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
This commit is contained in:
Jorge O. Castro
2017-10-03 17:43:52 -07:00
committed by Zach Corleissen
parent d929d7a331
commit 2e8f9adf7d
@@ -41,6 +41,12 @@ $ export ARCH=amd64 # or: arm, arm64, ppc64le, s390x
$ curl -sSL https://dl.k8s.io/release/${VERSION}/bin/linux/${ARCH}/kubeadm > /usr/bin/kubeadm
$ chmod a+rx /usr/bin/kubeadm
```
**Caution:** Upgrading the `kubeadm` package on your system prior to
upgrading the control plane causes a failed upgrade. Even though
`kubeadm` is shipped in the Kubernetes repositories, it's important
to install `kubeadm` manually. The kubeadm team is working on fixing
this limitation.
{: .caution}
Verify that this download of kubeadm works, and has the expected version: