cephadm 16.2.4-0ubuntu2 (amd64 binary) in ubuntu impish

 Ceph is a massively scalable, open-source, distributed
 storage system that runs on commodity hardware and delivers object,
 block and file system storage.
 .
 The cephadm utility is used to bootstrap a Ceph cluster and to manage
 ceph daemons deployed with systemd and containers.