Install puppet (more info).
wget http://apt.puppetlabs.com/puppetlabs-release-precise.deb dpkg -i puppetlabs-release-precise.deb apt-get update && apt-get install puppet
Install foreman (as of version 1.1, seeforeman docs)
echo "deb http://deb.theforeman.org/ precise stable" > /etc/apt/sources.list.d/foreman.list wget -q http://deb.theforeman.org/foreman.asc -O- | apt-key add - apt-get update && apt-get install foreman-installer
and get some coffee. This will run for a while.
Your config is stored here /usr/share/foreman-installer/foreman_installer/answers.yaml