To set the resource limitation of each Namespace, the admission controller LimitRanger should be added in the Kubernetes API server. Do not worry about this setting if you have minikube or kubeadm as your system manager.
The admission controller in the Kubernetes API serverAdmission controller is a setting in the Kubernetes API server which defines more advanced functionality in the API server. There are several functions that can be set in the admission controller. Users can add the functions when starting the API server through the configuration file or using CLI with the flag --admission-control. Relying on minikube or kubeadm for system management, they have their own initial settings in the admission controller: ...