Checking service accounts
You must ensure that all service accounts required for the upgrade are present. These service accounts include Ambari metrics user, smoke user, Hadoop group, infra solr user, NiFi user, NiFi Registry user, Ranger group, Ranger user, and ZooKeeper user.
-
Run the following command:
- For service account:
cat /etc/passwd - For groups:
cat /etc/group
- For service account:
-
Check if all the service accounts, mentioned in the following table, are
present.
Name Value Ambari Metrics User ams Smoke User ambari-qa Hadoop Group hadoop Infra Solr User infra-solr Nifi User nifi Nifi Registry User nifiregistry Ranger Group ranger (Optional. Needed when you use ranger service in Ambari) Ranger User ranger ZooKeeper User zookeeper - If any service account is missing, create that account in your cluster.
