On 16/10/2020 02:33, fisheater chang wrote: > I use Ubuntu 18.04 to install > https://docs.openstack.org/ceilometer/stein/install/install-base-ubuntu.html > <https://docs.openstack.org/ceilometer/stein/install/install-base-ubuntu.html> > (ceilometer) > When I run |service gnocchi-api restart|, I get |Failed to restart > gnocchi-api.service: Unit gnocchi-api.service not found.| > I can not speak for Ubuntu distributions here. The error message just states, there is no gnocchi-api.service. There are two possible solutions: either it's gone or it has been renamed. In CentOS/RHEL based deployments, the gnocchi-api service was moved to httpd. Maybe that's the case for Ubuntu as well? Matthias