Unable to get componentstatus - using K8s the hard way

Hi @KodeKloudI am trying to setup K8s setup on my H/w using “The hardway”.
When i try to get the componentstatus its showing certificate not valid for

Unable to connect to the server: x509: certificate is valid for,, not
All my services are running like kube-apiserver, kube-controller-manager and kube-schedular
Please let me know how to fix this
Note - i have installed etcd - 3.3.9 and Kubectl - v1.19.0

Hello @sunilsharma,
Did you note the --tls-san option? You can use this to add additional hostnames that the cert is valid for.