Add warning about using packaged kubeadm (#5716)
* Add warning about using packaged kubeadm * Update kubeadm-upgrade-1-8.md * Update kubeadm-upgrade-1-8.md
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committed by
Zach Corleissen
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@@ -41,6 +41,12 @@ $ export ARCH=amd64 # or: arm, arm64, ppc64le, s390x
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$ curl -sSL https://dl.k8s.io/release/${VERSION}/bin/linux/${ARCH}/kubeadm > /usr/bin/kubeadm
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$ curl -sSL https://dl.k8s.io/release/${VERSION}/bin/linux/${ARCH}/kubeadm > /usr/bin/kubeadm
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$ chmod a+rx /usr/bin/kubeadm
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$ chmod a+rx /usr/bin/kubeadm
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```
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```
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**Caution:** Upgrading the `kubeadm` package on your system prior to
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upgrading the control plane causes a failed upgrade. Even though
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`kubeadm` is shipped in the Kubernetes repositories, it's important
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to install `kubeadm` manually. The kubeadm team is working on fixing
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this limitation.
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{: .caution}
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Verify that this download of kubeadm works, and has the expected version:
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Verify that this download of kubeadm works, and has the expected version:
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