diff --git a/cmd/kubeadm/app/cmd/BUILD b/cmd/kubeadm/app/cmd/BUILD
index 95c9ed7757..ae9b863cfd 100644
--- a/cmd/kubeadm/app/cmd/BUILD
+++ b/cmd/kubeadm/app/cmd/BUILD
@@ -25,6 +25,7 @@ go_library(
         "//cmd/kubeadm/app/apis/kubeadm/v1alpha3:go_default_library",
         "//cmd/kubeadm/app/apis/kubeadm/v1beta1:go_default_library",
         "//cmd/kubeadm/app/apis/kubeadm/validation:go_default_library",
+        "//cmd/kubeadm/app/cmd/alpha:go_default_library",
         "//cmd/kubeadm/app/cmd/options:go_default_library",
         "//cmd/kubeadm/app/cmd/phases:go_default_library",
         "//cmd/kubeadm/app/cmd/phases/workflow:go_default_library",
@@ -131,6 +132,7 @@ filegroup(
     name = "all-srcs",
     srcs = [
         ":package-srcs",
+        "//cmd/kubeadm/app/cmd/alpha:all-srcs",
         "//cmd/kubeadm/app/cmd/options:all-srcs",
         "//cmd/kubeadm/app/cmd/phases:all-srcs",
         "//cmd/kubeadm/app/cmd/upgrade:all-srcs",
diff --git a/cmd/kubeadm/app/cmd/phases/certs/BUILD b/cmd/kubeadm/app/cmd/alpha/BUILD
similarity index 63%
rename from cmd/kubeadm/app/cmd/phases/certs/BUILD
rename to cmd/kubeadm/app/cmd/alpha/BUILD
index 3f1ba58371..2aad820f93 100644
--- a/cmd/kubeadm/app/cmd/phases/certs/BUILD
+++ b/cmd/kubeadm/app/cmd/alpha/BUILD
@@ -2,36 +2,36 @@ load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
 
 go_library(
     name = "go_default_library",
-    srcs = ["renew.go"],
-    importpath = "k8s.io/kubernetes/cmd/kubeadm/app/cmd/phases/certs",
+    srcs = [
+        "alpha.go",
+        "certs.go",
+        "kubeconfig.go",
+        "kubelet.go",
+        "preflight.go",
+    ],
+    importpath = "k8s.io/kubernetes/cmd/kubeadm/app/cmd/alpha",
     visibility = ["//visibility:public"],
     deps = [
         "//cmd/kubeadm/app/apis/kubeadm/scheme:go_default_library",
         "//cmd/kubeadm/app/apis/kubeadm/v1beta1:go_default_library",
+        "//cmd/kubeadm/app/apis/kubeadm/validation:go_default_library",
         "//cmd/kubeadm/app/cmd/options:go_default_library",
+        "//cmd/kubeadm/app/cmd/phases:go_default_library",
         "//cmd/kubeadm/app/cmd/util:go_default_library",
         "//cmd/kubeadm/app/constants:go_default_library",
         "//cmd/kubeadm/app/phases/certs:go_default_library",
         "//cmd/kubeadm/app/phases/certs/renewal:go_default_library",
+        "//cmd/kubeadm/app/phases/kubeconfig:go_default_library",
+        "//cmd/kubeadm/app/phases/kubelet:go_default_library",
+        "//cmd/kubeadm/app/preflight:go_default_library",
         "//cmd/kubeadm/app/util:go_default_library",
         "//cmd/kubeadm/app/util/config:go_default_library",
         "//cmd/kubeadm/app/util/kubeconfig:go_default_library",
         "//pkg/util/normalizer:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/util/version:go_default_library",
+        "//vendor/github.com/pkg/errors:go_default_library",
         "//vendor/github.com/spf13/cobra:go_default_library",
-    ],
-)
-
-go_test(
-    name = "go_default_test",
-    srcs = ["renewal_test.go"],
-    embed = [":go_default_library"],
-    deps = [
-        "//cmd/kubeadm/app/constants:go_default_library",
-        "//cmd/kubeadm/app/phases/certs/pkiutil:go_default_library",
-        "//cmd/kubeadm/test:go_default_library",
-        "//cmd/kubeadm/test/certs:go_default_library",
-        "//cmd/kubeadm/test/cmd:go_default_library",
-        "//vendor/github.com/spf13/cobra:go_default_library",
+        "//vendor/k8s.io/utils/exec:go_default_library",
     ],
 )
 
@@ -48,3 +48,22 @@ filegroup(
     tags = ["automanaged"],
     visibility = ["//visibility:public"],
 )
+
+go_test(
+    name = "go_default_test",
+    srcs = [
+        "certs_test.go",
+        "kubeconfig_test.go",
+    ],
+    embed = [":go_default_library"],
+    deps = [
+        "//cmd/kubeadm/app/constants:go_default_library",
+        "//cmd/kubeadm/app/phases/certs/pkiutil:go_default_library",
+        "//cmd/kubeadm/test:go_default_library",
+        "//cmd/kubeadm/test/certs:go_default_library",
+        "//cmd/kubeadm/test/cmd:go_default_library",
+        "//cmd/kubeadm/test/kubeconfig:go_default_library",
+        "//staging/src/k8s.io/client-go/tools/clientcmd:go_default_library",
+        "//vendor/github.com/spf13/cobra:go_default_library",
+    ],
+)
diff --git a/cmd/kubeadm/app/cmd/alpha/alpha.go b/cmd/kubeadm/app/cmd/alpha/alpha.go
new file mode 100644
index 0000000000..06cf9b4279
--- /dev/null
+++ b/cmd/kubeadm/app/cmd/alpha/alpha.go
@@ -0,0 +1,62 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package alpha
+
+import (
+	"io"
+
+	"github.com/spf13/cobra"
+	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/phases"
+	cmdutil "k8s.io/kubernetes/cmd/kubeadm/app/cmd/util"
+)
+
+// NewCmdAlpha returns "kubeadm alpha" command.
+func NewCmdAlpha(out io.Writer) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "alpha",
+		Short: "Kubeadm experimental sub-commands",
+	}
+
+	cmd.AddCommand(newCmdCertsUtility())
+	cmd.AddCommand(newCmdKubeletUtility())
+	cmd.AddCommand(newCmdKubeConfigUtility(out))
+	cmd.AddCommand(newCmdPreFlightUtility())
+
+	// TODO: This command should be removed as soon as the kubeadm init phase refactoring is completed.
+	//		 current phases implemented as cobra.Commands should become workflow.Phases, while other utilities
+	// 		 hosted under kubeadm alpha phases command should found a new home under kubeadm alpha (without phases)
+	cmd.AddCommand(newCmdPhase(out))
+
+	return cmd
+}
+
+func newCmdPhase(out io.Writer) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "phase",
+		Short: "Invoke subsets of kubeadm functions separately for a manual install",
+		Long:  cmdutil.MacroCommandLongDescription,
+	}
+
+	cmd.AddCommand(phases.NewCmdAddon())
+	cmd.AddCommand(phases.NewCmdBootstrapToken())
+	cmd.AddCommand(phases.NewCmdEtcd())
+	cmd.AddCommand(phases.NewCmdMarkMaster())
+	cmd.AddCommand(phases.NewCmdSelfhosting())
+	cmd.AddCommand(phases.NewCmdUploadConfig())
+
+	return cmd
+}
diff --git a/cmd/kubeadm/app/cmd/phases/certs/renew.go b/cmd/kubeadm/app/cmd/alpha/certs.go
similarity index 92%
rename from cmd/kubeadm/app/cmd/phases/certs/renew.go
rename to cmd/kubeadm/app/cmd/alpha/certs.go
index 16c43781c3..e4ac840ba1 100644
--- a/cmd/kubeadm/app/cmd/phases/certs/renew.go
+++ b/cmd/kubeadm/app/cmd/alpha/certs.go
@@ -14,13 +14,12 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package renew
+package alpha
 
 import (
 	"fmt"
 
 	"github.com/spf13/cobra"
-
 	kubeadmscheme "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/scheme"
 	kubeadmapiv1beta1 "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta1"
 	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/options"
@@ -46,8 +45,20 @@ var (
 `)
 )
 
-// NewCmdCertsRenewal creates a new `cert renew` command.
-func NewCmdCertsRenewal() *cobra.Command {
+// newCmdCertsUtility returns main command for certs phase
+func newCmdCertsUtility() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:     "certs",
+		Aliases: []string{"certificates"},
+		Short:   "Commands related to handling kubernetes certificates",
+	}
+
+	cmd.AddCommand(newCmdCertsRenewal())
+	return cmd
+}
+
+// newCmdCertsRenewal creates a new `cert renew` command.
+func newCmdCertsRenewal() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "renew",
 		Short: "Renews certificates for a Kubernetes cluster",
diff --git a/cmd/kubeadm/app/cmd/phases/certs/renewal_test.go b/cmd/kubeadm/app/cmd/alpha/certs_test.go
similarity index 99%
rename from cmd/kubeadm/app/cmd/phases/certs/renewal_test.go
rename to cmd/kubeadm/app/cmd/alpha/certs_test.go
index 81bc781b34..abddf64da7 100644
--- a/cmd/kubeadm/app/cmd/phases/certs/renewal_test.go
+++ b/cmd/kubeadm/app/cmd/alpha/certs_test.go
@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package renew
+package alpha
 
 import (
 	"crypto/rand"
@@ -29,7 +29,6 @@ import (
 	"time"
 
 	"github.com/spf13/cobra"
-
 	kubeadmconstants "k8s.io/kubernetes/cmd/kubeadm/app/constants"
 	"k8s.io/kubernetes/cmd/kubeadm/app/phases/certs/pkiutil"
 	testutil "k8s.io/kubernetes/cmd/kubeadm/test"
@@ -58,7 +57,7 @@ func TestCommandsGenerated(t *testing.T) {
 		"renew etcd-healthcheck-client",
 	}
 
-	renewCmd := NewCmdCertsRenewal()
+	renewCmd := newCmdCertsRenewal()
 
 	fakeRoot := &cobra.Command{}
 	fakeRoot.AddCommand(renewCmd)
diff --git a/cmd/kubeadm/app/cmd/alpha/kubeconfig.go b/cmd/kubeadm/app/cmd/alpha/kubeconfig.go
new file mode 100644
index 0000000000..6b1178ee62
--- /dev/null
+++ b/cmd/kubeadm/app/cmd/alpha/kubeconfig.go
@@ -0,0 +1,106 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package alpha
+
+import (
+	"io"
+
+	"github.com/pkg/errors"
+	"github.com/spf13/cobra"
+	kubeadmscheme "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/scheme"
+	kubeadmapiv1beta1 "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta1"
+	cmdutil "k8s.io/kubernetes/cmd/kubeadm/app/cmd/util"
+	kubeconfigphase "k8s.io/kubernetes/cmd/kubeadm/app/phases/kubeconfig"
+	kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
+	configutil "k8s.io/kubernetes/cmd/kubeadm/app/util/config"
+	"k8s.io/kubernetes/pkg/util/normalizer"
+)
+
+var (
+	kubeconfigLongDesc = normalizer.LongDesc(`
+	Kubeconfig file utilities.
+	` + cmdutil.AlphaDisclaimer)
+
+	userKubeconfigLongDesc = normalizer.LongDesc(`
+	Outputs a kubeconfig file for an additional user.
+	` + cmdutil.AlphaDisclaimer)
+
+	userKubeconfigExample = normalizer.Examples(`
+	# Outputs a kubeconfig file for an additional user named foo
+	kubeadm alpha kubeconfig user --client-name=foo
+	`)
+)
+
+// newCmdKubeConfigUtility returns main command for kubeconfig phase
+func newCmdKubeConfigUtility(out io.Writer) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "kubeconfig",
+		Short: "Kubeconfig file utilities",
+		Long:  kubeconfigLongDesc,
+	}
+
+	cmd.AddCommand(newCmdUserKubeConfig(out))
+	return cmd
+}
+
+// newCmdUserKubeConfig returns sub commands for kubeconfig phase
+func newCmdUserKubeConfig(out io.Writer) *cobra.Command {
+
+	cfg := &kubeadmapiv1beta1.InitConfiguration{}
+
+	// Default values for the cobra help text
+	kubeadmscheme.Scheme.Default(cfg)
+
+	var token, clientName string
+	var organizations []string
+
+	// Creates the UX Command
+	cmd := &cobra.Command{
+		Use:     "user",
+		Short:   "Outputs a kubeconfig file for an additional user",
+		Long:    userKubeconfigLongDesc,
+		Example: userKubeconfigExample,
+		Run: func(cmd *cobra.Command, args []string) {
+			if clientName == "" {
+				kubeadmutil.CheckErr(errors.New("missing required argument --client-name"))
+			}
+
+			// This call returns the ready-to-use configuration based on the configuration file that might or might not exist and the default cfg populated by flags
+			internalcfg, err := configutil.ConfigFileAndDefaultsToInternalConfig("", cfg)
+			kubeadmutil.CheckErr(err)
+
+			// if the kubeconfig file for an additional user has to use a token, use it
+			if token != "" {
+				kubeadmutil.CheckErr(kubeconfigphase.WriteKubeConfigWithToken(out, internalcfg, clientName, token))
+				return
+			}
+
+			// Otherwise, write a kubeconfig file with a generate client cert
+			kubeadmutil.CheckErr(kubeconfigphase.WriteKubeConfigWithClientCert(out, internalcfg, clientName, organizations))
+		},
+	}
+
+	// Add flags to the command
+	cmd.Flags().StringVar(&cfg.CertificatesDir, "cert-dir", cfg.CertificatesDir, "The path where certificates are stored")
+	cmd.Flags().StringVar(&cfg.APIEndpoint.AdvertiseAddress, "apiserver-advertise-address", cfg.APIEndpoint.AdvertiseAddress, "The IP address the API server is accessible on")
+	cmd.Flags().Int32Var(&cfg.APIEndpoint.BindPort, "apiserver-bind-port", cfg.APIEndpoint.BindPort, "The port the API server is accessible on")
+	cmd.Flags().StringVar(&token, "token", token, "The token that should be used as the authentication mechanism for this kubeconfig, instead of client certificates")
+	cmd.Flags().StringVar(&clientName, "client-name", clientName, "The name of user. It will be used as the CN if client certificates are created")
+	cmd.Flags().StringSliceVar(&organizations, "org", organizations, "The orgnizations of the client certificate. It will be used as the O if client certificates are created")
+
+	return cmd
+}
diff --git a/cmd/kubeadm/app/cmd/phases/kubeconfig_test.go b/cmd/kubeadm/app/cmd/alpha/kubeconfig_test.go
similarity index 79%
rename from cmd/kubeadm/app/cmd/phases/kubeconfig_test.go
rename to cmd/kubeadm/app/cmd/alpha/kubeconfig_test.go
index 26cfd3203b..8eab2ef080 100644
--- a/cmd/kubeadm/app/cmd/phases/kubeconfig_test.go
+++ b/cmd/kubeadm/app/cmd/alpha/kubeconfig_test.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright 2018 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package phases
+package alpha
 
 import (
 	"bytes"
@@ -22,32 +22,13 @@ import (
 	"os"
 	"testing"
 
-	"github.com/spf13/cobra"
 	"k8s.io/client-go/tools/clientcmd"
 	kubeadmconstants "k8s.io/kubernetes/cmd/kubeadm/app/constants"
 	"k8s.io/kubernetes/cmd/kubeadm/app/phases/certs/pkiutil"
 	testutil "k8s.io/kubernetes/cmd/kubeadm/test"
-	cmdtestutil "k8s.io/kubernetes/cmd/kubeadm/test/cmd"
 	kubeconfigtestutil "k8s.io/kubernetes/cmd/kubeadm/test/kubeconfig"
 )
 
-func TestKubeConfigCSubCommandsHasFlags(t *testing.T) {
-	cmd := NewCmdUserKubeConfig(nil, "", phaseTestK8sVersion)
-
-	flags := []string{
-		"cert-dir",
-		"apiserver-advertise-address",
-		"apiserver-bind-port",
-		"kubeconfig-dir",
-		"token",
-		"client-name",
-	}
-
-	cmdtestutil.AssertSubCommandHasFlags(t, []*cobra.Command{cmd}, "user", flags...)
-}
-
-const phaseTestK8sVersion = "v1.11.0"
-
 func TestKubeConfigSubCommandsThatWritesToOut(t *testing.T) {
 
 	// Temporary folders for the test case
@@ -57,8 +38,6 @@ func TestKubeConfigSubCommandsThatWritesToOut(t *testing.T) {
 	// Adds a pki folder with a ca cert to the temp folder
 	pkidir := testutil.SetupPkiDirWithCertificateAuthorithy(t, tmpdir)
 
-	outputdir := tmpdir
-
 	// Retrieves ca cert for assertions
 	caCert, _, err := pkiutil.TryLoadCertAndKeyFromDisk(pkidir, kubeadmconstants.CACertAndKeyBaseName)
 	if err != nil {
@@ -70,7 +49,6 @@ func TestKubeConfigSubCommandsThatWritesToOut(t *testing.T) {
 		"--apiserver-bind-port=1234",
 		"--client-name=myUser",
 		fmt.Sprintf("--cert-dir=%s", pkidir),
-		fmt.Sprintf("--kubeconfig-dir=%s", outputdir),
 	}
 
 	var tests = []struct {
@@ -94,11 +72,14 @@ func TestKubeConfigSubCommandsThatWritesToOut(t *testing.T) {
 		buf := new(bytes.Buffer)
 
 		// Get subcommands working in the temporary directory
-		cmd := NewCmdUserKubeConfig(buf, tmpdir, phaseTestK8sVersion)
+		cmd := newCmdUserKubeConfig(buf)
 
 		// Execute the subcommand
 		allFlags := append(commonFlags, test.additionalFlags...)
-		cmdtestutil.RunSubCommand(t, []*cobra.Command{cmd}, test.command, allFlags...)
+		cmd.SetArgs(allFlags)
+		if err := cmd.Execute(); err != nil {
+			t.Fatal("Could not execute subcommand")
+		}
 
 		// reads kubeconfig written to stdout
 		config, err := clientcmd.Load(buf.Bytes())
diff --git a/cmd/kubeadm/app/cmd/alpha/kubelet.go b/cmd/kubeadm/app/cmd/alpha/kubelet.go
new file mode 100644
index 0000000000..8ab3575ad9
--- /dev/null
+++ b/cmd/kubeadm/app/cmd/alpha/kubelet.go
@@ -0,0 +1,162 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package alpha
+
+import (
+	"github.com/pkg/errors"
+	"github.com/spf13/cobra"
+	"k8s.io/apimachinery/pkg/util/version"
+	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/options"
+	cmdutil "k8s.io/kubernetes/cmd/kubeadm/app/cmd/util"
+	"k8s.io/kubernetes/cmd/kubeadm/app/constants"
+	kubeletphase "k8s.io/kubernetes/cmd/kubeadm/app/phases/kubelet"
+	"k8s.io/kubernetes/cmd/kubeadm/app/preflight"
+	kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
+	kubeconfigutil "k8s.io/kubernetes/cmd/kubeadm/app/util/kubeconfig"
+	"k8s.io/kubernetes/pkg/util/normalizer"
+	utilsexec "k8s.io/utils/exec"
+)
+
+var (
+	kubeletConfigDownloadLongDesc = normalizer.LongDesc(`
+		Downloads the kubelet configuration from a ConfigMap of the form "kubelet-config-1.X" in the cluster,
+		where X is the minor version of the kubelet. Either kubeadm autodetects the kubelet version by exec-ing
+		"kubelet --version" or respects the --kubelet-version parameter.
+		` + cmdutil.AlphaDisclaimer)
+
+	kubeletConfigDownloadExample = normalizer.Examples(`
+		# Downloads the kubelet configuration from the ConfigMap in the cluster. Autodetects the kubelet version.
+		kubeadm alpha phase kubelet config download
+
+		# Downloads the kubelet configuration from the ConfigMap in the cluster. Uses a specific desired kubelet version.
+		kubeadm alpha phase kubelet config download --kubelet-version v1.12.0
+		`)
+
+	kubeletConfigEnableDynamicLongDesc = normalizer.LongDesc(`
+		Enables or updates dynamic kubelet configuration for a Node, against the kubelet-config-1.X ConfigMap in the cluster,
+		where X is the minor version of the desired kubelet version.
+
+		WARNING: This feature is still experimental, and disabled by default. Enable only if you know what you are doing, as it
+		may have surprising side-effects at this stage.
+
+		` + cmdutil.AlphaDisclaimer)
+
+	kubeletConfigEnableDynamicExample = normalizer.Examples(`
+		# Enables dynamic kubelet configuration for a Node.
+		kubeadm alpha phase kubelet enable-dynamic-config --node-name node-1 --kubelet-version v1.12.0
+
+		WARNING: This feature is still experimental, and disabled by default. Enable only if you know what you are doing, as it
+		may have surprising side-effects at this stage.
+		`)
+)
+
+// newCmdKubeletUtility returns command for `kubeadm phase kubelet`
+func newCmdKubeletUtility() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "kubelet",
+		Short: "Commands related to handling the kubelet",
+		Long:  cmdutil.MacroCommandLongDescription,
+	}
+
+	cmd.AddCommand(newCmdKubeletConfig())
+	return cmd
+}
+
+// newCmdKubeletConfig returns command for `kubeadm phase kubelet config`
+func newCmdKubeletConfig() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "config",
+		Short: "Utilities for kubelet configuration",
+		Long:  cmdutil.MacroCommandLongDescription,
+	}
+
+	cmd.AddCommand(newCmdKubeletConfigDownload())
+	cmd.AddCommand(newCmdKubeletConfigEnableDynamic())
+	return cmd
+}
+
+// newCmdKubeletConfigDownload calls cobra.Command for downloading the kubelet configuration from the kubelet-config-1.X ConfigMap in the cluster
+func newCmdKubeletConfigDownload() *cobra.Command {
+	var kubeletVersionStr string
+	// TODO: Be smarter about this and be able to load multiple kubeconfig files in different orders of precedence
+	kubeConfigFile := constants.GetKubeletKubeConfigPath()
+
+	cmd := &cobra.Command{
+		Use:     "download",
+		Short:   "Downloads the kubelet configuration from the cluster ConfigMap kubelet-config-1.X, where X is the minor version of the kubelet.",
+		Long:    kubeletConfigDownloadLongDesc,
+		Example: kubeletConfigDownloadExample,
+		Run: func(cmd *cobra.Command, args []string) {
+			kubeletVersion, err := getKubeletVersion(kubeletVersionStr)
+			kubeadmutil.CheckErr(err)
+
+			client, err := kubeconfigutil.ClientSetFromFile(kubeConfigFile)
+			kubeadmutil.CheckErr(err)
+
+			err = kubeletphase.DownloadConfig(client, kubeletVersion, constants.KubeletRunDirectory)
+			kubeadmutil.CheckErr(err)
+		},
+	}
+
+	options.AddKubeConfigFlag(cmd.Flags(), &kubeConfigFile)
+	cmd.Flags().StringVar(&kubeletVersionStr, "kubelet-version", kubeletVersionStr, "The desired version for the kubelet. Defaults to being autodetected from 'kubelet --version'.")
+	return cmd
+}
+
+func getKubeletVersion(kubeletVersionStr string) (*version.Version, error) {
+	if len(kubeletVersionStr) > 0 {
+		return version.ParseSemantic(kubeletVersionStr)
+	}
+	return preflight.GetKubeletVersion(utilsexec.New())
+}
+
+// newCmdKubeletConfigEnableDynamic calls cobra.Command for enabling dynamic kubelet configuration on node
+// This feature is still in alpha and an experimental state
+func newCmdKubeletConfigEnableDynamic() *cobra.Command {
+	var nodeName, kubeletVersionStr string
+	kubeConfigFile := constants.GetAdminKubeConfigPath()
+
+	cmd := &cobra.Command{
+		Use:     "enable-dynamic",
+		Short:   "EXPERIMENTAL: Enables or updates dynamic kubelet configuration for a Node",
+		Long:    kubeletConfigEnableDynamicLongDesc,
+		Example: kubeletConfigEnableDynamicExample,
+		Run: func(cmd *cobra.Command, args []string) {
+			if len(nodeName) == 0 {
+				kubeadmutil.CheckErr(errors.New("The --node-name argument is required"))
+			}
+			if len(kubeletVersionStr) == 0 {
+				kubeadmutil.CheckErr(errors.New("The --kubelet-version argument is required"))
+			}
+
+			kubeletVersion, err := version.ParseSemantic(kubeletVersionStr)
+			kubeadmutil.CheckErr(err)
+
+			kubeConfigFile = cmdutil.FindExistingKubeConfig(kubeConfigFile)
+			client, err := kubeconfigutil.ClientSetFromFile(kubeConfigFile)
+			kubeadmutil.CheckErr(err)
+
+			err = kubeletphase.EnableDynamicConfigForNode(client, nodeName, kubeletVersion)
+			kubeadmutil.CheckErr(err)
+		},
+	}
+
+	options.AddKubeConfigFlag(cmd.Flags(), &kubeConfigFile)
+	cmd.Flags().StringVar(&nodeName, "node-name", nodeName, "Name of the node that should enable the dynamic kubelet configuration")
+	cmd.Flags().StringVar(&kubeletVersionStr, "kubelet-version", kubeletVersionStr, "The desired version for the kubelet")
+	return cmd
+}
diff --git a/cmd/kubeadm/app/cmd/alpha/preflight.go b/cmd/kubeadm/app/cmd/alpha/preflight.go
new file mode 100644
index 0000000000..40ff684c4b
--- /dev/null
+++ b/cmd/kubeadm/app/cmd/alpha/preflight.go
@@ -0,0 +1,100 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package alpha
+
+import (
+	"fmt"
+
+	"github.com/pkg/errors"
+	"github.com/spf13/cobra"
+	kubeadmscheme "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/scheme"
+	kubeadmapiv1beta1 "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta1"
+	"k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/validation"
+	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/options"
+	cmdutil "k8s.io/kubernetes/cmd/kubeadm/app/cmd/util"
+	"k8s.io/kubernetes/cmd/kubeadm/app/preflight"
+	kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
+	configutil "k8s.io/kubernetes/cmd/kubeadm/app/util/config"
+	"k8s.io/kubernetes/pkg/util/normalizer"
+	utilsexec "k8s.io/utils/exec"
+)
+
+var (
+	nodePreflightLongDesc = normalizer.LongDesc(`
+		Run node pre-flight checks, functionally equivalent to what implemented by kubeadm join.
+		` + cmdutil.AlphaDisclaimer)
+
+	nodePreflightExample = normalizer.Examples(`
+		# Run node pre-flight checks.
+		kubeadm alpha preflight node
+	`)
+
+	errorMissingConfigFlag = errors.New("the --config flag is mandatory")
+)
+
+// newCmdPreFlightUtility calls cobra.Command for preflight checks
+func newCmdPreFlightUtility() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "preflight",
+		Short: "Commands related to pre-flight checks",
+		Long:  cmdutil.MacroCommandLongDescription,
+	}
+
+	cmd.AddCommand(newCmdPreFlightNode())
+
+	return cmd
+}
+
+// newCmdPreFlightNode calls cobra.Command for node preflight checks
+func newCmdPreFlightNode() *cobra.Command {
+	var cfgPath string
+	var ignorePreflightErrors []string
+
+	cmd := &cobra.Command{
+		Use:     "node",
+		Short:   "Run node pre-flight checks",
+		Long:    nodePreflightLongDesc,
+		Example: nodePreflightExample,
+		Run: func(cmd *cobra.Command, args []string) {
+			if len(cfgPath) == 0 {
+				kubeadmutil.CheckErr(errorMissingConfigFlag)
+			}
+			ignorePreflightErrorsSet, err := validation.ValidateIgnorePreflightErrors(ignorePreflightErrors)
+			kubeadmutil.CheckErr(err)
+
+			cfg := &kubeadmapiv1beta1.JoinConfiguration{}
+			kubeadmscheme.Scheme.Default(cfg)
+
+			internalcfg, err := configutil.JoinConfigFileAndDefaultsToInternalConfig(cfgPath, cfg)
+			kubeadmutil.CheckErr(err)
+			err = configutil.VerifyAPIServerBindAddress(internalcfg.APIEndpoint.AdvertiseAddress)
+			kubeadmutil.CheckErr(err)
+
+			fmt.Println("[preflight] running pre-flight checks")
+
+			err = preflight.RunJoinNodeChecks(utilsexec.New(), internalcfg, ignorePreflightErrorsSet)
+			kubeadmutil.CheckErr(err)
+
+			fmt.Println("[preflight] pre-flight checks passed")
+		},
+	}
+
+	options.AddConfigFlag(cmd.PersistentFlags(), &cfgPath)
+	options.AddIgnorePreflightErrorsFlag(cmd.PersistentFlags(), &ignorePreflightErrors)
+
+	return cmd
+}
diff --git a/cmd/kubeadm/app/cmd/cmd.go b/cmd/kubeadm/app/cmd/cmd.go
index 14259211ea..74656288ee 100644
--- a/cmd/kubeadm/app/cmd/cmd.go
+++ b/cmd/kubeadm/app/cmd/cmd.go
@@ -22,8 +22,7 @@ import (
 	"github.com/renstrom/dedent"
 	"github.com/spf13/cobra"
 	"github.com/spf13/pflag"
-
-	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/phases"
+	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/alpha"
 	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/upgrade"
 	kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
 	// Register the kubeadm configuration types because CLI flag generation
@@ -90,14 +89,7 @@ func NewKubeadmCommand(in io.Reader, out, err io.Writer) *cobra.Command {
 	cmds.AddCommand(NewCmdVersion(out))
 	cmds.AddCommand(NewCmdToken(out, err))
 	cmds.AddCommand(upgrade.NewCmdUpgrade(out))
-
-	// Wrap not yet fully supported commands in an alpha subcommand
-	experimentalCmd := &cobra.Command{
-		Use:   "alpha",
-		Short: "Experimental sub-commands not yet fully functional.",
-	}
-	experimentalCmd.AddCommand(phases.NewCmdPhase(out))
-	cmds.AddCommand(experimentalCmd)
+	cmds.AddCommand(alpha.NewCmdAlpha(out))
 
 	AddKubeadmOtherFlags(cmds.PersistentFlags(), &rootfsPath)
 
diff --git a/cmd/kubeadm/app/cmd/phases/BUILD b/cmd/kubeadm/app/cmd/phases/BUILD
index 5bb49f8242..3c73b3ead1 100644
--- a/cmd/kubeadm/app/cmd/phases/BUILD
+++ b/cmd/kubeadm/app/cmd/phases/BUILD
@@ -11,7 +11,6 @@ go_library(
         "kubeconfig.go",
         "kubelet.go",
         "markmaster.go",
-        "phase.go",
         "preflight.go",
         "selfhosting.go",
         "uploadconfig.go",
@@ -25,7 +24,6 @@ go_library(
         "//cmd/kubeadm/app/apis/kubeadm/v1beta1:go_default_library",
         "//cmd/kubeadm/app/apis/kubeadm/validation:go_default_library",
         "//cmd/kubeadm/app/cmd/options:go_default_library",
-        "//cmd/kubeadm/app/cmd/phases/certs:go_default_library",
         "//cmd/kubeadm/app/cmd/phases/workflow:go_default_library",
         "//cmd/kubeadm/app/cmd/util:go_default_library",
         "//cmd/kubeadm/app/constants:go_default_library",
@@ -53,7 +51,6 @@ go_library(
         "//pkg/version:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/util/sets:go_default_library",
-        "//staging/src/k8s.io/apimachinery/pkg/util/version:go_default_library",
         "//staging/src/k8s.io/client-go/kubernetes:go_default_library",
         "//staging/src/k8s.io/cluster-bootstrap/token/api:go_default_library",
         "//vendor/github.com/golang/glog:go_default_library",
@@ -69,21 +66,14 @@ go_test(
     srcs = [
         "addons_test.go",
         "etcd_test.go",
-        "kubeconfig_test.go",
-        "kubelet_test.go",
         "util_test.go",
     ],
     embed = [":go_default_library"],
     deps = [
         "//cmd/kubeadm/app/apis/kubeadm/v1beta1:go_default_library",
-        "//cmd/kubeadm/app/constants:go_default_library",
-        "//cmd/kubeadm/app/phases/certs/pkiutil:go_default_library",
         "//cmd/kubeadm/test:go_default_library",
         "//cmd/kubeadm/test/cmd:go_default_library",
-        "//cmd/kubeadm/test/kubeconfig:go_default_library",
         "//pkg/version:go_default_library",
-        "//staging/src/k8s.io/client-go/tools/clientcmd:go_default_library",
-        "//vendor/github.com/spf13/cobra:go_default_library",
     ],
 )
 
@@ -98,7 +88,6 @@ filegroup(
     name = "all-srcs",
     srcs = [
         ":package-srcs",
-        "//cmd/kubeadm/app/cmd/phases/certs:all-srcs",
         "//cmd/kubeadm/app/cmd/phases/workflow:all-srcs",
     ],
     tags = ["automanaged"],
diff --git a/cmd/kubeadm/app/cmd/phases/certs.go b/cmd/kubeadm/app/cmd/phases/certs.go
index 2f6a862467..20582e1113 100644
--- a/cmd/kubeadm/app/cmd/phases/certs.go
+++ b/cmd/kubeadm/app/cmd/phases/certs.go
@@ -21,11 +21,9 @@ import (
 	"strings"
 
 	"github.com/pkg/errors"
-	"github.com/spf13/cobra"
 	kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
 	kubeadmscheme "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/scheme"
 	kubeadmapiv1beta1 "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta1"
-	certscmdphase "k8s.io/kubernetes/cmd/kubeadm/app/cmd/phases/certs"
 	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/phases/workflow"
 	cmdutil "k8s.io/kubernetes/cmd/kubeadm/app/cmd/util"
 	kubeadmconstants "k8s.io/kubernetes/cmd/kubeadm/app/constants"
@@ -68,24 +66,6 @@ func NewCertsPhase() workflow.Phase {
 	}
 }
 
-// NewCmdCerts returns main command for certs phase
-func NewCmdCerts() *cobra.Command {
-	cmd := &cobra.Command{
-		Use:     "certs",
-		Aliases: []string{"certificates"},
-		Short:   "Generates certificates for a Kubernetes cluster",
-		Long:    cmdutil.MacroCommandLongDescription,
-	}
-
-	cmd.AddCommand(getCertsSubCommands()...)
-	return cmd
-}
-
-// getCertsSubCommands returns sub commands for certs phase
-func getCertsSubCommands() []*cobra.Command {
-	return []*cobra.Command{certscmdphase.NewCmdCertsRenewal()}
-}
-
 // newCertSubPhases returns sub phases for certs phase
 func newCertSubPhases() []workflow.Phase {
 	subPhases := []workflow.Phase{}
diff --git a/cmd/kubeadm/app/cmd/phases/etcd_test.go b/cmd/kubeadm/app/cmd/phases/etcd_test.go
index cc12e3c822..640d9ed67b 100644
--- a/cmd/kubeadm/app/cmd/phases/etcd_test.go
+++ b/cmd/kubeadm/app/cmd/phases/etcd_test.go
@@ -25,6 +25,8 @@ import (
 	cmdtestutil "k8s.io/kubernetes/cmd/kubeadm/test/cmd"
 )
 
+const phaseTestK8sVersion = "v1.11.0"
+
 func TestEtcdSubCommandsHasFlags(t *testing.T) {
 
 	subCmds := getEtcdSubCommands("", phaseTestK8sVersion)
diff --git a/cmd/kubeadm/app/cmd/phases/kubeconfig.go b/cmd/kubeadm/app/cmd/phases/kubeconfig.go
index aa23e9890d..a905d3967f 100644
--- a/cmd/kubeadm/app/cmd/phases/kubeconfig.go
+++ b/cmd/kubeadm/app/cmd/phases/kubeconfig.go
@@ -18,34 +18,16 @@ package phases
 
 import (
 	"fmt"
-	"io"
 
 	"github.com/pkg/errors"
-	"github.com/spf13/cobra"
 	kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
-	kubeadmscheme "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/scheme"
-	kubeadmapiv1beta1 "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta1"
 	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/phases/workflow"
-	cmdutil "k8s.io/kubernetes/cmd/kubeadm/app/cmd/util"
 	kubeadmconstants "k8s.io/kubernetes/cmd/kubeadm/app/constants"
 	kubeconfigphase "k8s.io/kubernetes/cmd/kubeadm/app/phases/kubeconfig"
 	"k8s.io/kubernetes/pkg/util/normalizer"
 )
 
 var (
-	kubeconfigLongDesc = normalizer.LongDesc(`
-	kubeconfig file utilities.
-	` + cmdutil.AlphaDisclaimer)
-
-	userKubeconfigLongDesc = normalizer.LongDesc(`
-	Outputs a kubeconfig file for an additional user.
-	` + cmdutil.AlphaDisclaimer)
-
-	userKubeconfigExample = normalizer.Examples(`
-	# Outputs a kubeconfig file for an additional user named foo
-	kubeadm alpha kubeconfig user --client-name=foo
-	`)
-
 	kubeconfigFilePhaseProperties = map[string]struct {
 		name  string
 		short string
@@ -148,59 +130,3 @@ func runKubeConfigFile(kubeConfigFileName string) func(workflow.RunData) error {
 		return kubeconfigphase.CreateKubeConfigFile(kubeConfigFileName, data.KubeConfigDir(), data.Cfg())
 	}
 }
-
-// NewCmdKubeConfig returns main command for kubeconfig phase
-func NewCmdKubeConfig(out io.Writer) *cobra.Command {
-	cmd := &cobra.Command{
-		Use:   "kubeconfig",
-		Short: "kubeconfig file utilities",
-		Long:  kubeconfigLongDesc,
-	}
-
-	cmd.AddCommand(NewCmdUserKubeConfig(out, kubeadmconstants.KubernetesDir, ""))
-	return cmd
-}
-
-// NewCmdUserKubeConfig returns sub commands for kubeconfig phase
-func NewCmdUserKubeConfig(out io.Writer, outDir, defaultKubernetesVersion string) *cobra.Command {
-
-	cfg := &kubeadmapiv1beta1.InitConfiguration{}
-
-	// Default values for the cobra help text
-	kubeadmscheme.Scheme.Default(cfg)
-
-	var cfgPath, token, clientName string
-	var organizations []string
-
-	// Creates the UX Command
-	cmd := &cobra.Command{
-		Use:     "user",
-		Short:   "Outputs a kubeconfig file for an additional user",
-		Long:    userKubeconfigLongDesc,
-		Example: userKubeconfigExample,
-		Run: runCmdPhase(func(outDir string, cfg *kubeadmapi.InitConfiguration) error {
-			if clientName == "" {
-				return errors.New("missing required argument --client-name")
-			}
-
-			// if the kubeconfig file for an additional user has to use a token, use it
-			if token != "" {
-				return kubeconfigphase.WriteKubeConfigWithToken(out, cfg, clientName, token)
-			}
-
-			// Otherwise, write a kubeconfig file with a generate client cert
-			return kubeconfigphase.WriteKubeConfigWithClientCert(out, cfg, clientName, organizations)
-		}, &outDir, &cfgPath, cfg, defaultKubernetesVersion),
-	}
-
-	// Add flags to the command
-	cmd.Flags().StringVar(&cfg.CertificatesDir, "cert-dir", cfg.CertificatesDir, "The path where certificates are stored")
-	cmd.Flags().StringVar(&cfg.APIEndpoint.AdvertiseAddress, "apiserver-advertise-address", cfg.APIEndpoint.AdvertiseAddress, "The IP address the API server is accessible on")
-	cmd.Flags().Int32Var(&cfg.APIEndpoint.BindPort, "apiserver-bind-port", cfg.APIEndpoint.BindPort, "The port the API server is accessible on")
-	cmd.Flags().StringVar(&outDir, "kubeconfig-dir", outDir, "The path where to save the kubeconfig file")
-	cmd.Flags().StringVar(&token, "token", token, "The token that should be used as the authentication mechanism for this kubeconfig, instead of client certificates")
-	cmd.Flags().StringVar(&clientName, "client-name", clientName, "The name of user. It will be used as the CN if client certificates are created")
-	cmd.Flags().StringSliceVar(&organizations, "org", organizations, "The orgnizations of the client certificate. It will be used as the O if client certificates are created")
-
-	return cmd
-}
diff --git a/cmd/kubeadm/app/cmd/phases/kubelet.go b/cmd/kubeadm/app/cmd/phases/kubelet.go
index 1ada6d7b1c..18b8486b91 100644
--- a/cmd/kubeadm/app/cmd/phases/kubelet.go
+++ b/cmd/kubeadm/app/cmd/phases/kubelet.go
@@ -20,7 +20,6 @@ import (
 	"github.com/golang/glog"
 	"github.com/pkg/errors"
 	"github.com/spf13/cobra"
-	"k8s.io/apimachinery/pkg/util/version"
 	kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
 	kubeadmapiv1beta1 "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta1"
 	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/options"
@@ -29,12 +28,10 @@ import (
 	"k8s.io/kubernetes/cmd/kubeadm/app/constants"
 	kubeletphase "k8s.io/kubernetes/cmd/kubeadm/app/phases/kubelet"
 	patchnodephase "k8s.io/kubernetes/cmd/kubeadm/app/phases/patchnode"
-	"k8s.io/kubernetes/cmd/kubeadm/app/preflight"
 	kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
 	configutil "k8s.io/kubernetes/cmd/kubeadm/app/util/config"
 	kubeconfigutil "k8s.io/kubernetes/cmd/kubeadm/app/util/kubeconfig"
 	"k8s.io/kubernetes/pkg/util/normalizer"
-	utilsexec "k8s.io/utils/exec"
 )
 
 var (
@@ -60,37 +57,6 @@ var (
 	kubeletConfigAnnotateCRIExample = normalizer.Examples(`
 		kubeadm alpha phase kubelet config annotate-cri --config kubeadm.yaml
 		`)
-
-	kubeletConfigDownloadLongDesc = normalizer.LongDesc(`
-		Downloads the kubelet configuration from a ConfigMap of the form "kubelet-config-1.X" in the cluster,
-		where X is the minor version of the kubelet. Either kubeadm autodetects the kubelet version by exec-ing
-		"kubelet --version" or respects the --kubelet-version parameter.
-		` + cmdutil.AlphaDisclaimer)
-
-	kubeletConfigDownloadExample = normalizer.Examples(`
-		# Downloads the kubelet configuration from the ConfigMap in the cluster. Autodetects the kubelet version.
-		kubeadm alpha phase kubelet config download
-
-		# Downloads the kubelet configuration from the ConfigMap in the cluster. Uses a specific desired kubelet version.
-		kubeadm alpha phase kubelet config download --kubelet-version v1.12.0
-		`)
-
-	kubeletConfigEnableDynamicLongDesc = normalizer.LongDesc(`
-		Enables or updates dynamic kubelet configuration for a Node, against the kubelet-config-1.X ConfigMap in the cluster,
-		where X is the minor version of the desired kubelet version.
-
-		WARNING: This feature is still experimental, and disabled by default. Enable only if you know what you are doing, as it
-		may have surprising side-effects at this stage.
-
-		` + cmdutil.AlphaDisclaimer)
-
-	kubeletConfigEnableDynamicExample = normalizer.Examples(`
-		# Enables dynamic kubelet configuration for a Node.
-		kubeadm alpha phase kubelet enable-dynamic-config --node-name node-1 --kubelet-version v1.12.0
-
-		WARNING: This feature is still experimental, and disabled by default. Enable only if you know what you are doing, as it
-		may have surprising side-effects at this stage.
-		`)
 )
 
 // kubeletStartData defines the behavior that a runtime data struct passed to the kubelet start phase
@@ -170,8 +136,6 @@ func NewCmdKubeletConfig() *cobra.Command {
 
 	cmd.AddCommand(NewCmdKubeletConfigUpload())
 	cmd.AddCommand(NewCmdKubeletAnnotateCRI())
-	cmd.AddCommand(NewCmdKubeletConfigDownload())
-	cmd.AddCommand(NewCmdKubeletConfigEnableDynamic())
 	return cmd
 }
 
@@ -250,75 +214,3 @@ func NewCmdKubeletAnnotateCRI() *cobra.Command {
 	options.AddConfigFlag(cmd.Flags(), &cfgPath)
 	return cmd
 }
-
-// NewCmdKubeletConfigDownload calls cobra.Command for downloading the kubelet configuration from the kubelet-config-1.X ConfigMap in the cluster
-func NewCmdKubeletConfigDownload() *cobra.Command {
-	var kubeletVersionStr string
-	// TODO: Be smarter about this and be able to load multiple kubeconfig files in different orders of precedence
-	kubeConfigFile := constants.GetKubeletKubeConfigPath()
-
-	cmd := &cobra.Command{
-		Use:     "download",
-		Short:   "Downloads the kubelet configuration from the cluster ConfigMap kubelet-config-1.X, where X is the minor version of the kubelet.",
-		Long:    kubeletConfigDownloadLongDesc,
-		Example: kubeletConfigDownloadExample,
-		Run: func(cmd *cobra.Command, args []string) {
-			kubeletVersion, err := getKubeletVersion(kubeletVersionStr)
-			kubeadmutil.CheckErr(err)
-
-			client, err := kubeconfigutil.ClientSetFromFile(kubeConfigFile)
-			kubeadmutil.CheckErr(err)
-
-			err = kubeletphase.DownloadConfig(client, kubeletVersion, constants.KubeletRunDirectory)
-			kubeadmutil.CheckErr(err)
-		},
-	}
-
-	options.AddKubeConfigFlag(cmd.Flags(), &kubeConfigFile)
-	cmd.Flags().StringVar(&kubeletVersionStr, "kubelet-version", kubeletVersionStr, "The desired version for the kubelet. Defaults to being autodetected from 'kubelet --version'.")
-	return cmd
-}
-
-func getKubeletVersion(kubeletVersionStr string) (*version.Version, error) {
-	if len(kubeletVersionStr) > 0 {
-		return version.ParseSemantic(kubeletVersionStr)
-	}
-	return preflight.GetKubeletVersion(utilsexec.New())
-}
-
-// NewCmdKubeletConfigEnableDynamic calls cobra.Command for enabling dynamic kubelet configuration on node
-// This feature is still in alpha and an experimental state
-func NewCmdKubeletConfigEnableDynamic() *cobra.Command {
-	var nodeName, kubeletVersionStr string
-	kubeConfigFile := constants.GetAdminKubeConfigPath()
-
-	cmd := &cobra.Command{
-		Use:     "enable-dynamic",
-		Short:   "EXPERIMENTAL: Enables or updates dynamic kubelet configuration for a Node",
-		Long:    kubeletConfigEnableDynamicLongDesc,
-		Example: kubeletConfigEnableDynamicExample,
-		Run: func(cmd *cobra.Command, args []string) {
-			if len(nodeName) == 0 {
-				kubeadmutil.CheckErr(errors.New("The --node-name argument is required"))
-			}
-			if len(kubeletVersionStr) == 0 {
-				kubeadmutil.CheckErr(errors.New("The --kubelet-version argument is required"))
-			}
-
-			kubeletVersion, err := version.ParseSemantic(kubeletVersionStr)
-			kubeadmutil.CheckErr(err)
-
-			kubeConfigFile = cmdutil.FindExistingKubeConfig(kubeConfigFile)
-			client, err := kubeconfigutil.ClientSetFromFile(kubeConfigFile)
-			kubeadmutil.CheckErr(err)
-
-			err = kubeletphase.EnableDynamicConfigForNode(client, nodeName, kubeletVersion)
-			kubeadmutil.CheckErr(err)
-		},
-	}
-
-	options.AddKubeConfigFlag(cmd.Flags(), &kubeConfigFile)
-	cmd.Flags().StringVar(&nodeName, "node-name", nodeName, "Name of the node that should enable the dynamic kubelet configuration")
-	cmd.Flags().StringVar(&kubeletVersionStr, "kubelet-version", kubeletVersionStr, "The desired version for the kubelet")
-	return cmd
-}
diff --git a/cmd/kubeadm/app/cmd/phases/kubelet_test.go b/cmd/kubeadm/app/cmd/phases/kubelet_test.go
deleted file mode 100644
index d3b51c5fdf..0000000000
--- a/cmd/kubeadm/app/cmd/phases/kubelet_test.go
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
-Copyright 2018 The Kubernetes Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package phases
-
-import (
-	"testing"
-
-	"github.com/spf13/cobra"
-	cmdtestutil "k8s.io/kubernetes/cmd/kubeadm/test/cmd"
-)
-
-func TestKubeletSubCommandsHasFlags(t *testing.T) {
-	subCmds := []*cobra.Command{
-		NewCmdKubeletConfigUpload(),
-		NewCmdKubeletConfigDownload(),
-		NewCmdKubeletConfigEnableDynamic(),
-	}
-
-	commonFlags := []string{}
-
-	var tests = []struct {
-		command         string
-		additionalFlags []string
-	}{
-		{
-			command: "upload",
-			additionalFlags: []string{
-				"kubeconfig",
-				"config",
-			},
-		},
-		{
-			command: "download",
-			additionalFlags: []string{
-				"kubeconfig",
-				"kubelet-version",
-			},
-		},
-		{
-			command: "enable-dynamic",
-			additionalFlags: []string{
-				"kubeconfig",
-				"node-name",
-				"kubelet-version",
-			},
-		},
-	}
-
-	for _, test := range tests {
-		expectedFlags := append(commonFlags, test.additionalFlags...)
-		cmdtestutil.AssertSubCommandHasFlags(t, subCmds, test.command, expectedFlags...)
-	}
-}
diff --git a/cmd/kubeadm/app/cmd/phases/phase.go b/cmd/kubeadm/app/cmd/phases/phase.go
deleted file mode 100644
index bce2b4d243..0000000000
--- a/cmd/kubeadm/app/cmd/phases/phase.go
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
-Copyright 2017 The Kubernetes Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package phases
-
-import (
-	"io"
-
-	"github.com/spf13/cobra"
-	cmdutil "k8s.io/kubernetes/cmd/kubeadm/app/cmd/util"
-)
-
-// NewCmdPhase returns the cobra command for the "kubeadm phase" command (currently alpha-gated)
-func NewCmdPhase(out io.Writer) *cobra.Command {
-	cmd := &cobra.Command{
-		Use:   "phase",
-		Short: "Invoke subsets of kubeadm functions separately for a manual install.",
-		Long:  cmdutil.MacroCommandLongDescription,
-	}
-
-	cmd.AddCommand(NewCmdAddon())
-	cmd.AddCommand(NewCmdBootstrapToken())
-	cmd.AddCommand(NewCmdCerts())
-	cmd.AddCommand(NewCmdEtcd())
-	cmd.AddCommand(NewCmdKubelet())
-	cmd.AddCommand(NewCmdKubeConfig(out))
-	cmd.AddCommand(NewCmdMarkMaster())
-	cmd.AddCommand(NewCmdPreFlight())
-	cmd.AddCommand(NewCmdSelfhosting())
-	cmd.AddCommand(NewCmdUploadConfig())
-
-	return cmd
-}
diff --git a/cmd/kubeadm/app/cmd/phases/preflight.go b/cmd/kubeadm/app/cmd/phases/preflight.go
index 0e70166ad5..de9fca2569 100644
--- a/cmd/kubeadm/app/cmd/phases/preflight.go
+++ b/cmd/kubeadm/app/cmd/phases/preflight.go
@@ -17,21 +17,13 @@ limitations under the License.
 package phases
 
 import (
-	"errors"
 	"fmt"
 
-	"github.com/spf13/cobra"
+	"github.com/pkg/errors"
 	"k8s.io/apimachinery/pkg/util/sets"
 	kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
-	kubeadmscheme "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/scheme"
-	kubeadmapiv1beta1 "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta1"
-	"k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/validation"
-	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/options"
 	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/phases/workflow"
-	cmdutil "k8s.io/kubernetes/cmd/kubeadm/app/cmd/util"
 	"k8s.io/kubernetes/cmd/kubeadm/app/preflight"
-	kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
-	configutil "k8s.io/kubernetes/cmd/kubeadm/app/util/config"
 	"k8s.io/kubernetes/pkg/util/normalizer"
 	utilsexec "k8s.io/utils/exec"
 )
@@ -41,17 +33,6 @@ var (
 		# Run master pre-flight checks using a config file.
 		kubeadm init phase preflight --config kubeadm-config.yml
 		`)
-
-	nodePreflightLongDesc = normalizer.LongDesc(`
-		Run node pre-flight checks, functionally equivalent to what implemented by kubeadm join.
-		` + cmdutil.AlphaDisclaimer)
-
-	nodePreflightExample = normalizer.Examples(`
-		# Run node pre-flight checks.
-		kubeadm alpha phase preflight node
-	`)
-
-	errorMissingConfigFlag = errors.New("the --config flag is mandatory")
 )
 
 // preflightMasterData defines the behavior that a runtime data struct passed to the PreflightMaster master phase
@@ -99,56 +80,3 @@ func runPreflightMaster(c workflow.RunData) error {
 
 	return nil
 }
-
-// NewCmdPreFlight calls cobra.Command for preflight checks
-func NewCmdPreFlight() *cobra.Command {
-	var cfgPath string
-	var ignorePreflightErrors []string
-
-	cmd := &cobra.Command{
-		Use:   "preflight",
-		Short: "Run pre-flight checks",
-		Long:  cmdutil.MacroCommandLongDescription,
-	}
-
-	options.AddConfigFlag(cmd.PersistentFlags(), &cfgPath)
-	options.AddIgnorePreflightErrorsFlag(cmd.PersistentFlags(), &ignorePreflightErrors)
-
-	cmd.AddCommand(NewCmdPreFlightNode(&cfgPath, &ignorePreflightErrors))
-
-	return cmd
-}
-
-// NewCmdPreFlightNode calls cobra.Command for node preflight checks
-func NewCmdPreFlightNode(cfgPath *string, ignorePreflightErrors *[]string) *cobra.Command {
-	cmd := &cobra.Command{
-		Use:     "node",
-		Short:   "Run node pre-flight checks",
-		Long:    nodePreflightLongDesc,
-		Example: nodePreflightExample,
-		Run: func(cmd *cobra.Command, args []string) {
-			if len(*cfgPath) == 0 {
-				kubeadmutil.CheckErr(errorMissingConfigFlag)
-			}
-			ignorePreflightErrorsSet, err := validation.ValidateIgnorePreflightErrors(*ignorePreflightErrors)
-			kubeadmutil.CheckErr(err)
-
-			cfg := &kubeadmapiv1beta1.JoinConfiguration{}
-			kubeadmscheme.Scheme.Default(cfg)
-
-			internalcfg, err := configutil.JoinConfigFileAndDefaultsToInternalConfig(*cfgPath, cfg)
-			kubeadmutil.CheckErr(err)
-			err = configutil.VerifyAPIServerBindAddress(internalcfg.APIEndpoint.AdvertiseAddress)
-			kubeadmutil.CheckErr(err)
-
-			fmt.Println("[preflight] running pre-flight checks")
-
-			err = preflight.RunJoinNodeChecks(utilsexec.New(), internalcfg, ignorePreflightErrorsSet)
-			kubeadmutil.CheckErr(err)
-
-			fmt.Println("[preflight] pre-flight checks passed")
-		},
-	}
-
-	return cmd
-}
diff --git a/cmd/kubeadm/app/phases/kubeconfig/kubeconfig.go b/cmd/kubeadm/app/phases/kubeconfig/kubeconfig.go
index 8fc774d310..0d9bca5cc9 100644
--- a/cmd/kubeadm/app/phases/kubeconfig/kubeconfig.go
+++ b/cmd/kubeadm/app/phases/kubeconfig/kubeconfig.go
@@ -268,7 +268,7 @@ func WriteKubeConfigWithClientCert(out io.Writer, cfg *kubeadmapi.InitConfigurat
 	// creates the KubeConfigSpecs, actualized for the current InitConfiguration
 	caCert, caKey, err := pkiutil.TryLoadCertAndKeyFromDisk(cfg.CertificatesDir, kubeadmconstants.CACertAndKeyBaseName)
 	if err != nil {
-		return errors.Wrap(err, "couldn't create a kubeconfig; the CA files couldn't be loaded: %v")
+		return errors.Wrap(err, "couldn't create a kubeconfig; the CA files couldn't be loaded")
 	}
 
 	masterEndpoint, err := kubeadmutil.GetMasterEndpoint(cfg)
@@ -295,7 +295,7 @@ func WriteKubeConfigWithToken(out io.Writer, cfg *kubeadmapi.InitConfiguration,
 	// creates the KubeConfigSpecs, actualized for the current InitConfiguration
 	caCert, _, err := pkiutil.TryLoadCertAndKeyFromDisk(cfg.CertificatesDir, kubeadmconstants.CACertAndKeyBaseName)
 	if err != nil {
-		return errors.Wrapf(err, "couldn't create a kubeconfig; the CA files couldn't be loaded")
+		return errors.Wrap(err, "couldn't create a kubeconfig; the CA files couldn't be loaded")
 	}
 
 	masterEndpoint, err := kubeadmutil.GetMasterEndpoint(cfg)
diff --git a/docs/.generated_docs b/docs/.generated_docs
index 11deb6312b..27089a5a9c 100644
--- a/docs/.generated_docs
+++ b/docs/.generated_docs
@@ -6,6 +6,22 @@ docs/admin/kube-proxy.md
 docs/admin/kube-scheduler.md
 docs/admin/kubeadm.md
 docs/admin/kubeadm_alpha.md
+docs/admin/kubeadm_alpha_certs.md
+docs/admin/kubeadm_alpha_certs_renew.md
+docs/admin/kubeadm_alpha_certs_renew_all.md
+docs/admin/kubeadm_alpha_certs_renew_apiserver-etcd-client.md
+docs/admin/kubeadm_alpha_certs_renew_apiserver-kubelet-client.md
+docs/admin/kubeadm_alpha_certs_renew_apiserver.md
+docs/admin/kubeadm_alpha_certs_renew_etcd-healthcheck-client.md
+docs/admin/kubeadm_alpha_certs_renew_etcd-peer.md
+docs/admin/kubeadm_alpha_certs_renew_etcd-server.md
+docs/admin/kubeadm_alpha_certs_renew_front-proxy-client.md
+docs/admin/kubeadm_alpha_kubeconfig.md
+docs/admin/kubeadm_alpha_kubeconfig_user.md
+docs/admin/kubeadm_alpha_kubelet.md
+docs/admin/kubeadm_alpha_kubelet_config.md
+docs/admin/kubeadm_alpha_kubelet_config_download.md
+docs/admin/kubeadm_alpha_kubelet_config_enable-dynamic.md
 docs/admin/kubeadm_alpha_phase.md
 docs/admin/kubeadm_alpha_phase_addon.md
 docs/admin/kubeadm_alpha_phase_addon_all.md
@@ -18,32 +34,14 @@ docs/admin/kubeadm_alpha_phase_bootstrap-token_create.md
 docs/admin/kubeadm_alpha_phase_bootstrap-token_node.md
 docs/admin/kubeadm_alpha_phase_bootstrap-token_node_allow-auto-approve.md
 docs/admin/kubeadm_alpha_phase_bootstrap-token_node_allow-post-csrs.md
-docs/admin/kubeadm_alpha_phase_certs.md
-docs/admin/kubeadm_alpha_phase_certs_renew.md
-docs/admin/kubeadm_alpha_phase_certs_renew_all.md
-docs/admin/kubeadm_alpha_phase_certs_renew_apiserver-etcd-client.md
-docs/admin/kubeadm_alpha_phase_certs_renew_apiserver-kubelet-client.md
-docs/admin/kubeadm_alpha_phase_certs_renew_apiserver.md
-docs/admin/kubeadm_alpha_phase_certs_renew_etcd-healthcheck-client.md
-docs/admin/kubeadm_alpha_phase_certs_renew_etcd-peer.md
-docs/admin/kubeadm_alpha_phase_certs_renew_etcd-server.md
-docs/admin/kubeadm_alpha_phase_certs_renew_front-proxy-client.md
 docs/admin/kubeadm_alpha_phase_etcd.md
 docs/admin/kubeadm_alpha_phase_etcd_local.md
-docs/admin/kubeadm_alpha_phase_kubeconfig.md
-docs/admin/kubeadm_alpha_phase_kubeconfig_user.md
-docs/admin/kubeadm_alpha_phase_kubelet.md
-docs/admin/kubeadm_alpha_phase_kubelet_config.md
-docs/admin/kubeadm_alpha_phase_kubelet_config_annotate-cri.md
-docs/admin/kubeadm_alpha_phase_kubelet_config_download.md
-docs/admin/kubeadm_alpha_phase_kubelet_config_enable-dynamic.md
-docs/admin/kubeadm_alpha_phase_kubelet_config_upload.md
 docs/admin/kubeadm_alpha_phase_mark-master.md
-docs/admin/kubeadm_alpha_phase_preflight.md
-docs/admin/kubeadm_alpha_phase_preflight_node.md
 docs/admin/kubeadm_alpha_phase_selfhosting.md
 docs/admin/kubeadm_alpha_phase_selfhosting_convert-from-staticpods.md
 docs/admin/kubeadm_alpha_phase_upload-config.md
+docs/admin/kubeadm_alpha_preflight.md
+docs/admin/kubeadm_alpha_preflight_node.md
 docs/admin/kubeadm_completion.md
 docs/admin/kubeadm_config.md
 docs/admin/kubeadm_config_images.md
@@ -103,6 +101,22 @@ docs/man/man1/kube-apiserver.1
 docs/man/man1/kube-controller-manager.1
 docs/man/man1/kube-proxy.1
 docs/man/man1/kube-scheduler.1
+docs/man/man1/kubeadm-alpha-certs-renew-all.1
+docs/man/man1/kubeadm-alpha-certs-renew-apiserver-etcd-client.1
+docs/man/man1/kubeadm-alpha-certs-renew-apiserver-kubelet-client.1
+docs/man/man1/kubeadm-alpha-certs-renew-apiserver.1
+docs/man/man1/kubeadm-alpha-certs-renew-etcd-healthcheck-client.1
+docs/man/man1/kubeadm-alpha-certs-renew-etcd-peer.1
+docs/man/man1/kubeadm-alpha-certs-renew-etcd-server.1
+docs/man/man1/kubeadm-alpha-certs-renew-front-proxy-client.1
+docs/man/man1/kubeadm-alpha-certs-renew.1
+docs/man/man1/kubeadm-alpha-certs.1
+docs/man/man1/kubeadm-alpha-kubeconfig-user.1
+docs/man/man1/kubeadm-alpha-kubeconfig.1
+docs/man/man1/kubeadm-alpha-kubelet-config-download.1
+docs/man/man1/kubeadm-alpha-kubelet-config-enable-dynamic.1
+docs/man/man1/kubeadm-alpha-kubelet-config.1
+docs/man/man1/kubeadm-alpha-kubelet.1
 docs/man/man1/kubeadm-alpha-phase-addon-all.1
 docs/man/man1/kubeadm-alpha-phase-addon-coredns.1
 docs/man/man1/kubeadm-alpha-phase-addon-kube-proxy.1
@@ -114,33 +128,15 @@ docs/man/man1/kubeadm-alpha-phase-bootstrap-token-node-allow-auto-approve.1
 docs/man/man1/kubeadm-alpha-phase-bootstrap-token-node-allow-post-csrs.1
 docs/man/man1/kubeadm-alpha-phase-bootstrap-token-node.1
 docs/man/man1/kubeadm-alpha-phase-bootstrap-token.1
-docs/man/man1/kubeadm-alpha-phase-certs-renew-all.1
-docs/man/man1/kubeadm-alpha-phase-certs-renew-apiserver-etcd-client.1
-docs/man/man1/kubeadm-alpha-phase-certs-renew-apiserver-kubelet-client.1
-docs/man/man1/kubeadm-alpha-phase-certs-renew-apiserver.1
-docs/man/man1/kubeadm-alpha-phase-certs-renew-etcd-healthcheck-client.1
-docs/man/man1/kubeadm-alpha-phase-certs-renew-etcd-peer.1
-docs/man/man1/kubeadm-alpha-phase-certs-renew-etcd-server.1
-docs/man/man1/kubeadm-alpha-phase-certs-renew-front-proxy-client.1
-docs/man/man1/kubeadm-alpha-phase-certs-renew.1
-docs/man/man1/kubeadm-alpha-phase-certs.1
 docs/man/man1/kubeadm-alpha-phase-etcd-local.1
 docs/man/man1/kubeadm-alpha-phase-etcd.1
-docs/man/man1/kubeadm-alpha-phase-kubeconfig-user.1
-docs/man/man1/kubeadm-alpha-phase-kubeconfig.1
-docs/man/man1/kubeadm-alpha-phase-kubelet-config-annotate-cri.1
-docs/man/man1/kubeadm-alpha-phase-kubelet-config-download.1
-docs/man/man1/kubeadm-alpha-phase-kubelet-config-enable-dynamic.1
-docs/man/man1/kubeadm-alpha-phase-kubelet-config-upload.1
-docs/man/man1/kubeadm-alpha-phase-kubelet-config.1
-docs/man/man1/kubeadm-alpha-phase-kubelet.1
 docs/man/man1/kubeadm-alpha-phase-mark-master.1
-docs/man/man1/kubeadm-alpha-phase-preflight-node.1
-docs/man/man1/kubeadm-alpha-phase-preflight.1
 docs/man/man1/kubeadm-alpha-phase-selfhosting-convert-from-staticpods.1
 docs/man/man1/kubeadm-alpha-phase-selfhosting.1
 docs/man/man1/kubeadm-alpha-phase-upload-config.1
 docs/man/man1/kubeadm-alpha-phase.1
+docs/man/man1/kubeadm-alpha-preflight-node.1
+docs/man/man1/kubeadm-alpha-preflight.1
 docs/man/man1/kubeadm-alpha.1
 docs/man/man1/kubeadm-completion.1
 docs/man/man1/kubeadm-config-images-list.1
diff --git a/docs/admin/kubeadm_alpha_phase_certs.md b/docs/admin/kubeadm_alpha_certs.md
similarity index 100%
rename from docs/admin/kubeadm_alpha_phase_certs.md
rename to docs/admin/kubeadm_alpha_certs.md
diff --git a/docs/admin/kubeadm_alpha_phase_certs_renew.md b/docs/admin/kubeadm_alpha_certs_renew.md
similarity index 100%
rename from docs/admin/kubeadm_alpha_phase_certs_renew.md
rename to docs/admin/kubeadm_alpha_certs_renew.md
diff --git a/docs/admin/kubeadm_alpha_phase_certs_renew_all.md b/docs/admin/kubeadm_alpha_certs_renew_all.md
similarity index 100%
rename from docs/admin/kubeadm_alpha_phase_certs_renew_all.md
rename to docs/admin/kubeadm_alpha_certs_renew_all.md
diff --git a/docs/admin/kubeadm_alpha_phase_certs_renew_apiserver-etcd-client.md b/docs/admin/kubeadm_alpha_certs_renew_apiserver-etcd-client.md
similarity index 100%
rename from docs/admin/kubeadm_alpha_phase_certs_renew_apiserver-etcd-client.md
rename to docs/admin/kubeadm_alpha_certs_renew_apiserver-etcd-client.md
diff --git a/docs/admin/kubeadm_alpha_phase_certs_renew_apiserver-kubelet-client.md b/docs/admin/kubeadm_alpha_certs_renew_apiserver-kubelet-client.md
similarity index 100%
rename from docs/admin/kubeadm_alpha_phase_certs_renew_apiserver-kubelet-client.md
rename to docs/admin/kubeadm_alpha_certs_renew_apiserver-kubelet-client.md
diff --git a/docs/admin/kubeadm_alpha_phase_certs_renew_apiserver.md b/docs/admin/kubeadm_alpha_certs_renew_apiserver.md
similarity index 100%
rename from docs/admin/kubeadm_alpha_phase_certs_renew_apiserver.md
rename to docs/admin/kubeadm_alpha_certs_renew_apiserver.md
diff --git a/docs/admin/kubeadm_alpha_phase_certs_renew_etcd-healthcheck-client.md b/docs/admin/kubeadm_alpha_certs_renew_etcd-healthcheck-client.md
similarity index 100%
rename from docs/admin/kubeadm_alpha_phase_certs_renew_etcd-healthcheck-client.md
rename to docs/admin/kubeadm_alpha_certs_renew_etcd-healthcheck-client.md
diff --git a/docs/admin/kubeadm_alpha_phase_certs_renew_etcd-peer.md b/docs/admin/kubeadm_alpha_certs_renew_etcd-peer.md
similarity index 100%
rename from docs/admin/kubeadm_alpha_phase_certs_renew_etcd-peer.md
rename to docs/admin/kubeadm_alpha_certs_renew_etcd-peer.md
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