Setup kubectl on nodes and elsewhere

setup.sh

kubectl config set-cluster local-server --server=https://kube-master.example.com:443 --certificate-authority=/etc/kubernetes/certs/ca.crt
kubectl config set-credentials default --client-certificate=/etc/kubernetes/certs/kubecfg.crt --client-key=/etc/kubernetes/certs/kubecfg.key
kubectl config set-context local-server --cluster=local-server --user=default
kubectl config use-context local-server

apiVersion: v1
clusters:
- cluster:
    certificate-authority: /etc/kubernetes/certs/ca.crt
    server: https://kube-master.example.com:443
  name: local-server
contexts:
- context:
    cluster: local-server
    user: default
  name: local-server
current-context: local-server
kind: Config
preferences: {}
users:
- name: default
  user:
    client-certificate: /etc/kubernetes/certs/kubecfg.crt
    client-key: /etc/kubernetes/certs/kubecfg.key