$ ceph-deploy mon create ceph-server
[ceph_deploy.mon][DEBUG ] Deploying mon, cluster ceph hosts ceph-server
[ceph_deploy.mon][DEBUG ] detecting platform for host ceph-server ...
[ceph_deploy.mon][INFO  ] distro info: Ubuntu 12.04 precise
[ceph-server][DEBUG ] deploying mon to ceph-server
[ceph-server][DEBUG ] remote hostname: thePenguinAllianceBenevolentSupremeDictatorForLifeAndBeyond
[ceph-server][INFO  ] write cluster configuration to /etc/ceph/{cluster}.conf
[ceph-server][DEBUG ] checking for done path: /var/lib/ceph/mon/ceph-thePenguinAllianceBenevolentSupremeDictatorForLifeAndBeyond/done
[ceph-server][INFO  ] create a done file to avoid re-doing the mon deployment
[ceph-server][INFO  ] create the init path if it does not exist
[ceph-server][INFO  ] Running command: initctl emit ceph-mon cluster=ceph id=thePenguinAllianceBenevolentSupremeDictatorForLifeAndBeyond
$ ceph-deploy gatherkeys ceph-server
[ceph_deploy.gatherkeys][DEBUG ] Checking ceph-server for /etc/ceph/ceph.client.admin.keyring
[ceph_deploy.gatherkeys][WARNIN] Unable to find /etc/ceph/ceph.client.admin.keyring on ['ceph-server']
[ceph_deploy.gatherkeys][DEBUG ] Have ceph.mon.keyring
[ceph_deploy.gatherkeys][DEBUG ] Checking ceph-server for /var/lib/ceph/bootstrap-osd/ceph.keyring
[ceph_deploy.gatherkeys][WARNIN] Unable to find /var/lib/ceph/bootstrap-osd/ceph.keyring on ['ceph-server']
[ceph_deploy.gatherkeys][DEBUG ] Checking ceph-server for /var/lib/ceph/bootstrap-mds/ceph.keyring
[ceph_deploy.gatherkeys][WARNIN] Unable to find /var/lib/ceph/bootstrap-mds/ceph.keyring on ['ceph-server']