Download the latest Raspbian Jessie lite image and write it with dd
sudo dd if=2017-01-11-raspbian-jessie-lite.img of=/dev/(your sdname ex sdb)
sudo su - mkdir /root/.ssh echo "" > /root/.ssh/authorized_keys chmod -R 700 /root/.ssh
Test if root@ works. thats all folks, all the next things will be done via ansible
Disable password authentication, update packages, install VIM, Java8 JDK and delete historical PI account
ansible-playbook -i hosts -u root playbook/systemconfig.yml
ansible-playbook -i hosts -u root playbook/warp10.yml
Warp10 starts and stops on boot