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Added Kerberos documentation #640

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fd10960
Added Kerberos documentation
Jan 15, 2016
f95807d
added license info on doc.
Jan 16, 2016
bafcead
Added Kerberos doc to spark.md instead of having separate file.
Jan 21, 2016
00d2551
Spelled out 'w/' and changed link as requested.
Feb 5, 2016
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Changed three dots to two dots on link
Feb 5, 2016
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Address the reviews
AhyoungRyu Feb 15, 2016
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Add spaces between the bracket
AhyoungRyu Feb 15, 2016
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24 changes: 24 additions & 0 deletions docs/interpreter/spark.md
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Expand Up @@ -262,3 +262,27 @@ select * from ${table=defaultTableName} where text like '%${search}%'
```

To learn more about dynamic form, checkout [Dynamic Form](../manual/dynamicform.html).

## Setting up Zeppelin with Kerberos
Logical setup with Zeppelin, Kerberos Distribution Center (KDC), and Spark on YARN:

<img src="../assets/themes/zeppelin/img/docs-img/kdc_zeppelin.png">

####Configuration Setup

1. On the server that Zeppelin is installed, install Kerberos client modules and configuration, krb5.conf.
This is to make the server communicate with KDC.

2. Set SPARK\_HOME in [ZEPPELIN\_HOME]/conf/zeppelin-env.sh to use spark-submit
( Additionally, you might have to set “export HADOOP\_CONF\_DIR=/etc/hadoop/conf” )

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@AhyoungRyu AhyoungRyu Feb 8, 2016

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@sejunra And, I also found that SPARK_HOME, ZEPPELIN_HOME and HADOOP_CONF_DIR are not shown up properly in Zeppelin docs website like attached screenshot.

screen shot 2016-02-08 at 6 30 27 pm

Then, you may use like SPARK\_HOME ,
ZEPPELIN\_HOME and HADOOP\_CONF\_DIR instead of just using SPARK_HOME, ZEPPELIN_HOME and HADOOP_CONF_DIR.

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@felixcheung felixcheung Feb 9, 2016

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good catch!

3. Add the two properties below to spark configuration ( [SPARK_HOME]/conf/spark-defaults.conf ):

spark.yarn.principal
spark.yarn.keytab

> **NOTE:** If you do not have access to the above spark-defaults.conf file, optionally, you may add the lines to the Spark Interpreter through the Interpreter tab in the Zeppelin UI.

4. That's it. Play with Zeppelin !