One host for hub and node
Installing via chef-solo:
echo "chef chef/chef_server_url string localhost
postfix postfix/main_mailer_type select No configuration " | debconf-set-selections
echo "deb http://apt.opscode.com/ precise-0.10 main" > /etc/apt/sources.list.d/opscode.list
apt-get update > /dev/null; apt-get install chef git-core
mkdir cookbooks && cd cookbooks
git clone git://github.com/yandex-qatools/chef-selenium.git selenium
mv selenium/recipe.json ../
cd ../ && tar czvf chef-solo.tar.gz ./cookbooks
chef-solo -j recipe.json -r chef-solo.tar.gz