Apache Ambari Administration
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Local and LDAP User and Group Types

Local users are stored in and authenticate against the Ambari database. LDAP users have basic account information stored in the Ambari database. Unlike local users, LDAP users authenticate against an external LDAP system.

Local groups are stored in the Ambari database. LDAP groups have basic information stored in the Ambari database, including group membership information. Unlike local groups, LDAP groups are imported and synchronized from an external LDAP system.

To use LDAP users and groups with Ambari, you must configure Ambari to authenticate against an external LDAP system. Ambari grants no permissions by default to a new user or group, created either locally or by synchronizing against LDAP, You, as an Ambari administrator, must explicitly grant each user permissions to access clusters or views.

More Information

Configure Ambari to use LDAP Server