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To start or restart services on a node:
Platform Procedure Hortonworks HDP: - Log on to Ambari.
- Select the Hosts tab.
- Select the host you want to start or restart services on.
- Select .
Cloudera CDH: - Log on to Cloudera Manager.
- On the Cloudera Manager Home page, select Hosts.
- Select the checkbox next to the targeted host.
- Click the Actions for Selected tab.
- Select one of the following:
- In CDH 5.4 and 5.5, Start all Roles
- In CDH 5.7 and later, Start Roles on Hosts