sudo kubeadm config print init-defaults

frank@kubemaster:~/.kube$ sudo kubeadm config print init-defaults
apiVersion: kubeadm.k8s.io/v1beta2
bootstrapTokens:

• groups:
• system:bootstrappers:kubeadm:default-node-token
  token: abcdef.0123456789abcdef
  ttl: 24h0m0s
  usages:
• signing
• authentication
  kind: InitConfiguration
  localAPIEndpoint:
  advertiseAddress: 1.2.3.4
  bindPort: 6443
  nodeRegistration:
  criSocket: /var/run/dockershim.sock
  name: node

taints: null

apiServer:
timeoutForControlPlane: 4m0s
apiVersion: kubeadm.k8s.io/v1beta2
certificatesDir: /etc/kubernetes/pki
clusterName: kubernetes
controllerManager: {}
dns:
type: CoreDNS
etcd:
local:
dataDir: /var/lib/etcd
imageRepository: k8s.gcr.io
kind: ClusterConfiguration
kubernetesVersion: 1.21.0
networking:
dnsDomain: cluster.local
serviceSubnet: 10.96.0.0/12
scheduler: {}