root@kube-node-a:~# helm upgrade rancher rancher-stable/rancher –namespace cattle-system –set hostname=192.168.72.90.sslip.io –set bootstrapPassword=P@55w0rdxx
Error: UPGRADE FAILED: Kubernetes cluster unreachable: the server has asked for the client to provide credentials
root@kube-node-a:~#
Menambahkan kubectl ke .kube/config
kubectl config view --raw > ~/.kube/config sudo chmod o-r ~/.kube/config sudo chmod g-r ~/.kube/config
Berikut cara menambahkannya
root@kube-node-a:~# kubectl config view --raw > ~/.kube/config root@kube-node-a:~# sudo chmod o-r ~/.kube/config root@kube-node-a:~# sudo chmod g-r ~/.kube/config root@kube-node-a:~#