setting current context and finding running pod's YAML (#13665)

content/en/docs/reference/kubectl/cheatsheet.md

@@ -69,6 +69,9 @@ kubectl config use-context my-cluster-name           # set the default context t
 # add a new cluster to your kubeconf that supports basic auth
 kubectl config set-credentials kubeuser/foo.kubernetes.com --username=kubeuser --password=kubepassword
 
+# permanently save the namespace for all subsequent kubectl commands in that context.
+kubectl config set-context --current --namespace=ggckad-s2
+
 # set a context utilizing a specific username and namespace.
 kubectl config set-context gce --user=cluster-admin --namespace=foo \
   && kubectl config use-context gce
@@ -142,6 +145,8 @@ kubectl get pods --all-namespaces             # List all pods in all namespaces
 kubectl get pods -o wide                      # List all pods in the namespace, with more details
 kubectl get deployment my-dep                 # List a particular deployment
 kubectl get pods --include-uninitialized      # List all pods in the namespace, including uninitialized ones
+kubectl get pod my-pod -o yaml                # Get a pod's YAML
+kubectl get pod my-pod -o yaml --export       # Get a pod's YAML without cluster specific information
 
 # Describe commands with verbose output
 kubectl describe nodes my-node