http://onap.readthedocs.io/en/latest/submodules/oom.git/docs/oom_user_guide.html#pre-requisites

Enter the following to install kubectl (on Ubuntu, there are slight differences on other O/Ss), the Kubernetes command line interface used to manage a Kubernetes cluster:

above is too generic
This is as a result of an ops review with 10 developers - they go back to the wiki to determine which flavor 16.04 of ubuntu to use.