modified: README.md

README.md

@@ -202,3 +202,9 @@ kubectl get secret <secret_name> -o jsonpath='{.data.token}' | base64 -d
 ```bash
 kubectl get secret <secret_name> -o jsonpath='{.data.token}' | base64 -d > ./service-account-secret-base64
 ```
+
+**Get Cluster certificate Base64:**
+
+```bash
+kubectl config view --raw -o jsonpath='{.clusters[0].cluster.certificate-authority-data}' 
+```