Don't worry! It's only stuff...

# add repository
cat <<EOF> /etc/apt/sources.list.d/chromium.list
deb http://ppa.launchpad.net/chromium-daily/ppa/ubuntu karmic main
EOF
 
# update package list
apt-get update
 
# add repository key
apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 5A9BF3BB4E5E17B5
 
# install chromium
apt-get install -y chromium-browser