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Improve troubleshooting guide for issues switching from docker Engine
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nitishfy committed Oct 12, 2022
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2 changes: 2 additions & 0 deletions content/en/docs/tasks/administer-cluster/cluster-upgrade.md
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Expand Up @@ -27,6 +27,8 @@ the documentation for the version of Kubernetes that you plan to upgrade to.

## Upgrade approaches

Before upgrading to Kubernetes 1.24, please go through [Urgent Upgrade Notes](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.24.md#urgent-upgrade-notes).

### kubeadm {#upgrade-kubeadm}

If your cluster was deployed using the `kubeadm` tool, refer to
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21 changes: 5 additions & 16 deletions content/en/docs/tasks/debug/debug-cluster/_index.md
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Expand Up @@ -14,23 +14,7 @@ problem you are experiencing. See
the [application troubleshooting guide](/docs/tasks/debug/debug-application/) for tips on application debugging.
You may also visit the [troubleshooting overview document](/docs/tasks/debug/) for more information.

Before upgrading to Kubernetes 1.24 , It is very important to go through [Urgent Upgrade Notes](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.24.md#urgent-upgrade-notes).

<!-- body -->
## Cluster not starting

To start your cluster, Run the following command:

```shell
kubelet --help | grep network-plugin
```

*Note: If you get the following error after upgrading to Kubernetes 1.24, go through the [Migrating from dockershim](https://kubernetes.io/docs/tasks/administer-cluster/migrating-from-dockershim/) page to get a better understanding on how to resolve this error.*

```shell
Error: failed to parse kubelet flag: unknown flag: --network-plugin
```


## Listing your cluster

Expand Down Expand Up @@ -329,7 +313,12 @@ This is an incomplete list of things that could go wrong, and how to adjust your
- Action: applications (containers) designed to tolerate unexpected restarts
- Mitigates: Node shutdown
- Mitigates: Kubelet software fault

### Things to note after dockershim migration

## {{< note >}}
*Note: If you get the following error after upgrading to Kubernetes 1.24, go through the [Migrating from dockershim](/docs/tasks/administer-cluster/migrating-from-dockershim/) guide to get a better understanding of how to resolve this error.*
## {{< note >}}

## {{% heading "whatsnext" %}}

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