[Solved] Error from server (ServiceUnavailable): the server is currently unable to handle the request (get nodes.metrics.k8s.io)

 Issue:- 

The issue was occuring when i tried to run the metric server inside the kubernetes. And after deploying tried to list the cpu utilization based on the nodes

[centos@k8smaster volumes]$ kubectl top nodes

Error:- 

Error from server (ServiceUnavailable): the server is currently unable to handle the request (get nodes.metrics.k8s.io)

Resolution:-

This can easily be resolved by editing the deployment yaml files and adding the hostNetwork: true after the dnsPolicy: ClusterFirst

kubectl edit deployments.apps -n kube-system metrics-server

hostNetwork: ture