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13.4. Launch the Telemetry Alarming Service

Start the Telemetry Alarming service daemons and configure them to start at boot time: 
# systemctl start openstack-aodh-api.service \
openstack-aodh-evaluator.service \
openstack-aodh-notifier.service \
openstack-aodh-listener.service
# systemctl enable openstack-aodh-api.service \
openstack-aodh-evaluator.service \
openstack-aodh-notifier.service \
openstack-aodh-listener.service