---
title: kubeadm join phase
weight: 90
---
In v1.14.0, kubeadm introduces the `kubeadm join phase` command with the aim of making kubeadm more modular. This modularity enables you to invoke atomic sub-steps of the join process.
Hence, you can let kubeadm do some parts and fill in yourself where you need customizations.

`kubeadm join phase` is consistent with the [kubeadm join workflow](/docs/reference/setup-tools/kubeadm/kubeadm-join/#join-workflow),
and behind the scene both use the same code.

## kubeadm join phase {#cmd-join-phase}

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## kubeadm join phase preflight {#cmd-join-phase-preflight}

Using this phase you can execute preflight checks on a joining node.

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## kubeadm join phase control-plane-prepare {#cmd-join-phase-control-plane-prepare}

Using this phase you can prepare a node for serving a control-plane.

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## kubeadm join phase kubelet-start {#cmd-join-phase-kubelet-start}

Using this phase you can write the kubelet settings, certificates and (re)start the kubelet.

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## kubeadm join phase control-plane-join {#cmd-join-phase-control-plane-join}

Using this phase you can join a node as a control-plane instance.

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## What's next
* [kubeadm init](/docs/reference/setup-tools/kubeadm/kubeadm-init/) to bootstrap a Kubernetes control-plane node
* [kubeadm join](/docs/reference/setup-tools/kubeadm/kubeadm-join/) to connect a node to the cluster
* [kubeadm reset](/docs/reference/setup-tools/kubeadm/kubeadm-reset/) to revert any changes made to this host by `kubeadm init` or `kubeadm join`
* [kubeadm alpha](/docs/reference/setup-tools/kubeadm/kubeadm-alpha/) to try experimental functionality