Error Message:

Solution:

enter this command as following:

[root@k8s-master01 ingress]# kubectl delete -A ValidatingWebhookConfiguration ingress-nginx-admission
validatingwebhookconfiguration.admissionregistration.k8s.io “ingress-nginx-admission” deleted
[root@k8s-master01 ingress]# kubectl apply -f ingress1.yaml
ingress.networking.k8s.io/nginx-test created
[root@k8s-master01 ingress]#