Default user accounts
The Ambari Installation wizard creates default service user account names for each installed service.
| Service | Component | Default User Account |
|---|---|---|
| Accumulo | Accumulo Tracer, Accumulo Monitor, Accumulo GC, Accumulo Master | accumulo |
| Ambari Metrics | Metrics Collector, Metrics Monitor | ams |
| Ambari Infra | Infra Solr Instance | infra-solr |
| Atlas | Atlas Metadata Server | atlas |
| Falcon | Falcon Server | falcon |
| Flume | Flume Agents | flume |
| HBase | MasterServer RegionServer | hbase |
| HDFS | NameNode SecondaryNameNode DataNode | hdfs |
| Hive | Hive Metastore, HiveServer2 | hive |
| HUE | HUE | hue |
| Kafka | Kafka Broker | kafka |
| Knox | Knox Gateway | knox |
| Mahout | Mahout clients | mahout |
| MapReduce2 | HistoryServer | mapred |
| Oozie | Oozie Server | oozie |
| PostgreSQL | PostgreSQL (with Ambari Server) | postgres (Created as part of installing the default PostgreSQL database with Ambari Server. If you are not using the Ambari PostgreSQL database, this user is not needed.) |
| Ranger | Ranger Admin, Ranger Usersync | ranger |
| Ranger KMS | Ranger KMS Server | kms |
| Slider | Slider clients | slider |
| SmartSense | HST Server, HST Agent, Activity Analyzer, Activity Explorer | same as ambari agent |
| Spark | Livey Servers | livy |
| Spark | Spark History Server | spark |
| Sqoop | Sqoop | sqoop |
| Storm | Masters (Nimbus, DRPC Server, Storm REST API, Server, Storm UI Server) Slaves (Supervisors, Logviewers) | storm |
| Tez | Tez clients | tez |
| WebHCat | WebHCat Server | hcat |
| YARN | NodeManager ResourceManager | yarn |
| Zeppelin Notebook | Zeppelin Notebook | zeppelin |
| ZooKeeper | ZooKeeper | zookeeper |