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Update some wording on kubeadm upgrades #4272

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Jul 5, 2017
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Update some wording on kubeadm upgrades #4272

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5 changes: 2 additions & 3 deletions docs/setup/independent/create-cluster-kubeadm.md
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Expand Up @@ -53,13 +53,12 @@ The experience for the command line is currently in beta and we are trying hard
not to change command line flags and break that flow. Other parts of the
experience are still under active development. Specifically, kubeadm relies on
some features (bootstrap tokens, cluster signing), that are still considered
alpha. The implementation may change as the tool evolves to support easy
alpha. The implementation may change as the tool evolves to support even easier
upgrades and high availability (HA). Any commands under `kubeadm alpha` (not
documented here) are, of course, alpha.

**Be sure to read the [limitations](#limitations)**. Specifically, configuring
cloud providers is difficult. Upgrades are also not well documented or
particularly easy.
cloud providers is difficult.
{% endcapture %}

{% capture prerequisites %}
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4 changes: 4 additions & 0 deletions docs/tasks/administer-cluster/kubeadm-upgrade-1-7.md
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Expand Up @@ -57,6 +57,10 @@ You need to have a Kubernetes cluster running version 1.6.x.

4. Perform kubeadm upgrade.

**WARNING**: All parameters you passed to the first `kubeadm init` when you bootstrapped your
cluster **MUST** be specified here in the upgrade-`kubeadm init`-command. This is a limitation
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suggested edit: "This is a limitation we plan to address in v1.8."

we plan to address in v1.8.

sudo kubeadm init --skip-preflight-checks --kubernetes-version <DESIRED_VERSION>

For instance, if you want to upgrade to `1.7.0`, you would run:
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