Extracts from Digitalocean tutorial

timedatectl list-timezones
sudo timedatectl set-timezone America/New_York
sudo apt-get update
sudo apt-get -y install ntp
Configure ntp.conf
sudo service ntp restart
Install puppet

   cd ~ && wget https://apt.puppetlabs.com/puppetlabs-release-pc1-trusty.deb
   sudo dpkg -i puppetlabs-release-pc1-trusty.deb
   sudo apt-get update