Get a rootcontainer on a kubernetes node. Useful for debugging, when you don't have access to or can't install stuff on the actual node. `kubectl apply -f root-container.yaml` and `kubectl exec -it debug-pod /bin/bash` to execute.

root-container.yaml

apiVersion: v1
kind: Pod
metadata:
  name: debug-pod
spec:
  hostNetwork: true
  nodeSelector:
    kubernetes.io/hostname: kubenode.example.com
  containers:
    - name: myshell
      image: "ubuntu:16.04"
      command:
        - /bin/sleep
        - "30000"
      securityContext:
        privileged: true
        capabilities:
          add:
            - NET_ADMIN
            - SYS_ADMIN
      volumeMounts:
       - mountPath: /host-root
         name: test-volume
  volumes:
    - name: test-volume
      hostPath:
        # directory location on host
        path: /
        # this field is optional
        type: Directory