root@controller2:~# dpkg -l | egrep -i 'ceph|rados'
ii  ceph-base                             13.2.6-1bionic                         amd64        common ceph daemon libraries and management tools
ii  ceph-common                           13.2.6-1bionic                         amd64        common utilities to mount and interact with a ceph storage cluster
ii  ceph-mds                              13.2.6-1bionic                         amd64        metadata server for the ceph distributed file system
ii  ceph-mgr                              13.2.6-1bionic                         amd64        manager for the ceph distributed storage system
ii  ceph-mon                              13.2.6-1bionic                         amd64        monitor server for the ceph storage system
ii  libcephfs2                            13.2.6-1bionic                         amd64        Ceph distributed file system client library
ii  librados2                             13.2.6-1bionic                         amd64        RADOS distributed object store client library
ii  libradosstriper1                      13.2.6-1bionic                         amd64        RADOS striping interface
ii  librbd1                               13.2.6-1bionic                         amd64        RADOS block device client library
ii  librgw2                               13.2.6-1bionic                         amd64        RADOS Gateway client library
ii  python-cephfs                         13.2.6-1bionic                         amd64        Python 2 libraries for the Ceph libcephfs library
ii  python-rados                          13.2.6-1bionic                         amd64        Python 2 libraries for the Ceph librados library
ii  python-rbd                            13.2.6-1bionic                         amd64        Python 2 libraries for the Ceph librbd library
ii  python-rgw                            13.2.6-1bionic                         amd64        Python 2 libraries for the Ceph librgw library
ii  radosgw                               13.2.6-1bionic                         amd64        REST gateway for RADOS distributed object store