http://linuxondesktop.blogspot.com/2007/02/13-things-to-do-immediately-after.html
upgrade the sources.lst in /etc/apt/ to
deb http://security.ubuntu.com/ubuntu dapper-security main restricted
deb-src http://security.ubuntu.com/ubuntu dapper-security main restricted
# deb http://security.ubuntu.com/ubuntu dapper-security universe
# deb-src http://security.ubuntu.com/ubuntu dapper-security universe
deb http://archive.ubuntu.com/ubuntu dapper main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu dapper main restricted universe multiverse
## MAJOR BUG FIX UPDATES produced after the final release
deb http://archive.ubuntu.com/ubuntu dapper-updates main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu dapper-updates main restricted universe multiverse
## UBUNTU SECURITY UPDATES
deb http://security.ubuntu.com/ubuntu dapper-security main restricted universe multiverse
deb-src http://security.ubuntu.com/ubuntu dapper-security main restricted universe multiverse
## BACKPORTS REPOSITORY (Unsupported. May contain illegal packages. Use at own risk.)
deb http://archive.ubuntu.com/ubuntu dapper-backports main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu dapper-backports main restricted universe multiverse
## PLF REPOSITORY (Unsupported. May contain illegal packages. Use at own risk.)
deb http://packages.freecontrib.org/plf dapper free non-free
deb-src http://packages.freecontrib.org/plf dapper free non-free
## CANONICAL COMMERCIAL REPOSITORY (Hosted on Canonical servers, not Ubuntu
## servers. RealPlayer10, Opera and more to come.)
deb http://archive.canonical.com/ubuntu dapper-commercial main
deb ftp://ftp.nerim.net/debian-marillat/ unstable main
apt-get -y update
apt-get -y upgrade
apt-get -y install make gcc g++ tetex-bin mplayer gkrellm cvs emacs exuberant-ctags vlc libpcap-dev ispell xpdf gv xmms xfig vim tree traceroute sendmail manpages-posix manpages-posix-dev linux-source linux-headers-386 libncurses5-dev initrd-tools
