报错：

rancher-rke-01:~/rke # helm install rancher rancher-latest/rancher   --namespace cattle-system   --set hostname=www.rancher.local

Error: INSTALLATION FAILED: Internal error occurred: failed calling webhook "validate.nginx.ingress.kubernetes.io": failed to call webhook: Post "https://ingress-nginx-controller-admission.ingress-nginx.svc:443/networking/v1/ingresses?timeout=10s": context deadline exceeded 

根因：
        动态准入控制 | Kubernetes

解决：
kubectl delete -A ValidatingWebhookConfiguration ingress-nginx-admission