Unable to connect to the server: x509: certificate signed by unknown authority

mahmoodze

I just started studying for CKA and doesn't have in depth understanding of kubernetes.

I am getting following error message after I reset kubeadm and re-init kubeadm. Any help would be much appreciated

zmadmin@ZM-Master-Node:~$ kubectl get nodes
Unable to connect to the server: x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes")
zmadmin@ZM-Master-Node:~$