Current scylla-housekeeping support on Ubuntu has bug, it does not installs .service/.timer for Ubuntu 16.04. So fix it to make it work. Fixes #1502 Signed-off-by: Takuya ASADA <syuu@scylladb.com> Tested-by: Amos Kong <amos@scylladb.com> Message-Id: <1471607903-14889-1-git-send-email-syuu@scylladb.com>