setup_cluster.sh to continue with the automatic deployment.
deployment_user supplied initially. You will be asked to enter its credentials so the script can
connect over SSH to all servers. You will see the following message:
For the purpose of deployment, we need access to a deployment_user which resides on all servers
using the same ssh key. The deployment_user will be used to access the other servers listed in
the config.json file and therefore requires sudo permission.
Please enter the credentials of the deployment_user:
deployment_user needs password for sudo
operations: