Convert site to Hugo (#8316)

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+
+Manage bootstrap tokens.
+
+### Synopsis
+
+
+
+This command manages bootstrap tokens. It is optional and needed only for advanced use cases.
+
+In short, bootstrap tokens are used for establishing bidirectional trust between a client and a server.
+A bootstrap token can be used when a client (for example a node that is about to join the cluster) needs
+to trust the server it is talking to. Then a bootstrap token with the "signing" usage can be used.
+bootstrap tokens can also function as a way to allow short-lived authentication to the API Server
+(the token serves as a way for the API Server to trust the client), for example for doing the TLS Bootstrap.
+
+What is a bootstrap token more exactly?
+ - It is a Secret in the kube-system namespace of type "bootstrap.kubernetes.io/token".
+ - A bootstrap token must be of the form "[a-z0-9]{6}.[a-z0-9]{16}". The former part is the public token ID,
+   while the latter is the Token Secret and it must be kept private at all circumstances!
+ - The name of the Secret must be named "bootstrap-token-(token-id)".
+
+You can read more about bootstrap tokens here:
+  https://kubernetes.io/docs/admin/bootstrap-tokens/
+
+
+```
+kubeadm token [flags]
+```
+
+### Options
+
+<table style="width: 100%;">
+  <colgroup>
+    <col span="1" style="width: 10px;" />
+    <col span="1" />
+  </colgroup>
+  <tbody>
+
+    <tr>
+      <td colspan="2">--dry-run</td>
+    </tr>
+    <tr>
+      <td></td><td style="line-height: 130%">Whether to enable dry-run mode or not</td>
+    </tr>
+
+    <tr>
+      <td colspan="2">-h, --help</td>
+    </tr>
+    <tr>
+      <td></td><td style="line-height: 130%">help for token</td>
+    </tr>
+
+    <tr>
+      <td colspan="2">--kubeconfig string&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Default: "/etc/kubernetes/admin.conf"</td>
+    </tr>
+    <tr>
+      <td></td><td style="line-height: 130%">The KubeConfig file to use when talking to the cluster</td>
+    </tr>
+
+  </tbody>
+</table>
+
+
+