gistfile1.txt

#!/usr/bin/env bash
cat > eks-admin-service-account.yml << EOL
apiVersion: v1
kind: ServiceAccount
metadata:
  name: eks-admin
  namespace: kube-system
---
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRoleBinding
metadata:
  name: eks-admin
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: cluster-admin
subjects:
- kind: ServiceAccount
  name: eks-admin
  namespace: kube-system
EOL

kubectl apply -f eks-admin-service-account.yml
kubectl -n kube-system describe secret "$(kubectl -n kube-system get secret | grep eks-admin | awk '{print $1}')"