Review zookeper tutorial and fix command error (#31914)

* Misplaced command result

On zookeeper tutorial https://kubernetes.io/docs/tutorials/stateful-application/zookeeper/#surviving-maintenance command result is concatenated to the command itself:

kubectl drain $(kubectl get pod zk-1 --template {{.spec.nodeName}}) --ignore-daemonsets --force --delete-emptydir-data "kubernetes-node-ixsl" cordoned

* Review zookeeper tutorial

#31873

Review done!

Author: tarikly

content/en/docs/tutorials/stateful-application/zookeeper.md

@@ -442,7 +442,7 @@ datadir-zk-2   Bound     pvc-bee0817e-bcb1-11e6-994f-42010a800002   20Gi       R
 
 The `volumeMounts` section of the `StatefulSet`'s container `template` mounts the PersistentVolumes in the ZooKeeper servers' data directories.
 
-```shell
+```yaml
 volumeMounts:
 - name: datadir
   mountPath: /var/lib/zookeeper
@@ -661,6 +661,8 @@ Use the `kubectl rollout history` command to view a history or previous configur
 kubectl rollout history sts/zk
 ```
 
+The output is similar to this:
+
 ```
 statefulsets "zk"
 REVISION
@@ -674,6 +676,8 @@ Use the `kubectl rollout undo` command to roll back the modification.
 kubectl rollout undo sts/zk
 ```
 
+The output is similar to this:
+
 ```
 statefulset.apps/zk rolled back
 ```
@@ -773,7 +777,7 @@ kubectl get pod -w -l app=zk
 In another window, using the following command to delete the `zookeeper-ready` script from the file system of Pod `zk-0`.
 
 ```shell
-kubectl exec zk-0 -- rm /usr/bin/zookeeper-ready
+kubectl exec zk-0 -- rm /opt/zookeeper/bin/zookeeper-ready
 ```
 
 When the liveness probe for the ZooKeeper process fails, Kubernetes will
@@ -926,6 +930,8 @@ In another terminal, use this command to get the nodes that the Pods are current
 for i in 0 1 2; do kubectl get pod zk-$i --template {{.spec.nodeName}}; echo ""; done
 ```
 
+The output is similar to this:
+
 ```
 kubernetes-node-pb41
 kubernetes-node-ixsl
@@ -939,6 +945,8 @@ drain the node on which the `zk-0` Pod is scheduled.
 kubectl drain $(kubectl get pod zk-0 --template {{.spec.nodeName}}) --ignore-daemonsets --force --delete-emptydir-data
 ```
 
+The output is similar to this:
+
 ```
 node "kubernetes-node-pb41" cordoned
 
@@ -971,22 +979,28 @@ Keep watching the `StatefulSet`'s Pods in the first terminal and drain the node
 `zk-1` is scheduled.
 
 ```shell
-kubectl drain $(kubectl get pod zk-1 --template {{.spec.nodeName}}) --ignore-daemonsets --force --delete-emptydir-data "kubernetes-node-ixsl" cordoned
+kubectl drain $(kubectl get pod zk-1 --template {{.spec.nodeName}}) --ignore-daemonsets --force --delete-emptydir-data
 ```
 
+The output is similar to this:
+
 ```
+"kubernetes-node-ixsl" cordoned
 WARNING: Deleting pods not managed by ReplicationController, ReplicaSet, Job, or DaemonSet: fluentd-cloud-logging-kubernetes-node-ixsl, kube-proxy-kubernetes-node-ixsl; Ignoring DaemonSet-managed pods: node-problem-detector-v0.1-voc74
 pod "zk-1" deleted
 node "kubernetes-node-ixsl" drained
 ```
 
+
 The `zk-1` Pod cannot be scheduled because the `zk` `StatefulSet` contains a `PodAntiAffinity` rule preventing
 co-location of the Pods, and as only two nodes are schedulable, the Pod will remain in a Pending state.
 
 ```shell
 kubectl get pods -w -l app=zk
 ```
 
+The output is similar to this:
+
 ```
 NAME      READY     STATUS    RESTARTS   AGE
 zk-0      1/1       Running   2          1h
@@ -1017,6 +1031,8 @@ Continue to watch the Pods of the StatefulSet, and drain the node on which
 kubectl drain $(kubectl get pod zk-2 --template {{.spec.nodeName}}) --ignore-daemonsets --force --delete-emptydir-data
 ```
 
+The output is similar to this:
+
 ```
 node "kubernetes-node-i4c4" cordoned
 
@@ -1060,6 +1076,8 @@ Use [`kubectl uncordon`](/docs/reference/generated/kubectl/kubectl-commands/#unc
 kubectl uncordon kubernetes-node-pb41
 ```
 
+The output is similar to this:
+
 ```
 node "kubernetes-node-pb41" uncordoned
 ```
@@ -1070,6 +1088,8 @@ node "kubernetes-node-pb41" uncordoned
 kubectl get pods -w -l app=zk
 ```
 
+The output is similar to this:
+
 ```
 NAME      READY     STATUS    RESTARTS   AGE
 zk-0      1/1       Running   2          1h
@@ -1103,7 +1123,7 @@ Attempt to drain the node on which `zk-2` is scheduled.
 kubectl drain $(kubectl get pod zk-2 --template {{.spec.nodeName}}) --ignore-daemonsets --force --delete-emptydir-data
 ```
 
-The output:
+The output is similar to this:
 
 ```
 node "kubernetes-node-i4c4" already cordoned
@@ -1121,6 +1141,8 @@ Uncordon the second node to allow `zk-2` to be rescheduled.
 kubectl uncordon kubernetes-node-ixsl
 ```
 
+The output is similar to this:
+
 ```
 node "kubernetes-node-ixsl" uncordoned
 ```