Create a LimitRange in the default namespace

 vim set-limit-range.yml

apiVersion: v1
kind: LimitRange
metadata:
  name: set-limit-range
spec:
  limits:
  - max:
      cpu: "800m"
    min:
      cpu: "200m"
    type: Container

Get a list of existing limit ranges in the default namespace and create the one using the file created in the above step.

kubectl get limitrange

kubectl create -f set-limit-range.yml

kubectl get limitrange

kubectl describe limitrange set-limit-range