This command is not meant to be run on its own. See list of available subcommands.

Usage:
  kubeadm alpha phase [command]

Available Commands:
  addon           Installs required addons for passing Conformance tests
  bootstrap-token Manage kubeadm-specific bootstrap token functions
  certs           Generates certificates for a Kubernetes cluster
  controlplane    Generates all static Pod manifest files necessary to establish the control plane
  etcd            Generates static Pod manifest file for etcd.
  kubeconfig      Generates all kubeconfig files necessary to establish the control plane and the admin kubeconfig file
  mark-master     Mark a node as master
  preflight       Run pre-flight checks
  selfhosting     Makes a kubeadm cluster self-hosted
  upload-config   Uploads the currently used configuration for kubeadm to a ConfigMap

Flags:
  -h, --help   help for phase

Use "kubeadm alpha phase [command] --help" for more information about a command.

use this command to invoke single phase of the init workflow

Usage:
  kubeadm init phase [command]

Available Commands:
  addon              Installs required addons for passing Conformance tests
  bootstrap-token    Generates bootstrap tokens used to join a node to a cluster
  certs              Certificate generation
  control-plane      Generates all static Pod manifest files necessary to establish the control plane
  etcd               Generates static Pod manifest file for local etcd.
  kubeconfig         Generates all kubeconfig files necessary to establish the control plane and the admin kubeconfig file
  kubelet-start      Writes kubelet settings and (re)starts the kubelet
  mark-control-plane Mark a node as a control-plane
  preflight          Run pre-flight checks
  upload-certs       Upload certificates to kubeadm-certs
  upload-config      Uploads the kubeadm and kubelet configuration to a ConfigMap

Flags:
  -h, --help   help for phase

Global Flags:
      --log-file string   If non-empty, use this log file
      --rootfs string     [EXPERIMENTAL] The path to the 'real' host root filesystem.
      --skip-headers      If true, avoid header prefixes in the log messages
  -v, --v Level           number for the log level verbosity

Use "kubeadm init phase [command] --help" for more information about a command.

kubeadm alpha phase kubeconfig all --config masterconfiguration.yaml
kubeadm alpha phase certs all  --config masterconfiguration.yaml 

kubeadm init phase kubeconfig all --config masterconfiguration.yaml
kubeadm init phase certs all  --config masterconfiguration.yaml