/usr/bin/ceph-authtool
/usr/bin/ceph-conf
/usr/bin/ceph-crush-location
/usr/bin/ceph
/usr/bin/ceph-dencoder
/usr/bin/ceph-post-file
/usr/bin/ceph-rest-api
/usr/bin/ceph-syn
/usr/bin/rados
/usr/bin/rbd
You may install this package on Debian with
apt-get
install ceph-common