kubeadm.yaml

apiVersion: kubeadm.k8s.io/v1beta3
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:
#   #Edit
#   #Docker     /var/run/dockershim.sock
#   #containerd        /run/containerd/containerd.sock
#   #CRI-O     /var/run/crio/crio.sock
    criSocket: /var/run/cri-dockerd.sock
#   imagePullPolicy: IfNotPresent
#   #Edit, add the server name that plays the master role
#   name: kube-master
#   taints: null
---
apiServer:
  timeoutForControlPlane: 4m0s
apiVersion: kubeadm.k8s.io/v1beta3
certificatesDir: /etc/kubernetes/pki
clusterName: kubernetes
controllerManager: {}
dns: {}
etcd:
  local:
    dataDir: /var/lib/etcd
imageRepository: k8s.gcr.io
kind: ClusterConfiguration
kubernetesVersion: 1.22.0
networking:
  dnsDomain: cluster.local
  serviceSubnet: 10.96.0.0/12
scheduler: {}

#Add the following section
...
---
apiVersion: kubeproxy.config.k8s.io/v1alpha1
kind: KubeProxyConfiguration
mode: ipvs