debian lenny 2 squeeze

# workaround:
# /etc/apt/sources.list
deb http://ftp.de.debian.org/debian-archive/debian/ lenny main
deb-src http://ftp.de.debian.org/debian-archive/debian/ lenny main

# http://www.sysadminslife.com/linux/howto-upgrade-debian-5-lenny-zu-debian-6-squeeze/
# Upgrade:
apt-get update
apt-get upgrade
apt-get dist-upgrade

# /etc/apt/sources.list anpassen
deb http://ftp.at.debian.org/debian/ squeeze main
deb-src http://ftp.at.debian.org/debian/ squeeze main

deb http://security.debian.org/ squeeze/updates main
deb-src http://security.debian.org/ squeeze/updates main
Upgrade durchführen:

# Die neuen Paketlisten downloaden:
apt-get update

# Paketmanager apt, dpkg und aptitude updaten:
apt-get install apt dpkg aptitude

#Update der restlichen Pakete:
apt-get dist-upgrade