Merge pull request #22966 from gkramer/patch-1

Update cheatsheet.md

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

@@ -204,6 +204,13 @@ kubectl get events --sort-by=.metadata.creationTimestamp
 
 # Compares the current state of the cluster against the state that the cluster would be in if the manifest was applied.
 kubectl diff -f ./my-manifest.yaml
+
+# Produce a period-delimited tree of all keys returned for nodes
+# Helpful when locating a key within a complex nested JSON structure
+kubectl get nodes -o json | jq -c 'path(..)|[.[]|tostring]|join(".")'
+
+# Produce a period-delimited tree of all keys returned for pods, etc
+kubectl get pods -o json | jq -c 'path(..)|[.[]|tostring]|join(".")'
 ```
 
 ## Updating Resources