Suggest to run reset script for first-time users (#9865)

README.md

@@ -34,6 +34,13 @@ CONFIG_FILE=inventory/mycluster/hosts.yaml python3 contrib/inventory_builder/inv
 cat inventory/mycluster/group_vars/all/all.yml
 cat inventory/mycluster/group_vars/k8s_cluster/k8s-cluster.yml
 
+# Clean up old Kubernete cluster with Ansible Playbook - run the playbook as root
+# The option `--become` is required, as for example cleaning up SSL keys in /etc/,
+# uninstalling old packages and interacting with various systemd daemons.
+# Without --become the playbook will fail to run!
+# And be mind it will remove the current kubernetes cluster (if it's running)!
+ansible-playbook -i inventory/mycluster/hosts.yaml  --become --become-user=root reset.yml
+
 # Deploy Kubespray with Ansible Playbook - run the playbook as root
 # The option `--become` is required, as for example writing SSL keys in /etc/,
 # installing packages and interacting with various systemd daemons.