Sangrho opened a new pull request #4132: URL: https://github.com/apache/zeppelin/pull/4132
### What is this PR for? For detailed explanation for how to impersonate on LDAP & Kerberized environments. ### What type of PR is it? [Documentation] ### Todos * [ ] - Task ### What is the Jira issue? https://issues.apache.org/jira/browse/ZEPPELIN-5406 ### How should this be tested? This is about documents update so that the test is not needed. ### Screenshots (if appropriate) ### Questions: * Does the licenses files need update? No * Is there breaking changes for older versions? Yes * Does this needs documentation? Yes -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org