Tips for centos to resolve startup problem (#4755)

* Tips for centos to resolve startup problem

* Update document to diagnose centos setup problem

* Update create-cluster-kubeadm.md

docs/setup/independent/create-cluster-kubeadm.md

@@ -559,6 +559,28 @@ Another workaround is to overwrite the default `kubeconfig` for the "admin" user
   sudo chown $(id -u):$(id -g) $HOME/.kube/config
 ```
 
+1. If you are using CentOS and encounter difficulty while setting up the master node:
+
+   Verify that your Docker cgroup driver matches the kubelet config:
+
+```
+docker info |grep -i cgroup
+cat /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
+```
+
+   If the Docker cgroup driver and the kubelet config don't match, change the kubelet config to match the Docker cgroup driver:
+
+```
+update KUBELET_CGROUP_ARGS=--cgroup-driver=systemd to KUBELET_CGROUP_ARGS=--cgroup-driver=cgroupfs
+```
+
+   Then restart kubelet:
+
+```
+systemctl daemon-reload
+service kubelet restart
+```
+
 The `kubectl describe pod` or `kubectl logs` commands can help you diagnose errors. For example:
 
 ```bash
@@ -569,5 +591,4 @@ kubectl -n ${NAMESPACE} logs ${POD_NAME} -c ${CONTAINER_NAME}
 
 {% endcapture %}
 
-
 {% include templates/task.md %}