Stop All Metron Services
You need to stop all Metron services prior to uninstalling Metron.
Stop all Metron services in Ambari.
Stop each Metron service in the following order:
- Metron Alerts UI
- Metron Management UI
- Metron REST
From the Storm node, list all of the Storm topologies that are currently
Kill each of the running Storm topologies in the following order:
- all parsers such as bro and snort
storm kill bro
- Return to the Storm UI and verify that all topologies are killed.
- In Ambari, stop Storm by selecting Storm and clicking Stop All in the Actions menu.
- From the Storm node, list all of the Storm topologies that are currently running:
Ensure that the UIs are shut down.
If the Metron Alerts Ui or Metron Management UI status in Ambari is "running," shut down the UIs by entering the following from $METRON_HOME/var/log/metron/metron:
service metron-alerts-ui status service metron-alerts-ui stop service metron-management-ui status service metron-management-ui stop