4.4.0-109.132) is not available, but a newer one is (4.4.0-142.168). We redirected you there.
/usr/sbin/ceph-disk-activate is in ceph 0.80.11-0ubuntu1.14.04.3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 | #!/bin/sh
dir=`dirname $0`
$dir/ceph-disk activate $*
|