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### What is this PR for? Currently Zeppelin provides authorization mechanism on each notebooks. But it seems many users can not get much useful information through [the existing notebook authorization docs](https://zeppelin.apache.org/docs/0.6.0-incubating-SNAPSHOT/security/notebook_authorization.html). So I add some information so that users can follow step by step. Moreover, [interpreter authorization docs](https://zeppelin.apache.org/docs/0.6.0-incubating-SNAPSHOT/security/interpreter_authorization.html) doesn't provide much information so far. This can be confused to users. So I removed it temporally. We can add it again when we have specific(?) feature for `interpreter & data source authorization`. ### What type of PR is it? Improvement | Documentation ### Todos * [x] - Remove security_overview.md & interpreter_authorization.md * [x] - Improve notebook authorization docs ### What is the Jira issue? [ZEPPELIN-939](https://issues.apache.org/jira/browse/ZEPPELIN-939) ### How should this be tested? ### Screenshots (if appropriate) - **Before** <img width="1107" alt="screen shot 2016-06-01 at 5 46 22 pm" src="https://cloud.githubusercontent.com/assets/10060731/15730358/cf8074ec-2820-11e6-8e55-d0552896d95d.png"> - **After** <img width="1030" alt="screen shot 2016-06-01 at 5 48 17 pm" src="https://cloud.githubusercontent.com/assets/10060731/15730384/1b6c8a08-2821-11e6-89ae-7d054ec87c57.png"> <img width="1007" alt="screen shot 2016-06-01 at 5 48 31 pm" src="https://cloud.githubusercontent.com/assets/10060731/15730386/1ea6e42a-2821-11e6-9630-da2ca67970f0.png"> ### Questions: * Does the licenses files need update? No * Is there breaking changes for older versions? No * Does this needs documentation? No Author: AhyoungRyu <fbdkdud93@hanmail.net> Closes #947 from AhyoungRyu/ZEPPELIN-939 and squashes the following commits:e63af10[AhyoungRyu] Revert interpreter_authorization.md6438cc2[AhyoungRyu] Improve notebook authorization documentation6e1c1b3[AhyoungRyu] Remove deleted file list in navbar26f77d0[AhyoungRyu] Remove security_overview.md & interpreter_authorization.md
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| layout | title | description | group |
|---|---|---|---|
| page | Notebook Authorization | Notebook Authorization | security |
Interpreter and Data Source Authorization
Interpreter Authorization
Interpreter authorization involves permissions like creating an interpreter and execution queries using it.
Data Source Authorization
Data source authorization involves authenticating to the data source like a Mysql database and letting it determine user permissions.
For the JDBC interpreter, we need to maintain per-user connection pools. The interpret method takes the user string as parameter and executes the jdbc call using a connection in the user's connection pool.
In case of Presto, we don't need password if the Presto DB server runs backend code using HDFS authorization for the user. For databases like Vertica and Mysql we have to store password information for users.
The Credentials tab in the navbar allows users to save credentials for data sources which are passed to interpreters.