linux/repos/debian/ stable non-free