Added: zeppelin/site/docs/0.9.0/setup/operation/configuration.html
URL: 
http://svn.apache.org/viewvc/zeppelin/site/docs/0.9.0/setup/operation/configuration.html?rev=1884775&view=auto
==============================================================================
--- zeppelin/site/docs/0.9.0/setup/operation/configuration.html (added)
+++ zeppelin/site/docs/0.9.0/setup/operation/configuration.html Thu Dec 24 
14:36:01 2020
@@ -0,0 +1,881 @@
+
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Apache Zeppelin 0.9.0 Documentation: Apache Zeppelin 
Configuration</title>
+    <meta name="description" content="This page will guide you to configure 
Apache Zeppelin using either environment variables or Java properties. Also, 
you can configure SSL for Zeppelin.">
+    <meta name="author" content="The Apache Software Foundation">
+
+    <!-- Enable responsive viewport -->
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+
+    <!-- Le HTML5 shim, for IE6-8 support of HTML elements -->
+    <!--[if lt IE 9]>
+    <script src="http://html5shim.googlecode.com/svn/trunk/html5.js";></script>
+    <![endif]-->
+
+    <link 
href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" 
rel="stylesheet">
+
+    <!-- Le styles -->
+    <link 
href="/docs/0.9.0/assets/themes/zeppelin/bootstrap/css/bootstrap.css" 
rel="stylesheet">
+    <link href="/docs/0.9.0/assets/themes/zeppelin/css/style.css?body=1" 
rel="stylesheet" type="text/css">
+    <link href="/docs/0.9.0/assets/themes/zeppelin/css/syntax.css" 
rel="stylesheet"  type="text/css" media="screen" /> 
+    <!-- Le fav and touch icons -->
+    <!-- Update these with your own images
+    <link rel="shortcut icon" href="images/favicon.ico">
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+    <link rel="apple-touch-icon" sizes="114x114" 
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+    -->
+
+    <!-- Js -->
+    <script src="https://code.jquery.com/jquery-1.10.2.min.js";></script>
+    <script 
src="/docs/0.9.0/assets/themes/zeppelin/bootstrap/js/bootstrap.min.js"></script>
+    <script src="/docs/0.9.0/assets/themes/zeppelin/js/docs.js"></script>
+    <script src="/docs/0.9.0/assets/themes/zeppelin/js/anchor.min.js"></script>
+    <script src="/docs/0.9.0/assets/themes/zeppelin/js/toc.js"></script>
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+    <script src="/docs/0.9.0/assets/themes/zeppelin/js/search.js"></script>    
+
+    <!-- atom & rss feed -->
+    <link href="/docs/0.9.0/atom.xml" type="application/atom+xml" 
rel="alternate" title="Sitewide ATOM Feed">
+    <link href="/docs/0.9.0/rss.xml" type="application/rss+xml" 
rel="alternate" title="Sitewide RSS Feed">
+  </head>
+
+  <body>
+    
+        <div id="menu" class="navbar navbar-inverse navbar-fixed-top" 
role="navigation">
+      <div class="container navbar-container">
+        <div class="navbar-header">
+          <button type="button" class="navbar-toggle" data-toggle="collapse" 
data-target=".navbar-collapse">
+            <span class="sr-only">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+          </button>
+          <div class="navbar-brand">
+            <a class="navbar-brand-main" href="http://zeppelin.apache.org";>
+              <img 
src="/docs/0.9.0/assets/themes/zeppelin/img/zeppelin_logo.png" width="50"
+                   style="margin-top: -2px;" alt="I'm zeppelin">
+              <span style="margin-left: 5px; font-size: 27px;">Zeppelin</span>
+              <a class="navbar-brand-version" href="/docs/0.9.0"
+                 style="font-size: 15px; color: white;"> 0.9.0
+              </a>
+            </a>
+          </div>
+        </div>
+        <nav class="navbar-collapse collapse" role="navigation">
+          <ul class="nav navbar-nav">
+            <li>
+              <a href="#" data-toggle="dropdown" class="dropdown-toggle">Quick 
Start <b class="caret"></b></a>
+              <ul class="dropdown-menu">
+                <li class="title"><span>Getting Started</span></li>
+                <li><a 
href="/docs/0.9.0/quickstart/install.html">Install</a></li>
+                <li><a href="/docs/0.9.0/quickstart/explore_ui.html">Explore 
UI</a></li>
+                <li><a 
href="/docs/0.9.0/quickstart/tutorial.html">Tutorial</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Run Mode</span></li>
+                <li><a 
href="/docs/0.9.0/quickstart/kubernetes.html">Kubernetes</a></li>
+                <li><a 
href="/docs/0.9.0/quickstart/docker.html">Docker</a></li>
+                <li><a href="/docs/0.9.0/quickstart/yarn.html">Yarn</a></li>
+                <li role="separator" class="divider"></li>
+                <li><a 
href="/docs/0.9.0/quickstart/spark_with_zeppelin.html">Spark with 
Zeppelin</a></li>
+                <li><a 
href="/docs/0.9.0/quickstart/sql_with_zeppelin.html">SQL with Zeppelin</a></li>
+                <li><a 
href="/docs/0.9.0/quickstart/python_with_zeppelin.html">Python with 
Zeppelin</a></li>
+              </ul>
+            </li>
+
+            <li>
+              <a href="#" data-toggle="dropdown" 
class="dropdown-toggle">Usage<b class="caret"></b></a>
+              <ul class="dropdown-menu scrollable-menu">
+                <li class="title"><span>Dynamic Form</span></li>
+                <li><a href="/docs/0.9.0/usage/dynamic_form/intro.html">What 
is Dynamic Form?</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Display System</span></li>
+                <li><a 
href="/docs/0.9.0/usage/display_system/basic.html#text">Text Display</a></li>
+                <li><a 
href="/docs/0.9.0/usage/display_system/basic.html#html">HTML Display</a></li>
+                <li><a 
href="/docs/0.9.0/usage/display_system/basic.html#table">Table Display</a></li>
+                <li><a 
href="/docs/0.9.0/usage/display_system/basic.html#network">Network 
Display</a></li>
+                <li><a 
href="/docs/0.9.0/usage/display_system/angular_backend.html">Angular Display 
using Backend API</a></li>
+                <li><a 
href="/docs/0.9.0/usage/display_system/angular_frontend.html">Angular Display 
using Frontend API</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Interpreter</span></li>
+                <li><a 
href="/docs/0.9.0/usage/interpreter/overview.html">Overview</a></li>
+                <li><a 
href="/docs/0.9.0/usage/interpreter/interpreter_binding_mode.html">Interpreter 
Binding Mode</a></li>
+                <li><a 
href="/docs/0.9.0/usage/interpreter/user_impersonation.html">User 
Impersonation</a></li>
+                <li><a 
href="/docs/0.9.0/usage/interpreter/dependency_management.html">Dependency 
Management</a></li>
+                <li><a 
href="/docs/0.9.0/usage/interpreter/installation.html">Installing 
Interpreters</a></li>
+                <!--<li><a 
href="/docs/0.9.0/usage/interpreter/dynamic_loading.html">Dynamic Interpreter 
Loading (Experimental)</a></li>-->
+                <li><a 
href="/docs/0.9.0/usage/interpreter/execution_hooks.html">Execution Hooks 
(Experimental)</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Other Features</span></li>
+                <li><a 
href="/docs/0.9.0/usage/other_features/publishing_paragraphs.html">Publishing 
Paragraphs</a></li>
+                <li><a 
href="/docs/0.9.0/usage/other_features/personalized_mode.html">Personalized 
Mode</a></li>
+                <li><a 
href="/docs/0.9.0/usage/other_features/customizing_homepage.html">Customizing 
Zeppelin Homepage</a></li>
+                <li><a 
href="/docs/0.9.0/usage/other_features/notebook_actions.html">Notebook 
Actions</a></li>
+                <li><a 
href="/docs/0.9.0/usage/other_features/cron_scheduler.html">Cron 
Scheduler</a></li>
+                <li><a 
href="/docs/0.9.0/usage/other_features/zeppelin_context.html">Zeppelin 
Context</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>REST API</span></li>
+                <li><a 
href="/docs/0.9.0/usage/rest_api/interpreter.html">Interpreter API</a></li>
+                <li><a 
href="/docs/0.9.0/usage/rest_api/zeppelin_server.html">Zeppelin Server 
API</a></li>
+                <li><a 
href="/docs/0.9.0/usage/rest_api/notebook.html">Notebook API</a></li>
+                <li><a 
href="/docs/0.9.0/usage/rest_api/notebook_repository.html">Notebook Repository 
API</a></li>
+                <li><a 
href="/docs/0.9.0/usage/rest_api/configuration.html">Configuration API</a></li>
+                <li><a 
href="/docs/0.9.0/usage/rest_api/credential.html">Credential API</a></li>
+                <li><a href="/docs/0.9.0/usage/rest_api/helium.html">Helium 
API</a></li>
+              </ul>
+            </li>
+
+            <li>
+              <a href="#" data-toggle="dropdown" 
class="dropdown-toggle">Setup<b class="caret"></b></a>
+              <ul class="dropdown-menu scrollable-menu">
+                <li class="title"><span>Basics</span></li>
+                <li><a href="/docs/0.9.0/setup/basics/how_to_build.html">How 
to Build Zeppelin</a></li>
+                <li><a 
href="/docs/0.9.0/setup/basics/hadoop_integration.html">Hadoop 
Integration</a></li>
+                <li><a 
href="/docs/0.9.0/setup/basics/multi_user_support.html">Multi-user 
Support</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Deployment</span></li>
+                <!--<li><a 
href="/docs/0.9.0/setup/deployment/docker.html">Docker Image for 
Zeppelin</a></li>-->
+                <li><a 
href="/docs/0.9.0/setup/deployment/spark_cluster_mode.html#spark-standalone-mode">Spark
 Cluster Mode: Standalone</a></li>
+                <li><a 
href="/docs/0.9.0/setup/deployment/spark_cluster_mode.html#spark-on-yarn-mode">Spark
 Cluster Mode: YARN</a></li>
+                <li><a 
href="/docs/0.9.0/setup/deployment/spark_cluster_mode.html#spark-on-mesos-mode">Spark
 Cluster Mode: Mesos</a></li>
+                <li><a 
href="/docs/0.9.0/setup/deployment/flink_and_spark_cluster.html">Zeppelin with 
Flink, Spark Cluster</a></li>
+                <li><a href="/docs/0.9.0/setup/deployment/cdh.html">Zeppelin 
on CDH</a></li>
+                <li><a 
href="/docs/0.9.0/setup/deployment/virtual_machine.html">Zeppelin on VM: 
Vagrant</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Security</span></li>
+                <li><a 
href="/docs/0.9.0/setup/security/authentication_nginx.html">HTTP Basic Auth 
using NGINX</a></li>
+                <li><a 
href="/docs/0.9.0/setup/security/shiro_authentication.html">Shiro 
Authentication</a></li>
+                <li><a 
href="/docs/0.9.0/setup/security/notebook_authorization.html">Notebook 
Authorization</a></li>
+                <li><a 
href="/docs/0.9.0/setup/security/datasource_authorization.html">Data Source 
Authorization</a></li>
+                <li><a 
href="/docs/0.9.0/setup/security/http_security_headers.html">HTTP Security 
Headers</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Notebook Storage</span></li>
+                <li><a 
href="/docs/0.9.0/setup/storage/storage.html#notebook-storage-in-local-git-repository">Git
 Storage</a></li>
+                <li><a 
href="/docs/0.9.0/setup/storage/storage.html#notebook-storage-in-s3">S3 
Storage</a></li>
+                <li><a 
href="/docs/0.9.0/setup/storage/storage.html#notebook-storage-in-azure">Azure 
Storage</a></li>
+                <li><a 
href="/docs/0.9.0/setup/storage/storage.html#notebook-storage-in-oss">OSS 
Storage</a></li>
+                <li><a 
href="/docs/0.9.0/setup/storage/storage.html#notebook-storage-in-zeppelinhub">ZeppelinHub
 Storage</a></li>
+                <li><a 
href="/docs/0.9.0/setup/storage/storage.html#notebook-storage-in-mongodb">MongoDB
 Storage</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Operation</span></li>
+                <li><a 
href="/docs/0.9.0/setup/operation/configuration.html">Configuration</a></li>
+                <li><a 
href="/docs/0.9.0/setup/operation/proxy_setting.html">Proxy Setting</a></li>
+                <li><a 
href="/docs/0.9.0/setup/operation/upgrading.html">Upgrading</a></li>
+                <li><a 
href="/docs/0.9.0/setup/operation/trouble_shooting.html">Trouble 
Shooting</a></li>
+              </ul>
+            </li>
+
+            <li>
+              <a href="#" data-toggle="dropdown" 
class="dropdown-toggle">Interpreter <b class="caret"></b></a>
+              <ul class="dropdown-menu scrollable-menu">
+                <li class="title"><span>Interpreters</span></li>
+                <li><a 
href="/docs/0.9.0/usage/interpreter/overview.html">Overview</a></li>
+                <li role="separator" class="divider"></li>
+                <li><a href="/docs/0.9.0/interpreter/spark.html">Spark</a></li>
+                <li><a href="/docs/0.9.0/interpreter/jdbc.html">JDBC</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/python.html">Python</a></li>
+                <li><a href="/docs/0.9.0/interpreter/r.html">R</a></li>
+                <li role="separator" class="divider"></li>
+                <li><a 
href="/docs/0.9.0/interpreter/alluxio.html">Alluxio</a></li>
+                <li><a href="/docs/0.9.0/interpreter/beam.html">Beam</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/bigquery.html">BigQuery</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/cassandra.html">Cassandra</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/elasticsearch.html">Elasticsearch</a></li>
+                <li><a href="/docs/0.9.0/interpreter/flink.html">Flink</a></li>
+                <li><a href="/docs/0.9.0/interpreter/geode.html">Geode</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/groovy.html">Groovy</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/hazelcastjet.html">Hazelcast Jet</a></li>
+                <li><a href="/docs/0.9.0/interpreter/hbase.html">HBase</a></li>
+                <li><a href="/docs/0.9.0/interpreter/hdfs.html">HDFS</a></li>
+                <li><a href="/docs/0.9.0/interpreter/hive.html">Hive</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/ignite.html">Ignite</a></li>
+                <li><a href="/docs/0.9.0/interpreter/java.html">Java</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/jupyter.html">Jupyter</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/kotlin.html">Kotlin</a></li>
+                <li><a href="/docs/0.9.0/interpreter/kylin.html">Kylin</a></li>
+                <li><a href="/docs/0.9.0/interpreter/lens.html">Lens</a></li>
+                <li><a href="/docs/0.9.0/interpreter/livy.html">Livy</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/markdown.html">Markdown</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/mongodb.html">MongoDB</a></li>
+                <li><a href="/docs/0.9.0/interpreter/neo4j.html">Neo4j</a></li>
+                <li><a href="/docs/0.9.0/interpreter/pig.html">Pig</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/postgresql.html">Postgresql, HAWQ</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/scalding.html">Scalding</a></li>
+                <li><a href="/docs/0.9.0/interpreter/scio.html">Scio</a></li>
+                <li><a href="/docs/0.9.0/interpreter/shell.html">Shell</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/sparql.html">Sparql</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/submarine.html">Submarine</a></li>
+              </ul>
+            </li>
+            <li>
+              <a href="#" data-toggle="dropdown" 
class="dropdown-toggle">More<b class="caret"></b></a>
+              <ul class="dropdown-menu scrollable-menu" style="right: 0; left: 
auto;">
+                <li class="title"><span>Extending Zeppelin</span></li>
+                <li><a 
href="/docs/0.9.0/development/writing_zeppelin_interpreter.html">Writing 
Zeppelin Interpreter</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Helium (Experimental)</span></li>
+                <li><a 
href="/docs/0.9.0/development/helium/overview.html">Overview</a></li>
+                <li><a 
href="/docs/0.9.0/development/helium/writing_application.html">Writing Helium 
Application</a></li>
+                <li><a 
href="/docs/0.9.0/development/helium/writing_spell.html">Writing Helium 
Spell</a></li>
+                <li><a 
href="/docs/0.9.0/development/helium/writing_visualization_basic.html">Writing 
Helium Visualization: Basics</a></li>
+                <li><a 
href="/docs/0.9.0/development/helium/writing_visualization_transformation.html">Writing
 Helium Visualization: Transformation</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Contributing to Zeppelin</span></li>
+                <li><a href="/docs/0.9.0/setup/basics/how_to_build.html">How 
to Build Zeppelin</a></li>
+                <li><a 
href="/docs/0.9.0/development/contribution/useful_developer_tools.html">Useful 
Developer Tools</a></li>
+                <li><a 
href="/docs/0.9.0/development/contribution/how_to_contribute_code.html">How to 
Contribute (code)</a></li>
+                <li><a 
href="/docs/0.9.0/development/contribution/how_to_contribute_website.html">How 
to Contribute (website)</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>External Resources</span></li>
+                <li><a target="_blank" 
href="https://zeppelin.apache.org/community.html";>Mailing List</a></li>
+                <li><a target="_blank" 
href="https://cwiki.apache.org/confluence/display/ZEPPELIN/Zeppelin+Home";>Apache
 Zeppelin Wiki</a></li>
+                <li><a target="_blank" 
href="http://stackoverflow.com/questions/tagged/apache-zeppelin";>Stackoverflow 
Questions about Zeppelin</a></li>
+              </ul>
+            </li>
+            <li>
+              <a href="/docs/0.9.0/search.html" class="nav-search-link">
+                <span class="fa fa-search nav-search-icon"></span>
+              </a>
+            </li>
+          </ul>
+        </nav><!--/.navbar-collapse -->
+      </div>
+    </div>
+
+
+
+    <div class="content">
+      
+<!--<div class="hero-unit Apache Zeppelin Configuration">
+  <h1></h1>
+</div>
+-->
+
+<div class="row">
+  <div class="col-md-12">
+    <!--
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+
+<h1>Apache Zeppelin Configuration</h1>
+
+<div id="toc"></div>
+
+<h2>Zeppelin Properties</h2>
+
+<p>There are two locations you can configure Apache Zeppelin.</p>
+
+<ul>
+<li><strong>Environment variables</strong> can be defined 
<code>conf/zeppelin-env.sh</code>(<code>conf\zeppelin-env.cmd</code> for 
Windows).</li>
+<li><strong>Java properties</strong> can be defined in 
<code>conf/zeppelin-site.xml</code>.</li>
+</ul>
+
+<p>If both are defined, then the <strong>environment variables</strong> will 
take priority.</p>
+
+<blockquote>
+<p>Mouse hover on each property and click <i class="fa fa-link 
fa-flip-horizontal"></i> then you can get a link for that.</p>
+</blockquote>
+
+<table class="table-configuration">
+  <tr>
+    <th>zeppelin-env.sh</th>
+    <th>zeppelin-site.xml</th>
+    <th>Default value</th>
+    <th class="col-md-4">Description</th>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_ADDR</h6></td>
+    <td><h6 class="properties">zeppelin.server.addr</h6></td>
+    <td>127.0.0.1</td>
+    <td>Zeppelin server binding address</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_PORT</h6></td>
+    <td><h6 class="properties">zeppelin.server.port</h6></td>
+    <td>8080</td>
+    <td>Zeppelin server port </br>
+      <span style="font-style:italic; color: gray"> Note: Please make sure 
you're not using the same port with
+      <a 
href="https://zeppelin.apache.org/contribution/webapplication.html#dev-mode"; 
target="_blank">Zeppelin web application development port</a> (default: 
9000).</span></td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_SSL_PORT</h6></td>
+    <td><h6 class="properties">zeppelin.server.ssl.port</h6></td>
+    <td>8443</td>
+    <td>Zeppelin Server ssl port (used when ssl environment/property is set to 
true)</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_JMX_ENABLE</h6></td>
+    <td><h6 class="properties">zeppelin.jmx.enable</h6></td>
+    <td>false</td>
+    <td>Enable JMX by defining "true"</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_JMX_PORT</h6></td>
+    <td><h6 class="properties">zeppelin.jmx.port</h6></td>
+    <td>9996</td>
+    <td>Port number which JMX uses</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_MEM</h6></td>
+    <td>N/A</td>
+    <td>-Xmx1024m -XX:MaxMetaspaceSize=512m</td>
+    <td>JVM mem options</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_INTP_MEM</h6></td>
+    <td>N/A</td>
+    <td>ZEPPELIN_MEM</td>
+    <td>JVM mem options for interpreter process</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_JAVA_OPTS</h6></td>
+    <td>N/A</td>
+    <td></td>
+    <td>JVM options</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_ALLOWED_ORIGINS</h6></td>
+    <td><h6 class="properties">zeppelin.server.allowed.origins</h6></td>
+    <td>*</td>
+    <td>Enables a way to specify a ',' separated list of allowed origins for 
REST and websockets. <br /> e.g. http://localhost:8080</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_CREDENTIALS_PERSIST</h6></td>
+    <td><h6 class="properties">zeppelin.credentials.persist</h6></td>
+    <td>true</td>
+    <td>Persist credentials on a JSON file (credentials.json)</td>
+  </tr>  
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_CREDENTIALS_ENCRYPT_KEY</h6></td>
+    <td><h6 class="properties">zeppelin.credentials.encryptKey</h6></td>
+    <td></td>
+    <td>If provided, encrypt passwords on the credentials.json file (passwords 
will be stored as plain-text otherwise</td>
+  </tr>  
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_SERVER_CONTEXT_PATH</h6></td>
+    <td><h6 class="properties">zeppelin.server.context.path</h6></td>
+    <td>/</td>
+    <td>Context path of the web application</td>
+  </tr>
+  <tr>
+    <td><h6 
class="properties">ZEPPELIN_NOTEBOOK_COLLABORATIVE_MODE_ENABLE</h6></td>
+    <td><h6 
class="properties">zeppelin.notebook.collaborative.mode.enable</h6></td>
+    <td>true</td>
+    <td>Enable basic opportunity for collaborative editing. Does not change 
the logic of operation if the note is used by one person.</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_SSL</h6></td>
+    <td><h6 class="properties">zeppelin.ssl</h6></td>
+    <td>false</td>
+    <td></td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_SSL_CLIENT_AUTH</h6></td>
+    <td><h6 class="properties">zeppelin.ssl.client.auth</h6></td>
+    <td>false</td>
+    <td></td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_SSL_KEYSTORE_PATH</h6></td>
+    <td><h6 class="properties">zeppelin.ssl.keystore.path</h6></td>
+    <td>keystore</td>
+    <td></td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_SSL_KEYSTORE_TYPE</h6></td>
+    <td><h6 class="properties">zeppelin.ssl.keystore.type</h6></td>
+    <td>JKS</td>
+    <td></td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_SSL_KEYSTORE_PASSWORD</h6></td>
+    <td><h6 class="properties">zeppelin.ssl.keystore.password</h6></td>
+    <td></td>
+    <td></td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_SSL_KEY_MANAGER_PASSWORD</h6></td>
+    <td><h6 class="properties">zeppelin.ssl.key.manager.password</h6></td>
+    <td></td>
+    <td></td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_SSL_TRUSTSTORE_PATH</h6></td>
+    <td><h6 class="properties">zeppelin.ssl.truststore.path</h6></td>
+    <td></td>
+    <td></td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_SSL_TRUSTSTORE_TYPE</h6></td>
+    <td><h6 class="properties">zeppelin.ssl.truststore.type</h6></td>
+    <td></td>
+    <td></td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_SSL_TRUSTSTORE_PASSWORD</h6></td>
+    <td><h6 class="properties">zeppelin.ssl.truststore.password</h6></td>
+    <td></td>
+    <td></td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_SSL_PEM_KEY</h6></td>
+    <td><h6 class="properties">zeppelin.ssl.pem.key</h6></td>
+    <td></td>
+    <td>This directive points to the PEM-encoded private key file for the 
server.</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_SSL_PEM_KEY_PASSWORD</h6></td>
+    <td><h6 class="properties">zeppelin.ssl.pem.key.password</h6></td>
+    <td></td>
+    <td>Password of the PEM-encoded private key.</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_SSL_PEM_CERT</h6></td>
+    <td><h6 class="properties">zeppelin.ssl.pem.cert</h6></td>
+    <td></td>
+    <td>This directive points to a file with certificate data in PEM 
format.</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_SSL_PEM_CA</h6></td>
+    <td><h6 class="properties">zeppelin.ssl.pem.ca</h6></td>
+    <td></td>
+    <td>This directive sets the all-in-one file where you can assemble the 
Certificates of Certification Authorities (CA) whose clients you deal with. 
These are used for Client Authentication. Such a file is simply the 
concatenation of the various PEM-encoded Certificate files.</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_NOTEBOOK_HOMESCREEN</h6></td>
+    <td><h6 class="properties">zeppelin.notebook.homescreen</h6></td>
+    <td></td>
+    <td>Display note IDs on the Apache Zeppelin homescreen <br />e.g. 
2A94M5J1Z</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_NOTEBOOK_HOMESCREEN_HIDE</h6></td>
+    <td><h6 class="properties">zeppelin.notebook.homescreen.hide</h6></td>
+    <td>false</td>
+    <td>Hide the note ID set by <code>ZEPPELIN_NOTEBOOK_HOMESCREEN</code> on 
the Apache Zeppelin homescreen. <br />For the further information, please read 
<a href="../usage/other_features/customizing_homepage.html">Customize your 
Zeppelin homepage</a>.</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_WAR_TEMPDIR</h6></td>
+    <td><h6 class="properties">zeppelin.war.tempdir</h6></td>
+    <td>webapps</td>
+    <td>Location of the jetty temporary directory</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_NOTEBOOK_DIR</h6></td>
+    <td><h6 class="properties">zeppelin.notebook.dir</h6></td>
+    <td>notebook</td>
+    <td>The root directory where notebook directories are saved</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_NOTEBOOK_S3_BUCKET</h6></td>
+    <td><h6 class="properties">zeppelin.notebook.s3.bucket</h6></td>
+    <td>zeppelin</td>
+    <td>S3 Bucket where notebook files will be saved</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_NOTEBOOK_S3_USER</h6></td>
+    <td><h6 class="properties">zeppelin.notebook.s3.user</h6></td>
+    <td>user</td>
+    <td>User name of an S3 bucket<br />e.g. 
<code>bucket/user/notebook/2A94M5J1Z/note.json</code></td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_NOTEBOOK_S3_ENDPOINT</h6></td>
+    <td><h6 class="properties">zeppelin.notebook.s3.endpoint</h6></td>
+    <td>s3.amazonaws.com</td>
+    <td>Endpoint for the bucket</td>
+  </tr>
+  <tr>
+    <td>N/A</td>
+    <td><h6 class="properties">zeppelin.notebook.s3.timeout</h6></td>
+    <td>120000</td>
+    <td>Bucket endpoint request timeout in msec</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_NOTEBOOK_S3_KMS_KEY_ID</h6></td>
+    <td><h6 class="properties">zeppelin.notebook.s3.kmsKeyID</h6></td>
+    <td></td>
+    <td>AWS KMS Key ID to use for encrypting data in S3 (optional)</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_NOTEBOOK_S3_EMP</h6></td>
+    <td><h6 
class="properties">zeppelin.notebook.s3.encryptionMaterialsProvider</h6></td>
+    <td></td>
+    <td>Class name of a custom S3 encryption materials provider implementation 
to use for encrypting data in S3 (optional)</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_NOTEBOOK_S3_SSE</h6></td>
+    <td><h6 class="properties">zeppelin.notebook.s3.sse</h6></td>
+    <td>false</td>
+    <td>Save notebooks to S3 with server-side encryption enabled</td>
+  </tr>
+  <tr>
+      <td><h6 class="properties">ZEPPELIN_NOTEBOOK_S3_CANNED_ACL</h6></td>
+      <td><h6 class="properties">zeppelin.notebook.s3.cannedAcl</h6></td>
+      <td></td>
+      <td>Save notebooks to S3 with the given [Canned 
ACL](https://docs.aws.amazon.com/AWSJavaSDK/latest/javadoc/com/amazonaws/services/s3/model/CannedAccessControlList.html)
 which determines the S3 permissions.</td>
+  </tr>
+  <tr>
+      <td><h6 
class="properties">ZEPPELIN_NOTEBOOK_S3_PATH_STYLE_ACCESS</h6></td>
+      <td><h6 class="properties">zeppelin.notebook.s3.pathStyleAccess</h6></td>
+      <td>false</td>
+      <td>Access S3 bucket using path style</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_NOTEBOOK_S3_SIGNEROVERRIDE</h6></td>
+    <td><h6 class="properties">zeppelin.notebook.s3.signerOverride</h6></td>
+    <td></td>
+    <td>Optional override to control which signature algorithm should be used 
to sign AWS requests</td>
+  </tr>
+  <tr>
+    <td><h6 
class="properties">ZEPPELIN_NOTEBOOK_AZURE_CONNECTION_STRING</h6></td>
+    <td><h6 
class="properties">zeppelin.notebook.azure.connectionString</h6></td>
+    <td></td>
+    <td>The Azure storage account connection string<br />e.g. 
<br/><code>DefaultEndpointsProtocol=https;<br/>AccountName=&lt;accountName&gt;;<br/>AccountKey=&lt;accountKey&gt;</code></td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_NOTEBOOK_AZURE_SHARE</h6></td>
+    <td><h6 class="properties">zeppelin.notebook.azure.share</h6></td>
+    <td>zeppelin</td>
+    <td>Azure Share where the notebook files will be saved</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_NOTEBOOK_AZURE_USER</h6></td>
+    <td><h6 class="properties">zeppelin.notebook.azure.user</h6></td>
+    <td>user</td>
+    <td>Optional user name of an Azure file share<br />e.g. 
<code>share/user/notebook/2A94M5J1Z/note.json</code></td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_NOTEBOOK_STORAGE</h6></td>
+    <td><h6 class="properties">zeppelin.notebook.storage</h6></td>
+    <td>org.apache.zeppelin.notebook.repo.GitNotebookRepo</td>
+    <td>Comma separated list of notebook storage locations</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_NOTEBOOK_ONE_WAY_SYNC</h6></td>
+    <td><h6 class="properties">zeppelin.notebook.one.way.sync</h6></td>
+    <td>false</td>
+    <td>If there are multiple notebook storage locations, should we treat the 
first one as the only source of truth?</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_NOTEBOOK_PUBLIC</h6></td>
+    <td><h6 class="properties">zeppelin.notebook.public</h6></td>
+    <td>true</td>
+    <td>Make notebook public (set only <code>owners</code>) by default when 
created/imported. If set to <code>false</code> will add <code>user</code> to 
<code>readers</code> and <code>writers</code> as well, making it private and 
invisible to other users unless permissions are granted.</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_INTERPRETER_DIR</h6></td>
+    <td><h6 class="properties">zeppelin.interpreter.dir</h6></td>
+    <td>interpreter</td>
+    <td>Interpreter directory</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_INTERPRETER_DEP_MVNREPO</h6></td>
+    <td><h6 class="properties">zeppelin.interpreter.dep.mvnRepo</h6></td>
+    <td>https://repo1.maven.org/maven2/</td>
+    <td>Remote principal repository for interpreter's additional dependency 
loading</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_INTERPRETER_OUTPUT_LIMIT</h6></td>
+    <td><h6 class="properties">zeppelin.interpreter.output.limit</h6></td>
+    <td>102400</td>
+    <td>Output message from interpreter exceeding the limit will be 
truncated</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_INTERPRETER_CONNECT_TIMEOUT</h6></td>
+    <td><h6 class="properties">zeppelin.interpreter.connect.timeout</h6></td>
+    <td>30000</td>
+    <td>Output message from interpreter exceeding the limit will be 
truncated</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_DEP_LOCALREPO</h6></td>
+    <td><h6 class="properties">zeppelin.dep.localrepo</h6></td>
+    <td>local-repo</td>
+    <td>Local repository for dependency loader.<br>ex)visualiztion modules of 
npm.</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_HELIUM_NODE_INSTALLER_URL</h6></td>
+    <td><h6 class="properties">zeppelin.helium.node.installer.url</h6></td>
+    <td>https://nodejs.org/dist/</td>
+    <td>Remote Node installer url for Helium dependency loader</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_HELIUM_NPM_INSTALLER_URL</h6></td>
+    <td><h6 class="properties">zeppelin.helium.npm.installer.url</h6></td>
+    <td>http://registry.npmjs.org/</td>
+    <td>Remote Npm installer url for Helium dependency loader</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_HELIUM_YARNPKG_INSTALLER_URL</h6></td>
+    <td><h6 class="properties">zeppelin.helium.yarnpkg.installer.url</h6></td>
+    <td>https://github.com/yarnpkg/yarn/releases/download/</td>
+    <td>Remote Yarn package installer url for Helium dependency loader</td>
+  </tr>
+  <tr>
+    <td><h6 
class="properties">ZEPPELIN_WEBSOCKET_MAX_TEXT_MESSAGE_SIZE</h6></td>
+    <td><h6 
class="properties">zeppelin.websocket.max.text.message.size</h6></td>
+    <td>1024000</td>
+    <td>Size(in characters) of the maximum text message that can be received 
by websocket.</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_SERVER_DEFAULT_DIR_ALLOWED</h6></td>
+    <td><h6 class="properties">zeppelin.server.default.dir.allowed</h6></td>
+    <td>false</td>
+    <td>Enable directory listings on server.</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_NOTEBOOK_GIT_REMOTE_URL</h6></td>
+    <td><h6 class="properties">zeppelin.notebook.git.remote.url</h6></td>
+    <td></td>
+    <td>GitHub's repository URL. It could be either the HTTP URL or the SSH 
URL. For example [email protected]:apache/zeppelin.git</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_NOTEBOOK_GIT_REMOTE_USERNAME</h6></td>
+    <td><h6 class="properties">zeppelin.notebook.git.remote.username</h6></td>
+    <td>token</td>
+    <td>GitHub username. By default it is `token` to use GitHub's API</td>
+  </tr>
+  <tr>
+    <td><h6 
class="properties">ZEPPELIN_NOTEBOOK_GIT_REMOTE_ACCESS_TOKEN</h6></td>
+    <td><h6 
class="properties">zeppelin.notebook.git.remote.access-token</h6></td>
+    <td>token</td>
+    <td>GitHub access token to use GitHub's API. If username/password 
combination is used and not GitHub API, then this value is the password</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_NOTEBOOK_GIT_REMOTE_ORIGIN</h6></td>
+    <td><h6 class="properties">zeppelin.notebook.git.remote.origin</h6></td>
+    <td>token</td>
+    <td>GitHub remote name. Default is `origin`</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_RUN_MODE</h6></td>
+    <td><h6 class="properties">zeppelin.run.mode</h6></td>
+    <td>auto</td>
+    <td>Run mode. 'auto|local|k8s'. 'auto' autodetect environment. 'local' 
runs interpreter as a local process. k8s runs interpreter on Kubernetes 
cluster</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_K8S_PORTFORWARD</h6></td>
+    <td><h6 class="properties">zeppelin.k8s.portforward</h6></td>
+    <td>false</td>
+    <td>Port forward to interpreter rpc port. Set 'true' only on local 
development when zeppelin.k8s.mode 'on'. Don't use 'true' on production 
environment</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_K8S_CONTAINER_IMAGE</h6></td>
+    <td><h6 class="properties">zeppelin.k8s.container.image</h6></td>
+    <td>apache/zeppelin:0.9.0</td>
+    <td>Docker image for interpreters</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_K8S_SPARK_CONTAINER_IMAGE</h6></td>
+    <td><h6 class="properties">zeppelin.k8s.spark.container.image</h6></td>
+    <td>apache/spark:latest</td>
+    <td>Docker image for Spark executors</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_K8S_TEMPLATE_DIR</h6></td>
+    <td><h6 class="properties">zeppelin.k8s.template.dir</h6></td>
+    <td>k8s</td>
+    <td>Kubernetes yaml spec files</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_K8S_SERVICE_NAME</h6></td>
+    <td><h6 class="properties">zeppelin.k8s.service.name</h6></td>
+    <td>zeppelin-server</td>
+    <td>Name of the Zeppelin server service resources</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_K8S_TIMEOUT_DURING_PENDING</h6></td>
+    <td><h6 class="properties">zeppelin.k8s.timeout.during.pending</h6></td>
+    <td>true</td>
+    <td>Value to enable/disable timeout handling when starting Interpreter 
Pods. Caution: This can lead to an infinity loop</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_METRIC_ENABLE_PROMETHEUS</h6></td>
+    <td><h6 class="properties">zeppelin.metric.enable.prometheus</h6></td>
+    <td>false</td>
+    <td>Value to enable/disable Prometheus metric endpoint on /metric</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_NOTEBOOK_CRON_ENABLE</h6></td>
+    <td><h6 class="properties">zeppelin.notebook.cron.enable</h6></td>
+    <td>false</td>
+    <td>Value to enable/disable Cron support in Notes</td>
+  </tr>
+  <tr>
+    <td><h6 class="properties">ZEPPELIN_NOTEBOOK_CRON_FOLDERS</h6></td>
+    <td><h6 class="properties">zeppelin.notebook.cron.folders</h6></td>
+    <td></td>
+    <td>comma-separated list of folder, where cron is allowed</td>
+  </tr>
+</table>
+
+<h2>SSL Configuration</h2>
+
+<p>Enabling SSL requires a few configuration changes. First, you need to 
create certificates and then update necessary configurations to enable server 
side SSL and/or client side certificate authentication.</p>
+
+<h3>Creating and configuring the Certificates</h3>
+
+<p>Information how about to generate certificates and a keystore can be found 
<a href="https://wiki.eclipse.org/Jetty/Howto/Configure_SSL";>here</a>.</p>
+
+<p>A condensed example can be found in the top answer to this <a 
href="http://stackoverflow.com/questions/4008837/configure-ssl-on-jetty";>StackOverflow
 post</a>.</p>
+
+<p>The keystore holds the private key and certificate on the server end. The 
trustore holds the trusted client certificates. Be sure that the path and 
password for these two stores are correctly configured in the password fields 
below. They can be obfuscated using the Jetty password tool. After Maven pulls 
in all the dependency to build Zeppelin, one of the Jetty jars contain the 
Password tool. Invoke this command from the Zeppelin home build directory with 
the appropriate version, user, and password.</p>
+<div class="highlight"><pre><code class="bash language-bash" 
data-lang="bash">java -cp 
./zeppelin-server/target/lib/jetty-all-server-&lt;version&gt;.jar <span 
class="se">\</span>
+org.eclipse.jetty.util.security.Password &lt;user&gt; &lt;password&gt;
+</code></pre></div>
+<p>If you are using a self-signed, a certificate signed by an untrusted CA, or 
if client authentication is enabled, then the client must have a browser create 
exceptions for both the normal HTTPS port and WebSocket port. This can by done 
by trying to establish an HTTPS connection to both ports in a browser (e.g. if 
the ports are 443 and 8443, then visit https://127.0.0.1:443 and 
https://127.0.0.1:8443). This step can be skipped if the server certificate is 
signed by a trusted CA and client auth is disabled.</p>
+
+<h3>Configuring server side SSL</h3>
+
+<p>The following properties needs to be updated in the 
<code>zeppelin-site.xml</code> in order to enable server side SSL.</p>
+<div class="highlight"><pre><code class="xml language-xml" 
data-lang="xml"><span class="nt">&lt;property&gt;</span>
+  <span class="nt">&lt;name&gt;</span>zeppelin.server.ssl.port<span 
class="nt">&lt;/name&gt;</span>
+  <span class="nt">&lt;value&gt;</span>8443<span 
class="nt">&lt;/value&gt;</span>
+  <span class="nt">&lt;description&gt;</span>Server ssl port. (used when ssl 
property is set to true)<span class="nt">&lt;/description&gt;</span>
+<span class="nt">&lt;/property&gt;</span>
+
+<span class="nt">&lt;property&gt;</span>
+  <span class="nt">&lt;name&gt;</span>zeppelin.ssl<span 
class="nt">&lt;/name&gt;</span>
+  <span class="nt">&lt;value&gt;</span>true<span 
class="nt">&lt;/value&gt;</span>
+  <span class="nt">&lt;description&gt;</span>Should SSL be used by the 
servers?<span class="nt">&lt;/description&gt;</span>
+<span class="nt">&lt;/property&gt;</span>
+
+<span class="nt">&lt;property&gt;</span>
+  <span class="nt">&lt;name&gt;</span>zeppelin.ssl.keystore.path<span 
class="nt">&lt;/name&gt;</span>
+  <span class="nt">&lt;value&gt;</span>keystore<span 
class="nt">&lt;/value&gt;</span>
+  <span class="nt">&lt;description&gt;</span>Path to keystore relative to 
Zeppelin configuration directory<span class="nt">&lt;/description&gt;</span>
+<span class="nt">&lt;/property&gt;</span>
+
+<span class="nt">&lt;property&gt;</span>
+  <span class="nt">&lt;name&gt;</span>zeppelin.ssl.keystore.type<span 
class="nt">&lt;/name&gt;</span>
+  <span class="nt">&lt;value&gt;</span>JKS<span 
class="nt">&lt;/value&gt;</span>
+  <span class="nt">&lt;description&gt;</span>The format of the given keystore 
(e.g. JKS or PKCS12)<span class="nt">&lt;/description&gt;</span>
+<span class="nt">&lt;/property&gt;</span>
+
+<span class="nt">&lt;property&gt;</span>
+  <span class="nt">&lt;name&gt;</span>zeppelin.ssl.keystore.password<span 
class="nt">&lt;/name&gt;</span>
+  <span class="nt">&lt;value&gt;</span>change me<span 
class="nt">&lt;/value&gt;</span>
+  <span class="nt">&lt;description&gt;</span>Keystore password. Can be 
obfuscated by the Jetty Password tool<span 
class="nt">&lt;/description&gt;</span>
+<span class="nt">&lt;/property&gt;</span>
+
+<span class="nt">&lt;property&gt;</span>
+  <span class="nt">&lt;name&gt;</span>zeppelin.ssl.key.manager.password<span 
class="nt">&lt;/name&gt;</span>
+  <span class="nt">&lt;value&gt;</span>change me<span 
class="nt">&lt;/value&gt;</span>
+  <span class="nt">&lt;description&gt;</span>Key Manager password. Defaults to 
keystore password. Can be obfuscated.<span 
class="nt">&lt;/description&gt;</span>
+<span class="nt">&lt;/property&gt;</span>
+</code></pre></div>
+<h3>Enabling client side certificate authentication</h3>
+
+<p>The following properties needs to be updated in the 
<code>zeppelin-site.xml</code> in order to enable client side certificate 
authentication.</p>
+<div class="highlight"><pre><code class="xml language-xml" 
data-lang="xml"><span class="nt">&lt;property&gt;</span>
+  <span class="nt">&lt;name&gt;</span>zeppelin.server.ssl.port<span 
class="nt">&lt;/name&gt;</span>
+  <span class="nt">&lt;value&gt;</span>8443<span 
class="nt">&lt;/value&gt;</span>
+  <span class="nt">&lt;description&gt;</span>Server ssl port. (used when ssl 
property is set to true)<span class="nt">&lt;/description&gt;</span>
+<span class="nt">&lt;/property&gt;</span>
+
+<span class="nt">&lt;property&gt;</span>
+  <span class="nt">&lt;name&gt;</span>zeppelin.ssl.client.auth<span 
class="nt">&lt;/name&gt;</span>
+  <span class="nt">&lt;value&gt;</span>true<span 
class="nt">&lt;/value&gt;</span>
+  <span class="nt">&lt;description&gt;</span>Should client authentication be 
used for SSL connections?<span class="nt">&lt;/description&gt;</span>
+<span class="nt">&lt;/property&gt;</span>
+
+<span class="nt">&lt;property&gt;</span>
+  <span class="nt">&lt;name&gt;</span>zeppelin.ssl.truststore.path<span 
class="nt">&lt;/name&gt;</span>
+  <span class="nt">&lt;value&gt;</span>truststore<span 
class="nt">&lt;/value&gt;</span>
+  <span class="nt">&lt;description&gt;</span>Path to truststore relative to 
Zeppelin configuration directory. Defaults to the keystore path<span 
class="nt">&lt;/description&gt;</span>
+<span class="nt">&lt;/property&gt;</span>
+
+<span class="nt">&lt;property&gt;</span>
+  <span class="nt">&lt;name&gt;</span>zeppelin.ssl.truststore.type<span 
class="nt">&lt;/name&gt;</span>
+  <span class="nt">&lt;value&gt;</span>JKS<span 
class="nt">&lt;/value&gt;</span>
+  <span class="nt">&lt;description&gt;</span>The format of the given 
truststore (e.g. JKS or PKCS12). Defaults to the same type as the keystore 
type<span class="nt">&lt;/description&gt;</span>
+<span class="nt">&lt;/property&gt;</span>
+
+<span class="nt">&lt;property&gt;</span>
+  <span class="nt">&lt;name&gt;</span>zeppelin.ssl.truststore.password<span 
class="nt">&lt;/name&gt;</span>
+  <span class="nt">&lt;value&gt;</span>change me<span 
class="nt">&lt;/value&gt;</span>
+  <span class="nt">&lt;description&gt;</span>Truststore password. Can be 
obfuscated by the Jetty Password tool. Defaults to the keystore password<span 
class="nt">&lt;/description&gt;</span>
+<span class="nt">&lt;/property&gt;</span>
+</code></pre></div>
+<h3>Storing user credentials</h3>
+
+<p>In order to avoid having to re-enter credentials every time you 
restart/redeploy Zeppelin, you can store the user credentials. Zeppelin 
supports this via the ZEPPELIN<em>CREDENTIALS</em>PERSIST configuration.</p>
+
+<p>Please notice that passwords will be stored in <em>plain text</em> by 
default. To encrypt the passwords, use the 
ZEPPELIN<em>CREDENTIALS</em>ENCRYPT_KEY config variable. This will encrypt 
passwords using the AES-128 algorithm.</p>
+
+<p>You can generate an appropriate encryption key any way you&#39;d like - for 
instance, by using the openssl tool:</p>
+<div class="highlight"><pre><code class="bash language-bash" 
data-lang="bash">openssl enc -aes-128-cbc -k secret -P -md sha1
+</code></pre></div>
+<p><em>Important</em>: storing your encryption key in a configuration file is 
<em>not advised</em>. Depending on your environment security needs, you may 
want to consider utilizing a credentials server, storing the 
ZEPPELIN<em>CREDENTIALS</em>ENCRYPT_KEY as an OS env variable, or any other 
approach that would not colocate the encryption key and the encrypted content 
(the credentials.json file).</p>
+
+<h3>Obfuscating Passwords using the Jetty Password Tool</h3>
+
+<p>Security best practices advise to not use plain text passwords and Jetty 
provides a password tool to help obfuscating the passwords used to access the 
KeyStore and TrustStore.</p>
+
+<p>The Password tool documentation can be found <a 
href="http://www.eclipse.org/jetty/documentation/current/configuring-security-secure-passwords.html";>here</a>.</p>
+
+<p>After using the tool:</p>
+<div class="highlight"><pre><code class="bash language-bash" 
data-lang="bash">java -cp <span 
class="nv">$ZEPPELIN_HOME</span>/zeppelin-server/target/lib/jetty-util-9.2.15.v20160210.jar
 <span class="se">\</span>
+         org.eclipse.jetty.util.security.Password  <span class="se">\</span>
+         password
+
+2016-12-15 10:46:47.931:INFO::main: Logging initialized @101ms
+password
+OBF:1v2j1uum1xtv1zej1zer1xtn1uvk1v1v
+MD5:5f4dcc3b5aa765d61d8327deb882cf99
+</code></pre></div>
+<p>update your configuration with the obfuscated password :</p>
+<div class="highlight"><pre><code class="xml language-xml" 
data-lang="xml"><span class="nt">&lt;property&gt;</span>
+  <span class="nt">&lt;name&gt;</span>zeppelin.ssl.keystore.password<span 
class="nt">&lt;/name&gt;</span>
+  <span 
class="nt">&lt;value&gt;</span>OBF:1v2j1uum1xtv1zej1zer1xtn1uvk1v1v<span 
class="nt">&lt;/value&gt;</span>
+  <span class="nt">&lt;description&gt;</span>Keystore password. Can be 
obfuscated by the Jetty Password tool<span 
class="nt">&lt;/description&gt;</span>
+<span class="nt">&lt;/property&gt;</span>
+</code></pre></div>
+<h3>Create GitHub Access Token</h3>
+
+<p>When using GitHub to track notebooks, one can use GitHub&#39;s API for 
authentication. To create an access token, please use the following link 
https://github.com/settings/tokens.
+The value of the access token generated is set in the 
<code>zeppelin.notebook.git.remote.access-token</code> property.</p>
+
+<p><strong>Note:</strong> After updating these configurations, Zeppelin server 
needs to be restarted.</p>
+
+  </div>
+</div>
+
+
+      <hr>
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+        <!-- <p>&copy; 2020 The Apache Software Foundation</p>-->
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+

Added: zeppelin/site/docs/0.9.0/setup/operation/monitoring.html
URL: 
http://svn.apache.org/viewvc/zeppelin/site/docs/0.9.0/setup/operation/monitoring.html?rev=1884775&view=auto
==============================================================================
--- zeppelin/site/docs/0.9.0/setup/operation/monitoring.html (added)
+++ zeppelin/site/docs/0.9.0/setup/operation/monitoring.html Thu Dec 24 
14:36:01 2020
@@ -0,0 +1,322 @@
+
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Apache Zeppelin 0.9.0 Documentation: Apache Zeppelin 
Monitoring</title>
+    <meta name="description" content="This page shows you the monitoring 
options you have in Apache Zeppelin">
+    <meta name="author" content="The Apache Software Foundation">
+
+    <!-- Enable responsive viewport -->
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+
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+    <![endif]-->
+
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href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" 
rel="stylesheet">
+
+    <!-- Le styles -->
+    <link 
href="/docs/0.9.0/assets/themes/zeppelin/bootstrap/css/bootstrap.css" 
rel="stylesheet">
+    <link href="/docs/0.9.0/assets/themes/zeppelin/css/style.css?body=1" 
rel="stylesheet" type="text/css">
+    <link href="/docs/0.9.0/assets/themes/zeppelin/css/syntax.css" 
rel="stylesheet"  type="text/css" media="screen" /> 
+    <!-- Le fav and touch icons -->
+    <!-- Update these with your own images
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+    <script 
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+
+    <!-- atom & rss feed -->
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rel="alternate" title="Sitewide ATOM Feed">
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rel="alternate" title="Sitewide RSS Feed">
+  </head>
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+    
+        <div id="menu" class="navbar navbar-inverse navbar-fixed-top" 
role="navigation">
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+              <img 
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+                   style="margin-top: -2px;" alt="I'm zeppelin">
+              <span style="margin-left: 5px; font-size: 27px;">Zeppelin</span>
+              <a class="navbar-brand-version" href="/docs/0.9.0"
+                 style="font-size: 15px; color: white;"> 0.9.0
+              </a>
+            </a>
+          </div>
+        </div>
+        <nav class="navbar-collapse collapse" role="navigation">
+          <ul class="nav navbar-nav">
+            <li>
+              <a href="#" data-toggle="dropdown" class="dropdown-toggle">Quick 
Start <b class="caret"></b></a>
+              <ul class="dropdown-menu">
+                <li class="title"><span>Getting Started</span></li>
+                <li><a 
href="/docs/0.9.0/quickstart/install.html">Install</a></li>
+                <li><a href="/docs/0.9.0/quickstart/explore_ui.html">Explore 
UI</a></li>
+                <li><a 
href="/docs/0.9.0/quickstart/tutorial.html">Tutorial</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Run Mode</span></li>
+                <li><a 
href="/docs/0.9.0/quickstart/kubernetes.html">Kubernetes</a></li>
+                <li><a 
href="/docs/0.9.0/quickstart/docker.html">Docker</a></li>
+                <li><a href="/docs/0.9.0/quickstart/yarn.html">Yarn</a></li>
+                <li role="separator" class="divider"></li>
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href="/docs/0.9.0/quickstart/spark_with_zeppelin.html">Spark with 
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href="/docs/0.9.0/quickstart/python_with_zeppelin.html">Python with 
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+              </ul>
+            </li>
+
+            <li>
+              <a href="#" data-toggle="dropdown" 
class="dropdown-toggle">Usage<b class="caret"></b></a>
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+                <li><a href="/docs/0.9.0/usage/dynamic_form/intro.html">What 
is Dynamic Form?</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Display System</span></li>
+                <li><a 
href="/docs/0.9.0/usage/display_system/basic.html#text">Text Display</a></li>
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href="/docs/0.9.0/usage/display_system/basic.html#table">Table Display</a></li>
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href="/docs/0.9.0/usage/display_system/basic.html#network">Network 
Display</a></li>
+                <li><a 
href="/docs/0.9.0/usage/display_system/angular_backend.html">Angular Display 
using Backend API</a></li>
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href="/docs/0.9.0/usage/display_system/angular_frontend.html">Angular Display 
using Frontend API</a></li>
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+                <li><a 
href="/docs/0.9.0/usage/interpreter/overview.html">Overview</a></li>
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href="/docs/0.9.0/usage/interpreter/interpreter_binding_mode.html">Interpreter 
Binding Mode</a></li>
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href="/docs/0.9.0/usage/interpreter/user_impersonation.html">User 
Impersonation</a></li>
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href="/docs/0.9.0/usage/interpreter/dependency_management.html">Dependency 
Management</a></li>
+                <li><a 
href="/docs/0.9.0/usage/interpreter/installation.html">Installing 
Interpreters</a></li>
+                <!--<li><a 
href="/docs/0.9.0/usage/interpreter/dynamic_loading.html">Dynamic Interpreter 
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href="/docs/0.9.0/usage/other_features/customizing_homepage.html">Customizing 
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href="/docs/0.9.0/usage/other_features/notebook_actions.html">Notebook 
Actions</a></li>
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href="/docs/0.9.0/usage/other_features/cron_scheduler.html">Cron 
Scheduler</a></li>
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+                <li><a 
href="/docs/0.9.0/usage/rest_api/notebook.html">Notebook API</a></li>
+                <li><a 
href="/docs/0.9.0/usage/rest_api/notebook_repository.html">Notebook Repository 
API</a></li>
+                <li><a 
href="/docs/0.9.0/usage/rest_api/configuration.html">Configuration API</a></li>
+                <li><a 
href="/docs/0.9.0/usage/rest_api/credential.html">Credential API</a></li>
+                <li><a href="/docs/0.9.0/usage/rest_api/helium.html">Helium 
API</a></li>
+              </ul>
+            </li>
+
+            <li>
+              <a href="#" data-toggle="dropdown" 
class="dropdown-toggle">Setup<b class="caret"></b></a>
+              <ul class="dropdown-menu scrollable-menu">
+                <li class="title"><span>Basics</span></li>
+                <li><a href="/docs/0.9.0/setup/basics/how_to_build.html">How 
to Build Zeppelin</a></li>
+                <li><a 
href="/docs/0.9.0/setup/basics/hadoop_integration.html">Hadoop 
Integration</a></li>
+                <li><a 
href="/docs/0.9.0/setup/basics/multi_user_support.html">Multi-user 
Support</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Deployment</span></li>
+                <!--<li><a 
href="/docs/0.9.0/setup/deployment/docker.html">Docker Image for 
Zeppelin</a></li>-->
+                <li><a 
href="/docs/0.9.0/setup/deployment/spark_cluster_mode.html#spark-standalone-mode">Spark
 Cluster Mode: Standalone</a></li>
+                <li><a 
href="/docs/0.9.0/setup/deployment/spark_cluster_mode.html#spark-on-yarn-mode">Spark
 Cluster Mode: YARN</a></li>
+                <li><a 
href="/docs/0.9.0/setup/deployment/spark_cluster_mode.html#spark-on-mesos-mode">Spark
 Cluster Mode: Mesos</a></li>
+                <li><a 
href="/docs/0.9.0/setup/deployment/flink_and_spark_cluster.html">Zeppelin with 
Flink, Spark Cluster</a></li>
+                <li><a href="/docs/0.9.0/setup/deployment/cdh.html">Zeppelin 
on CDH</a></li>
+                <li><a 
href="/docs/0.9.0/setup/deployment/virtual_machine.html">Zeppelin on VM: 
Vagrant</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Security</span></li>
+                <li><a 
href="/docs/0.9.0/setup/security/authentication_nginx.html">HTTP Basic Auth 
using NGINX</a></li>
+                <li><a 
href="/docs/0.9.0/setup/security/shiro_authentication.html">Shiro 
Authentication</a></li>
+                <li><a 
href="/docs/0.9.0/setup/security/notebook_authorization.html">Notebook 
Authorization</a></li>
+                <li><a 
href="/docs/0.9.0/setup/security/datasource_authorization.html">Data Source 
Authorization</a></li>
+                <li><a 
href="/docs/0.9.0/setup/security/http_security_headers.html">HTTP Security 
Headers</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Notebook Storage</span></li>
+                <li><a 
href="/docs/0.9.0/setup/storage/storage.html#notebook-storage-in-local-git-repository">Git
 Storage</a></li>
+                <li><a 
href="/docs/0.9.0/setup/storage/storage.html#notebook-storage-in-s3">S3 
Storage</a></li>
+                <li><a 
href="/docs/0.9.0/setup/storage/storage.html#notebook-storage-in-azure">Azure 
Storage</a></li>
+                <li><a 
href="/docs/0.9.0/setup/storage/storage.html#notebook-storage-in-oss">OSS 
Storage</a></li>
+                <li><a 
href="/docs/0.9.0/setup/storage/storage.html#notebook-storage-in-zeppelinhub">ZeppelinHub
 Storage</a></li>
+                <li><a 
href="/docs/0.9.0/setup/storage/storage.html#notebook-storage-in-mongodb">MongoDB
 Storage</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Operation</span></li>
+                <li><a 
href="/docs/0.9.0/setup/operation/configuration.html">Configuration</a></li>
+                <li><a 
href="/docs/0.9.0/setup/operation/proxy_setting.html">Proxy Setting</a></li>
+                <li><a 
href="/docs/0.9.0/setup/operation/upgrading.html">Upgrading</a></li>
+                <li><a 
href="/docs/0.9.0/setup/operation/trouble_shooting.html">Trouble 
Shooting</a></li>
+              </ul>
+            </li>
+
+            <li>
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class="dropdown-toggle">Interpreter <b class="caret"></b></a>
+              <ul class="dropdown-menu scrollable-menu">
+                <li class="title"><span>Interpreters</span></li>
+                <li><a 
href="/docs/0.9.0/usage/interpreter/overview.html">Overview</a></li>
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href="/docs/0.9.0/interpreter/bigquery.html">BigQuery</a></li>
+                <li><a 
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+                <li><a 
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+                <li><a href="/docs/0.9.0/interpreter/flink.html">Flink</a></li>
+                <li><a href="/docs/0.9.0/interpreter/geode.html">Geode</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/groovy.html">Groovy</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/hazelcastjet.html">Hazelcast Jet</a></li>
+                <li><a href="/docs/0.9.0/interpreter/hbase.html">HBase</a></li>
+                <li><a href="/docs/0.9.0/interpreter/hdfs.html">HDFS</a></li>
+                <li><a href="/docs/0.9.0/interpreter/hive.html">Hive</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/ignite.html">Ignite</a></li>
+                <li><a href="/docs/0.9.0/interpreter/java.html">Java</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/jupyter.html">Jupyter</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/kotlin.html">Kotlin</a></li>
+                <li><a href="/docs/0.9.0/interpreter/kylin.html">Kylin</a></li>
+                <li><a href="/docs/0.9.0/interpreter/lens.html">Lens</a></li>
+                <li><a href="/docs/0.9.0/interpreter/livy.html">Livy</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/markdown.html">Markdown</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/mongodb.html">MongoDB</a></li>
+                <li><a href="/docs/0.9.0/interpreter/neo4j.html">Neo4j</a></li>
+                <li><a href="/docs/0.9.0/interpreter/pig.html">Pig</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/postgresql.html">Postgresql, HAWQ</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/scalding.html">Scalding</a></li>
+                <li><a href="/docs/0.9.0/interpreter/scio.html">Scio</a></li>
+                <li><a href="/docs/0.9.0/interpreter/shell.html">Shell</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/sparql.html">Sparql</a></li>
+                <li><a 
href="/docs/0.9.0/interpreter/submarine.html">Submarine</a></li>
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+            <li>
+              <a href="#" data-toggle="dropdown" 
class="dropdown-toggle">More<b class="caret"></b></a>
+              <ul class="dropdown-menu scrollable-menu" style="right: 0; left: 
auto;">
+                <li class="title"><span>Extending Zeppelin</span></li>
+                <li><a 
href="/docs/0.9.0/development/writing_zeppelin_interpreter.html">Writing 
Zeppelin Interpreter</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Helium (Experimental)</span></li>
+                <li><a 
href="/docs/0.9.0/development/helium/overview.html">Overview</a></li>
+                <li><a 
href="/docs/0.9.0/development/helium/writing_application.html">Writing Helium 
Application</a></li>
+                <li><a 
href="/docs/0.9.0/development/helium/writing_spell.html">Writing Helium 
Spell</a></li>
+                <li><a 
href="/docs/0.9.0/development/helium/writing_visualization_basic.html">Writing 
Helium Visualization: Basics</a></li>
+                <li><a 
href="/docs/0.9.0/development/helium/writing_visualization_transformation.html">Writing
 Helium Visualization: Transformation</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>Contributing to Zeppelin</span></li>
+                <li><a href="/docs/0.9.0/setup/basics/how_to_build.html">How 
to Build Zeppelin</a></li>
+                <li><a 
href="/docs/0.9.0/development/contribution/useful_developer_tools.html">Useful 
Developer Tools</a></li>
+                <li><a 
href="/docs/0.9.0/development/contribution/how_to_contribute_code.html">How to 
Contribute (code)</a></li>
+                <li><a 
href="/docs/0.9.0/development/contribution/how_to_contribute_website.html">How 
to Contribute (website)</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span>External Resources</span></li>
+                <li><a target="_blank" 
href="https://zeppelin.apache.org/community.html";>Mailing List</a></li>
+                <li><a target="_blank" 
href="https://cwiki.apache.org/confluence/display/ZEPPELIN/Zeppelin+Home";>Apache
 Zeppelin Wiki</a></li>
+                <li><a target="_blank" 
href="http://stackoverflow.com/questions/tagged/apache-zeppelin";>Stackoverflow 
Questions about Zeppelin</a></li>
+              </ul>
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+      </div>
+    </div>
+
+
+
+    <div class="content">
+      
+<!--<div class="hero-unit Apache Zeppelin Monitoring">
+  <h1></h1>
+</div>
+-->
+
+<div class="row">
+  <div class="col-md-12">
+    <!--
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+
+<h1>Apache Zeppelin Monitoring</h1>
+
+<div id="toc"></div>
+
+<h2>Monitoring Options</h2>
+
+<p>Apache Zeppelin is using <a href="https://micrometer.io/";>Micrometer</a> - 
a vendor-neutral application metrics facade.</p>
+
+<h3>Prometheus Monitoring</h3>
+
+<p><a href="https://prometheus.io/";>Prometheus</a> is the leading monitoring 
solution for <a href="https://kubernetes.io/";>Kubernetes</a>. The Prometheus 
endpoint can be activated with the configuration property 
<code>zeppelin.metric.enable.prometheus</code>. The metrics are accessible via 
the unauthenticated endpoint <code>/metrics</code>.</p>
+
+<h3>JMX Monitoring</h3>
+
+<p><a href="https://en.wikipedia.org/wiki/Java_Management_Extensions";>JMX</a> 
is a general solution for monitoring Java applications. JMX can be activated 
with the configuration property <code>zeppelin.jmx.enable</code>. The default 
port 9996 can be changed with the configuration property 
<code>zeppelin.jmx.port</code>.</p>
+
+<h2>Healthcheck Probe</h2>
+
+<p>Apache Zeppelin has two healthcheck related unauthenticated endpoints 
(<code>/health/readiness</code>, <code>/health/liveness</code>) that could be 
used for proxy and/or cloud setups.</p>
+
+  </div>
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