To configure each host in the cluster, we recommend creating a common, non-root administrator account on each target physical server (including the host system being used to administer the node of the cluster).

The administrator account must have sudo access on each target system you intend to add to your cluster. On each target system, log in as this superuser and then execute the following command to grant the user sudo access. For example, to allow the user iceadmin to be the administrator: