Update removing_node.md

removing_node.md

@@ -1,18 +1,41 @@
 # Removing a node
 In this lab you will safely remove a node from the Openshift Cluster.
 
-
+```
 $ oc get nodes
+```
 
 ## determine the node you want to remove, make it unschedulable
+
+```
 $ oc adm manage-node <node>  --schedulable=false
+```
+
 ## ensure it is correctly labeled as unschedulable
+
+```
 $ oc get nodes
+```
+
 ## e.g.
-## ip-172-31-21-67.us-east-2.compute.internal    Ready,SchedulingDisabled   compute   10d       v1.9.1+a0ce1bc657
+
+```
+ip-172-31-21-67.us-east-2.compute.internal    Ready,SchedulingDisabled   compute   10d       v1.9.1+a0ce1bc657
+```
+
 ## evacuate pods
+
+```
 $ oc adm drain <node> --ignore-daemonsets --delete-local-data --force
+```
+
 ## check that the node has no running pods
+
+```
 $ oc adm manage-node <node> --list-pods
+```
 ## delete nodes
+
+```
 $ oc delete node <node>
+```