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Following are steps to install nginx ingress controller using helm.

1) Add the helm repo for nginx ingress controller, in this example helm-ingress-nginx

helm repo add helm-ingress-nginx https://kubernetes.github.io/ingress-nginx

2) Verify and Update the downloaded Nginx ingress controller helm chart

Update the helm repo to make sure you have latest nginx ingress controller helm chart. Following is the command.

helm repo update

List the Helm repositories to make sure you see nginx ingress controller chart. Following is the command.

helm repo list

3) Create a Kubernetes namespace for nginx ingress controller. In this example ingressns

kubectl create namespace ingressns

4) Install nginx ingress controller using helm

helm upgrade --install ingressns helm-ingress-nginx/ingress-nginx --namespace ingressns

5) Verify that the Nginx Ingress Controller pod is up

kubectl get pods -n ingress

Refer to following Github link for kickstart installation file for Redhat Enterprise Linux 8 (RHEL8)

Refer to following Git link for Kickstart file for installing Rocky Linux 8

Below Kubectl Command can be used to Decode Grafana Admin User Password.

kubectl get secret --namespace $NAMESPACE grafana \
-o jsonpath="{.data.admin-password}" | base64 --decode ; echo

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