@Mondi
It is highly recommended to install kerberos as a prerequisite before using sentry.
- HiveServer2 and the Hive Metastore (HMS) running with strong authentication. For HiveServer2, strong authentication is either Kerberos or LDAP. For the Hive Metastore, only Kerberos is considered strong authentication (to override, see Securing the Hive Metastore).
Below document mentions the prerequisites in detail:
https://docs.cloudera.com/documentation/enterprise/latest/topics/sg_sentry_before_you_install.html#p...
Hope this helps,
Paras
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