x509 certificate signed by unknown authority- Kubernetes
mkdir -p $HOME/.kube sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config sudo chown $(id -u):$(id -g) $HOME/.kube/config
From kubernetes official site:
Verify that the $HOME/.kube/config file contains a valid certificate, and regenerate a certificate
Unset the KUBECONFIG environment variable using:
unset KUBECONFIG
Or set it to the default KUBECONFIG location:
export KUBECONFIG=/etc/kubernetes/admin.conf
Another workaround is to overwrite the existing kubeconfig for the “admin” user:
mv $HOME/.kube $HOME/.kube.bakmkdir $HOME/.kubesudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/configsudo chown $(id -u):$(id -g) $HOME/.kube/config
Reference: official site link reference
Please see this as a reference and maybe help you resolve your issue by exporting your certs:
kops export kubecfg "your cluster-name"export KOPS_STATE_STORE=s3://"paste your S3 store"
Hope that will help.