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Clarify minor version skew (#5819)

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Jamie Hannaford
2017-10-30 18:44:30 +01:00
committed by Steve Perry
parent f7d639235d
commit a7acfa8270
2 changed files with 9 additions and 1 deletions
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docs/setup/independent/install-kubeadm.md
+6 -1
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@@ -140,7 +140,12 @@ You will install these packages on all of your machines:
kubeadm **will not** install or manage `kubelet` or `kubectl` for you, so you will
need to ensure they match the version of the Kubernetes control panel you want
kubeadm to install for you. If you do not, there is a risk of a version skew occurring that
can lead to unexpected, buggy behaviour.
can lead to unexpected, buggy behaviour. However, _one_ minor version skew between the
kubelet and the control plane is supported, but the kubelet version may never exceed the API
server version. For example, kubelets running 1.7.0 should be fully compatible with a 1.8.0 API server.
For more information on version skews, please read our
[version skew policy](/docs/setup/independent/create-cluster-kubeadm/#version-skew-policy).
Please proceed with executing the following commands based on your OS as `root`.
You may become the `root` user by executing `sudo -i` after SSH-ing to each host.