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From mina...@apache.org
Subject svn commit: r1751605 [27/38] - in /zeppelin/site/docs: 0.6.0-SNAPSHOT/ 0.6.0/ 0.6.0/assets/ 0.6.0/assets/themes/ 0.6.0/assets/themes/zeppelin/ 0.6.0/assets/themes/zeppelin/bootstrap/ 0.6.0/assets/themes/zeppelin/bootstrap/css/ 0.6.0/assets/themes/zeppe...
Date Wed, 06 Jul 2016 06:25:35 GMT
Added: zeppelin/site/docs/0.7.0-SNAPSHOT/install/virtual_machine.html
URL: http://svn.apache.org/viewvc/zeppelin/site/docs/0.7.0-SNAPSHOT/install/virtual_machine.html?rev=1751605&view=auto
==============================================================================
--- zeppelin/site/docs/0.7.0-SNAPSHOT/install/virtual_machine.html (added)
+++ zeppelin/site/docs/0.7.0-SNAPSHOT/install/virtual_machine.html Wed Jul  6 06:25:29 2016
@@ -0,0 +1,368 @@
+
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Install A Zeppelin ready Virtual Machine</title>
+    <meta name="description" content="">
+    <meta name="author" content="The Apache Software Foundation">
+
+    <!-- Enable responsive viewport -->
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+
+  <body>
+    
+        <div id="menu" class="navbar navbar-inverse navbar-fixed-top" role="navigation">
+      <div class="container">
+        <div class="navbar-header">
+          <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
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+            <span class="icon-bar"></span>
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+          <a class="navbar-brand" href="/docs/0.7.0-SNAPSHOT">
+            <img src="/assets/themes/zeppelin/img/zeppelin_logo.png" width="50" alt="I'm zeppelin">
+            <span style="vertical-align:middle">Zeppelin</span>
+            <span style="vertical-align:baseline"><small>0.7.0-SNAPSHOT</small></span>
+          </a>
+        </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><a href="/docs/0.7.0-SNAPSHOT/index.html">What is Apache Zeppelin ?</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span><b>Getting Started</b><span></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/install/install.html">Install</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/install/install.html#apache-zeppelin-configuration">Configuration</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/quickstart/explorezeppelinui.html">Explore Zeppelin UI</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/quickstart/tutorial.html">Tutorial</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span><b>Basic Feature Guide</b><span></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/manual/dynamicform.html">Dynamic Form</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/manual/publish.html">Publish your Paragraph</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/manual/notebookashomepage.html">Customize Zeppelin Homepage</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span><b>More</b><span></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/install/virtual_machine.html">Zeppelin on Vagrant VM</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/install/upgrade.html">Upgrade Zeppelin Version</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><a href="/docs/0.7.0-SNAPSHOT/manual/interpreters.html">Overview</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span><b>Usage</b><span></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/manual/interpreterinstallation.html">Interpreter Installation</a></li>
+                <!--<li><a href="/docs/0.7.0-SNAPSHOT/manual/dynamicinterpreterload.html">Dynamic Interpreter Loading</a></li>-->
+                <li><a href="/docs/0.7.0-SNAPSHOT/manual/dependencymanagement.html">Interpreter Dependency Management</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span><b>Available Interpreters</b><span></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/alluxio.html">Alluxio</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/cassandra.html">Cassandra</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/elasticsearch.html">Elasticsearch</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/flink.html">Flink</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/geode.html">Geode</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/hbase.html">HBase</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/hdfs.html">HDFS</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/hive.html">Hive</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/ignite.html">Ignite</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/jdbc.html">JDBC</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/lens.html">Lens</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/livy.html">Livy</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/markdown.html">Markdown</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/python.html">Python</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/postgresql.html">Postgresql, HAWQ</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/r.html">R</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/scalding.html">Scalding</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/pleasecontribute.html">Shell</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/spark.html">Spark</a></li>
+              </ul>
+            </li>
+            <li>
+              <a href="#" data-toggle="dropdown" class="dropdown-toggle">Display System <b class="caret"></b></a>
+              <ul class="dropdown-menu">
+                <li class="title"><span><b>Basic Display System</b><span></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/displaysystem/basicdisplaysystem.html#text">Text</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/displaysystem/basicdisplaysystem.html#html">Html</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/displaysystem/basicdisplaysystem.html#table">Table</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span><b>Angular API</b><span></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/displaysystem/back-end-angular.html">Angular (backend API)</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/displaysystem/front-end-angular.html">Angular (frontend API)</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><b>Notebook Storage</b><span></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/storage/storage.html#notebook-storage-in-local-git-repository">Git Storage</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/storage/storage.html#notebook-storage-in-s3">S3 Storage</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/storage/storage.html#notebook-storage-in-azure">Azure Storage</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/storage/storage.html#storage-in-zeppelinhub">ZeppelinHub Storage</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span><b>REST API</b><span></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/rest-api/rest-interpreter.html">Interpreter API</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/rest-api/rest-notebook.html">Notebook API</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/rest-api/rest-configuration.html">Configuration API</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/rest-api/rest-credential.html">Credential API</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span><b>Security</b><span></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/security/authentication.html">Authentication for NGINX</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/security/shiroauthentication.html">Shiro Authentication</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/security/notebook_authorization.html">Notebook Authorization</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/security/interpreter_authorization.html">Interpreter & Data Resource Authorization</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span><b>Contibute</b><span></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/development/writingzeppelininterpreter.html">Writing Zeppelin Interpreter</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/development/writingzeppelinapplication.html">Writing Zeppelin Application</a></li>                
+                <li><a href="/docs/0.7.0-SNAPSHOT/development/howtocontribute.html">How to contribute (code)</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/development/howtocontributewebsite.html">How to contribute (website)</a></li>
+              </ul>
+            </li>
+          </ul>
+        </nav><!--/.navbar-collapse -->
+      </div>
+    </div>
+    
+
+    <div class="content">
+      
+<!--<div class="hero-unit Install A Zeppelin ready Virtual Machine">
+  <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>Vagrant Virtual Machine for Apache Zeppelin</h1>
+
+<div id="toc"></div>
+
+<h2>Overview</h2>
+
+<p>Apache Zeppelin distribution includes a scripts directory</p>
+
+<p><code>scripts/vagrant/zeppelin-dev</code></p>
+
+<p>This script creates a virtual machine that launches a repeatable, known set of core dependencies required for developing Zeppelin.  It can also be used to run an existing Zeppelin build if you don&#39;t plan to build from source.
+For PySpark users, this script includes several helpful <a href="#python-extras">Python Libraries</a>.
+For SparkR users, this script includes several helpful <a href="#r-extras">R Libraries</a>.</p>
+
+<h3>Prerequisites</h3>
+
+<p>This script requires three applications, <a href="http://docs.ansible.com/ansible/intro_installation.html#latest-releases-via-pip" title="Ansible">Ansible</a>, <a href="http://www.vagrantup.com" title="Vagrant">Vagrant</a> and <a href="https://www.virtualbox.org/" title="Virtual Box">Virtual Box</a>.  All of these applications are freely available as Open Source projects and extremely easy to set up on most operating systems.</p>
+
+<h2>Create a Zeppelin Ready VM</h2>
+
+<p>If you are running Windows and don&#39;t yet have python installed, <a href="https://www.python.org/downloads/release/python-2710/">install Python 2.7.x</a> first.</p>
+
+<ol>
+<li>Download and Install Vagrant:  <a href="http://www.vagrantup.com/downloads.html">Vagrant Downloads</a></li>
+<li><p>Install Ansible:  <a href="http://docs.ansible.com/ansible/intro_installation.html#latest-releases-via-pip">Ansible Python pip install</a></p>
+<div class="highlight"><pre><code class="text language-text" data-lang="text">sudo easy_install pip
+sudo pip install ansible
+ansible --version
+</code></pre></div>
+<p>After then, please check whether it reports <strong>ansible version 1.9.2 or higher</strong>.</p></li>
+<li><p>Install Virtual Box: <a href="https://www.virtualbox.org/" title="Virtual Box">Virtual Box Downloads</a></p></li>
+<li><p>Type <code>vagrant up</code>  from within the <code>/scripts/vagrant/zeppelin-dev</code> directory</p></li>
+</ol>
+
+<p>Thats it ! You can now run <code>vagrant ssh</code> and this will place you into the guest machines terminal prompt.</p>
+
+<p>If you don&#39;t wish to build Zeppelin from scratch, run the z-manager installer script while running in the guest VM:</p>
+<div class="highlight"><pre><code class="text language-text" data-lang="text">curl -fsSL https://raw.githubusercontent.com/NFLabs/z-manager/master/zeppelin-installer.sh | bash
+</code></pre></div>
+<h2>Building Zeppelin</h2>
+
+<p>You can now </p>
+<div class="highlight"><pre><code class="text language-text" data-lang="text">git clone git://git.apache.org/zeppelin.git
+</code></pre></div>
+<p>into a directory on your host machine, or directly in your virtual machine.</p>
+
+<p>Cloning Zeppelin into the <code>/scripts/vagrant/zeppelin-dev</code> directory from the host, will allow the directory to be shared between your host and the guest machine.</p>
+
+<p>Cloning the project again may seem counter intuitive, since this script likley originated from the project repository.  Consider copying just the vagrant/zeppelin-dev script from the Zeppelin project as a stand alone directory, then once again clone the specific branch you wish to build.</p>
+
+<p>Synced folders enable Vagrant to sync a folder on the host machine to the guest machine, allowing you to continue working on your project&#39;s files on your host machine, but use the resources in the guest machine to compile or run your project. <em><a href="https://docs.vagrantup.com/v2/synced-folders/index.html">(1) Synced Folder Description from Vagrant Up</a></em></p>
+
+<p>By default, Vagrant will share your project directory (the directory with the Vagrantfile) to <code>/vagrant</code>.  Which means you should be able to build within the guest machine after you
+<code>cd /vagrant/zeppelin</code></p>
+
+<h2>What&#39;s in this VM?</h2>
+
+<p>Running the following commands in the guest machine should display these expected versions:</p>
+
+<p><code>node --version</code> should report <em>v0.12.7</em>
+<code>mvn --version</code> should report <em>Apache Maven 3.3.3</em> and <em>Java version: 1.7.0_85</em></p>
+
+<p>The virtual machine consists of:</p>
+
+<ul>
+<li>Ubuntu Server 14.04 LTS</li>
+<li>Node.js 0.12.7</li>
+<li>npm 2.11.3</li>
+<li>ruby 1.9.3 + rake, make and bundler (only required if building jekyll documentation)</li>
+<li>Maven 3.3.3</li>
+<li>Git</li>
+<li>Unzip</li>
+<li>libfontconfig to avoid phatomJs missing dependency issues</li>
+<li>openjdk-7-jdk</li>
+<li>Python addons: pip, matplotlib, scipy, numpy, pandas</li>
+<li><a href="https://www.r-project.org/">R</a> and R Packages required to run the R Interpreter and the related R tutorial notebook, including:  Knitr, devtools, repr, rCharts, ggplot2, googleVis, mplot, htmltools, base64enc, data.table</li>
+</ul>
+
+<h2>How to build &amp; run Zeppelin</h2>
+
+<p>This assumes you&#39;ve already cloned the project either on the host machine in the zeppelin-dev directory (to be shared with the guest machine) or cloned directly into a directory while running inside the guest machine.  The following build steps will also include Python and R support via PySpark and SparkR:</p>
+<div class="highlight"><pre><code class="text language-text" data-lang="text">cd /zeppelin
+mvn clean package -Pspark-1.6 -Ppyspark -Phadoop-2.4 -Psparkr -DskipTests
+./bin/zeppelin-daemon.sh start
+</code></pre></div>
+<p>On your host machine browse to <code>http://localhost:8080/</code></p>
+
+<p>If you <a href="#tweaking-the-virtual-machine">turned off port forwarding</a> in the <code>Vagrantfile</code> browse to <code>http://192.168.51.52:8080</code></p>
+
+<h2>Tweaking the Virtual Machine</h2>
+
+<p>If you plan to run this virtual machine along side other Vagrant images, you may wish to bind the virtual machine to a specific IP address, and not use port fowarding from your local host.</p>
+
+<p>Comment out the <code>forward_port</code> line, and uncomment the <code>private_network</code> line in Vagrantfile.  The subnet that works best for your local network will vary so adjust <code>192.168.*.*</code> accordingly.</p>
+<div class="highlight"><pre><code class="text language-text" data-lang="text">#config.vm.network &quot;forwarded_port&quot;, guest: 8080, host: 8080
+config.vm.network &quot;private_network&quot;, ip: &quot;192.168.51.52&quot;
+</code></pre></div>
+<p><code>vagrant halt</code> followed by <code>vagrant up</code> will restart the guest machine bound to the IP address of <code>192.168.51.52</code>.
+This approach usually is typically required if running other virtual machines that discover each other directly by IP address, such as Spark Masters and Slaves as well as Cassandra Nodes, Elasticsearch Nodes, and other Spark data sources.  You may wish to launch nodes in virtual machines with IP addresses in a subnet that works for your local network, such as: 192.168.51.53, 192.168.51.54, 192.168.51.53, etc..</p>
+
+<h2>Extras</h2>
+
+<h3>Python Extras</h3>
+
+<p>With Zeppelin running, <strong>Numpy</strong>, <strong>SciPy</strong>, <strong>Pandas</strong> and <strong>Matplotlib</strong> will be available.  Create a pyspark notebook, and try the below code.</p>
+<div class="highlight"><pre><code class="python language-python" data-lang="python"><span class="o">%</span><span class="n">pyspark</span>
+
+<span class="kn">import</span> <span class="nn">numpy</span>
+<span class="kn">import</span> <span class="nn">scipy</span>
+<span class="kn">import</span> <span class="nn">pandas</span>
+<span class="kn">import</span> <span class="nn">matplotlib</span>
+
+<span class="k">print</span> <span class="s">&quot;numpy &quot;</span> <span class="o">+</span> <span class="n">numpy</span><span class="o">.</span><span class="n">__version__</span>
+<span class="k">print</span> <span class="s">&quot;scipy &quot;</span> <span class="o">+</span> <span class="n">scipy</span><span class="o">.</span><span class="n">__version__</span>
+<span class="k">print</span> <span class="s">&quot;pandas &quot;</span> <span class="o">+</span> <span class="n">pandas</span><span class="o">.</span><span class="n">__version__</span>
+<span class="k">print</span> <span class="s">&quot;matplotlib &quot;</span> <span class="o">+</span> <span class="n">matplotlib</span><span class="o">.</span><span class="n">__version__</span>
+</code></pre></div>
+<p>To Test plotting using Matplotlib into a rendered <code>%html</code> SVG image, try</p>
+<div class="highlight"><pre><code class="python language-python" data-lang="python"><span class="o">%</span><span class="n">pyspark</span>
+
+<span class="kn">import</span> <span class="nn">matplotlib</span>
+<span class="n">matplotlib</span><span class="o">.</span><span class="n">use</span><span class="p">(</span><span class="s">&#39;Agg&#39;</span><span class="p">)</span>   <span class="c"># turn off interactive charting so this works for server side SVG rendering</span>
+<span class="kn">import</span> <span class="nn">matplotlib.pyplot</span> <span class="kn">as</span> <span class="nn">plt</span>
+<span class="kn">import</span> <span class="nn">numpy</span> <span class="kn">as</span> <span class="nn">np</span>
+<span class="kn">import</span> <span class="nn">StringIO</span>
+
+<span class="c"># clear out any previous plots on this notebook</span>
+<span class="n">plt</span><span class="o">.</span><span class="n">clf</span><span class="p">()</span>
+
+<span class="k">def</span> <span class="nf">show</span><span class="p">(</span><span class="n">p</span><span class="p">):</span>
+    <span class="n">img</span> <span class="o">=</span> <span class="n">StringIO</span><span class="o">.</span><span class="n">StringIO</span><span class="p">()</span>
+    <span class="n">p</span><span class="o">.</span><span class="n">savefig</span><span class="p">(</span><span class="n">img</span><span class="p">,</span> <span class="n">format</span><span class="o">=</span><span class="s">&#39;svg&#39;</span><span class="p">)</span>
+    <span class="n">img</span><span class="o">.</span><span class="n">seek</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
+    <span class="k">print</span> <span class="s">&quot;%html &lt;div style=&#39;width:600px&#39;&gt;&quot;</span> <span class="o">+</span> <span class="n">img</span><span class="o">.</span><span class="n">buf</span> <span class="o">+</span> <span class="s">&quot;&lt;/div&gt;&quot;</span>
+
+<span class="c"># Example data</span>
+<span class="n">people</span> <span class="o">=</span> <span class="p">(</span><span class="s">&#39;Tom&#39;</span><span class="p">,</span> <span class="s">&#39;Dick&#39;</span><span class="p">,</span> <span class="s">&#39;Harry&#39;</span><span class="p">,</span> <span class="s">&#39;Slim&#39;</span><span class="p">,</span> <span class="s">&#39;Jim&#39;</span><span class="p">)</span>
+<span class="n">y_pos</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">people</span><span class="p">))</span>
+<span class="n">performance</span> <span class="o">=</span> <span class="mi">3</span> <span class="o">+</span> <span class="mi">10</span> <span class="o">*</span> <span class="n">np</span><span class="o">.</span><span class="n">random</span><span class="o">.</span><span class="n">rand</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">people</span><span class="p">))</span>
+<span class="n">error</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">random</span><span class="o">.</span><span class="n">rand</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">people</span><span class="p">))</span>
+
+<span class="n">plt</span><span class="o">.</span><span class="n">barh</span><span class="p">(</span><span class="n">y_pos</span><span class="p">,</span> <span class="n">performance</span><span class="p">,</span> <span class="n">xerr</span><span class="o">=</span><span class="n">error</span><span class="p">,</span> <span class="n">align</span><span class="o">=</span><span class="s">&#39;center&#39;</span><span class="p">,</span> <span class="n">alpha</span><span class="o">=</span><span class="mf">0.4</span><span class="p">)</span>
+<span class="n">plt</span><span class="o">.</span><span class="n">yticks</span><span class="p">(</span><span class="n">y_pos</span><span class="p">,</span> <span class="n">people</span><span class="p">)</span>
+<span class="n">plt</span><span class="o">.</span><span class="n">xlabel</span><span class="p">(</span><span class="s">&#39;Performance&#39;</span><span class="p">)</span>
+<span class="n">plt</span><span class="o">.</span><span class="n">title</span><span class="p">(</span><span class="s">&#39;How fast do you want to go today?&#39;</span><span class="p">)</span>
+
+<span class="n">show</span><span class="p">(</span><span class="n">plt</span><span class="p">)</span>
+</code></pre></div>
+<h3>R Extras</h3>
+
+<p>With zeppelin running, an R Tutorial notebook will be available.  The R packages required to run the examples and graphs in this tutorial notebook were installed by this virtual machine.
+The installed R Packages include: Knitr, devtools, repr, rCharts, ggplot2, googleVis, mplot, htmltools, base64enc, data.table</p>
+
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+                <!--<li><a href="/docs/0.7.0-SNAPSHOT/manual/dynamicinterpreterload.html">Dynamic Interpreter Loading</a></li>-->
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+                <li role="separator" class="divider"></li>
+                <li class="title"><span><b>Available Interpreters</b><span></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/alluxio.html">Alluxio</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/cassandra.html">Cassandra</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/elasticsearch.html">Elasticsearch</a></li>
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+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/geode.html">Geode</a></li>
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+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/r.html">R</a></li>
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+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/spark.html">Spark</a></li>
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+              <a href="#" data-toggle="dropdown" class="dropdown-toggle">Display System <b class="caret"></b></a>
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+                <li><a href="/docs/0.7.0-SNAPSHOT/storage/storage.html#notebook-storage-in-local-git-repository">Git Storage</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/storage/storage.html#notebook-storage-in-s3">S3 Storage</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/storage/storage.html#notebook-storage-in-azure">Azure Storage</a></li>
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+                <li role="separator" class="divider"></li>
+                <li class="title"><span><b>REST API</b><span></li>
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+                <li><a href="/docs/0.7.0-SNAPSHOT/development/writingzeppelinapplication.html">Writing Zeppelin Application</a></li>                
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+                <li><a href="/docs/0.7.0-SNAPSHOT/development/howtocontributewebsite.html">How to contribute (website)</a></li>
+              </ul>
+            </li>
+          </ul>
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+    
+
+    <div class="content">
+      
+<!--<div class="hero-unit Install Zeppelin to connect with existing YARN cluster">
+  <h1></h1>
+</div>
+-->
+
+<div class="row">
+  <div class="col-md-12">
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+Licensed under the Apache License, Version 2.0 (the "License");
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+
+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.
+-->
+
+<h2>Introduction</h2>
+
+<p>This page describes how to pre-configure a bare metal node, configure Zeppelin and connect it to existing YARN cluster running Hortonworks flavour of Hadoop. It also describes steps to configure Spark interpreter of Zeppelin.</p>
+
+<h2>Prepare Node</h2>
+
+<h3>Zeppelin user (Optional)</h3>
+
+<p>This step is optional, however its nice to run Zeppelin under its own user. In case you do not like to use Zeppelin (hope not) the user could be deleted along with all the packages that were installed for Zeppelin, Zeppelin binary itself and associated directories.</p>
+
+<p>Create a zeppelin user and switch to zeppelin user or if zeppelin user is already created then login as zeppelin.</p>
+<div class="highlight"><pre><code class="bash language-bash" data-lang="bash">useradd zeppelin
+su - zeppelin
+whoami
+</code></pre></div>
+<p>Assuming a zeppelin user is created then running whoami command must return</p>
+<div class="highlight"><pre><code class="bash language-bash" data-lang="bash">zeppelin
+</code></pre></div>
+<p>Its assumed in the rest of the document that zeppelin user is indeed created and below installation instructions are performed as zeppelin user.</p>
+
+<h3>List of Prerequisites</h3>
+
+<ul>
+<li>CentOS 6.x, Mac OSX, Ubuntu 14.X</li>
+<li>Java 1.7</li>
+<li>Hadoop client</li>
+<li>Spark</li>
+<li>Internet connection is required.</li>
+</ul>
+
+<p>It&#39;s assumed that the node has CentOS 6.x installed on it. Although any version of Linux distribution should work fine.</p>
+
+<h4>Hadoop client</h4>
+
+<p>Zeppelin can work with multiple versions &amp; distributions of Hadoop. A complete list is available <a href="https://github.com/apache/zeppelin#build">here</a>. This document assumes Hadoop 2.7.x client libraries including configuration files are installed on Zeppelin node. It also assumes /etc/hadoop/conf contains various Hadoop configuration files. The location of Hadoop configuration files may vary, hence use appropriate location.</p>
+<div class="highlight"><pre><code class="bash language-bash" data-lang="bash">hadoop version
+Hadoop 2.7.1.2.3.1.0-2574
+Subversion git@github.com:hortonworks/hadoop.git -r f66cf95e2e9367a74b0ec88b2df33458b6cff2d0
+Compiled by jenkins on 2015-07-25T22:36Z
+Compiled with protoc 2.5.0
+From <span class="nb">source </span>with checksum 54f9bbb4492f92975e84e390599b881d
+This <span class="nb">command </span>was run using /usr/hdp/2.3.1.0-2574/hadoop/lib/hadoop-common-2.7.1.2.3.1.0-2574.jar
+</code></pre></div>
+<h4>Spark</h4>
+
+<p>Spark is supported out of the box and to take advantage of this, you need to Download appropriate version of Spark binary packages from <a href="http://spark.apache.org/downloads.html">Spark Download page</a> and unzip it.
+Zeppelin can work with multiple versions of Spark. A complete list is available <a href="https://github.com/apache/zeppelin#build">here</a>.
+This document assumes Spark 1.6.0 is installed at /usr/lib/spark.</p>
+
+<blockquote>
+<p>Note: Spark should be installed on the same node as Zeppelin.</p>
+
+<p>Note: Spark&#39;s pre-built package for CDH 4 doesn&#39;t support yarn.</p>
+</blockquote>
+
+<h4>Zeppelin</h4>
+
+<p>Checkout source code from <a href="https://github.com/apache/zeppelin.git">git://git.apache.org/zeppelin.git</a> or download binary package from <a href="https://zeppelin.apache.org/download.html">Download page</a>.
+You can refer <a href="install.html">Install</a> page for the details.
+This document assumes that Zeppelin is located under <code>/home/zeppelin/zeppelin</code>.</p>
+
+<h2>Zeppelin Configuration</h2>
+
+<p>Zeppelin configuration needs to be modified to connect to YARN cluster. Create a copy of zeppelin environment shell script.</p>
+<div class="highlight"><pre><code class="bash language-bash" data-lang="bash">cp /home/zeppelin/zeppelin/conf/zeppelin-env.sh.template /home/zeppelin/zeppelin/conf/zeppelin-env.sh
+</code></pre></div>
+<p>Set the following properties</p>
+<div class="highlight"><pre><code class="bash language-bash" data-lang="bash"><span class="nb">export </span><span class="nv">JAVA_HOME</span><span class="o">=</span><span class="s2">&quot;/usr/java/jdk1.7.0_79&quot;</span>
+<span class="nb">export </span><span class="nv">HADOOP_CONF_DIR</span><span class="o">=</span><span class="s2">&quot;/etc/hadoop/conf&quot;</span>
+<span class="nb">export </span><span class="nv">ZEPPELIN_JAVA_OPTS</span><span class="o">=</span><span class="s2">&quot;-Dhdp.version=2.3.1.0-2574&quot;</span>
+<span class="nb">export </span><span class="nv">SPARK_HOME</span><span class="o">=</span><span class="s2">&quot;/usr/lib/spark&quot;</span>
+</code></pre></div>
+<p>As /etc/hadoop/conf contains various configurations of YARN cluster, Zeppelin can now submit Spark/Hive jobs on YARN cluster form its web interface. The value of hdp.version is set to 2.3.1.0-2574. This can be obtained by running the following command</p>
+<div class="highlight"><pre><code class="bash language-bash" data-lang="bash">hdp-select status hadoop-client <span class="p">|</span> sed <span class="s1">&#39;s/hadoop-client - \(.*\)/\1/&#39;</span>
+<span class="c"># It returned  2.3.1.0-2574</span>
+</code></pre></div>
+<h2>Start/Stop</h2>
+
+<h3>Start Zeppelin</h3>
+<div class="highlight"><pre><code class="text language-text" data-lang="text">cd /home/zeppelin/zeppelin
+bin/zeppelin-daemon.sh start
+</code></pre></div>
+<p>After successful start, visit http://[zeppelin-server-host-name]:8080 with your web browser.</p>
+
+<h3>Stop Zeppelin</h3>
+<div class="highlight"><pre><code class="text language-text" data-lang="text">bin/zeppelin-daemon.sh stop
+</code></pre></div>
+<h2>Interpreter</h2>
+
+<p>Zeppelin provides various distributed processing frameworks to process data that ranges from Spark, JDBC, Ignite and Lens to name a few. This document describes to configure JDBC &amp; Spark interpreters.</p>
+
+<h3>Hive</h3>
+
+<p>Zeppelin supports Hive through JDBC interpreter. You might need the information to use Hive and can find in your hive-site.xml</p>
+
+<p>Once Zeppelin server has started successfully, visit http://[zeppelin-server-host-name]:8080 with your web browser. Click on Interpreter tab next to Notebook dropdown. Look for Hive configurations and set them appropriately. Set them as per Hive installation on YARN cluster.
+Click on Save button. Once these configurations are updated, Zeppelin will prompt you to restart the interpreter. Accept the prompt and the interpreter will reload the configurations.</p>
+
+<h3>Spark</h3>
+
+<p>It was assumed that 1.6.0 version of Spark is installed at /usr/lib/spark. Look for Spark configurations and click edit button to add the following properties</p>
+
+<table class="table-configuration">
+  <tr>
+    <th>Property Name</th>
+    <th>Property Value</th>
+    <th>Remarks</th>
+  </tr>
+  <tr>
+    <td>master</td>
+    <td>yarn-client</td>
+    <td>In yarn-client mode, the driver runs in the client process, and the application master is only used for requesting resources from YARN.</td>
+  </tr>
+  <tr>
+    <td>spark.driver.extraJavaOptions</td>
+    <td>-Dhdp.version=2.3.1.0-2574</td>
+    <td></td>
+  </tr>
+  <tr>
+    <td>spark.yarn.am.extraJavaOptions</td>
+    <td>-Dhdp.version=2.3.1.0-2574</td>
+    <td></td>
+  </tr>
+</table>
+
+<p>Click on Save button. Once these configurations are updated, Zeppelin will prompt you to restart the interpreter. Accept the prompt and the interpreter will reload the configurations.</p>
+
+<p>Spark &amp; Hive notebooks can be written with Zeppelin now. The resulting Spark &amp; Hive jobs will run on configured YARN cluster.</p>
+
+<h2>Debug</h2>
+
+<p>Zeppelin does not emit any kind of error messages on web interface when notebook/paragraph is run. If a paragraph fails it only displays ERROR. The reason for failure needs to be looked into log files which is present in logs directory under zeppelin installation base directory. Zeppelin creates a log file for each kind of interpreter.</p>
+<div class="highlight"><pre><code class="bash language-bash" data-lang="bash"><span class="o">[</span>zeppelin@zeppelin-3529 logs<span class="o">]</span><span class="nv">$ </span><span class="nb">pwd</span>
+/home/zeppelin/zeppelin/logs
+<span class="o">[</span>zeppelin@zeppelin-3529 logs<span class="o">]</span><span class="nv">$ </span>ls -l
+total 844
+-rw-rw-r-- 1 zeppelin zeppelin  14648 Aug  3 14:45 zeppelin-interpreter-hive-zeppelin-zeppelin-3529.log
+-rw-rw-r-- 1 zeppelin zeppelin 625050 Aug  3 16:05 zeppelin-interpreter-spark-zeppelin-zeppelin-3529.log
+-rw-rw-r-- 1 zeppelin zeppelin 200394 Aug  3 21:15 zeppelin-zeppelin-zeppelin-3529.log
+-rw-rw-r-- 1 zeppelin zeppelin  16162 Aug  3 14:03 zeppelin-zeppelin-zeppelin-3529.out
+<span class="o">[</span>zeppelin@zeppelin-3529 logs<span class="o">]</span><span class="err">$</span>
+</code></pre></div>
+  </div>
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@@ -0,0 +1,441 @@
+
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Alluxio Interpreter</title>
+    <meta name="description" content="Alluxio Interpreter">
+    <meta name="author" content="The Apache Software Foundation">
+
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+    
+        <div id="menu" class="navbar navbar-inverse navbar-fixed-top" role="navigation">
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+            <span style="vertical-align:baseline"><small>0.7.0-SNAPSHOT</small></span>
+          </a>
+        </div>
+        <nav class="navbar-collapse collapse" role="navigation">
+          <ul class="nav navbar-nav">
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+              <ul class="dropdown-menu">
+                <li><a href="/docs/0.7.0-SNAPSHOT/index.html">What is Apache Zeppelin ?</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span><b>Getting Started</b><span></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/install/install.html">Install</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/install/install.html#apache-zeppelin-configuration">Configuration</a></li>
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+                <li class="title"><span><b>Basic Feature Guide</b><span></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/manual/dynamicform.html">Dynamic Form</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/manual/publish.html">Publish your Paragraph</a></li>
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+                <li><a href="/docs/0.7.0-SNAPSHOT/install/virtual_machine.html">Zeppelin on Vagrant VM</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/install/upgrade.html">Upgrade Zeppelin Version</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><a href="/docs/0.7.0-SNAPSHOT/manual/interpreters.html">Overview</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span><b>Usage</b><span></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/manual/interpreterinstallation.html">Interpreter Installation</a></li>
+                <!--<li><a href="/docs/0.7.0-SNAPSHOT/manual/dynamicinterpreterload.html">Dynamic Interpreter Loading</a></li>-->
+                <li><a href="/docs/0.7.0-SNAPSHOT/manual/dependencymanagement.html">Interpreter Dependency Management</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span><b>Available Interpreters</b><span></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/alluxio.html">Alluxio</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/cassandra.html">Cassandra</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/elasticsearch.html">Elasticsearch</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/flink.html">Flink</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/geode.html">Geode</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/hbase.html">HBase</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/hdfs.html">HDFS</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/hive.html">Hive</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/ignite.html">Ignite</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/jdbc.html">JDBC</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/lens.html">Lens</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/livy.html">Livy</a></li>
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+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/python.html">Python</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/postgresql.html">Postgresql, HAWQ</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/r.html">R</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/scalding.html">Scalding</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/pleasecontribute.html">Shell</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/interpreter/spark.html">Spark</a></li>
+              </ul>
+            </li>
+            <li>
+              <a href="#" data-toggle="dropdown" class="dropdown-toggle">Display System <b class="caret"></b></a>
+              <ul class="dropdown-menu">
+                <li class="title"><span><b>Basic Display System</b><span></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/displaysystem/basicdisplaysystem.html#text">Text</a></li>
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+                <li><a href="/docs/0.7.0-SNAPSHOT/displaysystem/basicdisplaysystem.html#table">Table</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span><b>Angular API</b><span></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/displaysystem/back-end-angular.html">Angular (backend API)</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/displaysystem/front-end-angular.html">Angular (frontend API)</a></li>
+              </ul>
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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><b>Notebook Storage</b><span></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/storage/storage.html#notebook-storage-in-local-git-repository">Git Storage</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/storage/storage.html#notebook-storage-in-s3">S3 Storage</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/storage/storage.html#notebook-storage-in-azure">Azure Storage</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/storage/storage.html#storage-in-zeppelinhub">ZeppelinHub Storage</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span><b>REST API</b><span></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/rest-api/rest-interpreter.html">Interpreter API</a></li>
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+                <li role="separator" class="divider"></li>
+                <li class="title"><span><b>Security</b><span></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/security/authentication.html">Authentication for NGINX</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/security/shiroauthentication.html">Shiro Authentication</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/security/notebook_authorization.html">Notebook Authorization</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/security/interpreter_authorization.html">Interpreter & Data Resource Authorization</a></li>
+                <li role="separator" class="divider"></li>
+                <li class="title"><span><b>Contibute</b><span></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/development/writingzeppelininterpreter.html">Writing Zeppelin Interpreter</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/development/writingzeppelinapplication.html">Writing Zeppelin Application</a></li>                
+                <li><a href="/docs/0.7.0-SNAPSHOT/development/howtocontribute.html">How to contribute (code)</a></li>
+                <li><a href="/docs/0.7.0-SNAPSHOT/development/howtocontributewebsite.html">How to contribute (website)</a></li>
+              </ul>
+            </li>
+          </ul>
+        </nav><!--/.navbar-collapse -->
+      </div>
+    </div>
+    
+
+    <div class="content">
+      
+<!--<div class="hero-unit Alluxio Interpreter">
+  <h1></h1>
+</div>
+-->
+
+<div class="row">
+  <div class="col-md-12">
+    <h1>Alluxio Interpreter for Apache Zeppelin</h1>
+
+<div id="toc"></div>
+
+<h2>Overview</h2>
+
+<p><a href="http://alluxio.org/">Alluxio</a> is a memory-centric distributed storage system enabling reliable data sharing at memory-speed across cluster frameworks.</p>
+
+<h2>Configuration</h2>
+
+<table class="table-configuration">
+  <tr>
+    <th>Name</th>
+    <th>Class</th>
+    <th>Description</th>
+  </tr>
+  <tr>
+    <td>alluxio.master.hostname</td>
+    <td>localhost</td>
+    <td>Alluxio master hostname</td>
+  </tr>
+  <tr>
+    <td>alluxio.master.port</td>
+    <td>19998</td>
+    <td>Alluxio master port</td>
+  </tr>
+</table>
+
+<h2>Enabling Alluxio Interpreter</h2>
+
+<p>In a notebook, to enable the <strong>Alluxio</strong> interpreter, click on the <strong>Gear</strong> icon and select <strong>Alluxio</strong>.</p>
+
+<h2>Using the Alluxio Interpreter</h2>
+
+<p>In a paragraph, use <code>%alluxio</code> to select the <strong>Alluxio</strong> interpreter and then input all commands.</p>
+<div class="highlight"><pre><code class="bash language-bash" data-lang="bash">%alluxio
+<span class="nb">help</span>
+</code></pre></div>
+<blockquote>
+<p><strong>Tip :</strong> Use ( Ctrl + . ) for autocompletion.</p>
+</blockquote>
+
+<h2>Interpreter Commands</h2>
+
+<p>The <strong>Alluxio</strong> interpreter accepts the following commands.</p>
+
+<p><center>
+  <table class="table-configuration">
+    <tr>
+      <th>Operation</th>
+      <th>Syntax</th>
+      <th>Description</th>
+    </tr>
+    <tr>
+      <td>cat</td>
+      <td>cat &quot;path&quot;</td>
+      <td>Print the content of the file to the console.</td>
+    </tr>
+    <tr>
+      <td>chgrp</td>
+      <td>chgrp &quot;group&quot; &quot;path&quot;</td>
+      <td>Change the group of the directory or file.</td>
+    </tr>
+    <tr>
+      <td>chmod</td>
+      <td>chmod &quot;permission&quot; &quot;path&quot;</td>
+      <td>Change the permission of the directory or file.</td>
+    </tr>
+    <tr>
+      <td>chown</td>
+      <td>chown &quot;owner&quot; &quot;path&quot;</td>
+      <td>Change the owner of the directory or file.</td>
+    </tr>
+    <tr>
+      <td>copyFromLocal</td>
+      <td>copyFromLocal &quot;source path&quot; &quot;remote path&quot;</td>
+      <td>Copy the specified file specified by &quot;source path&quot; to the path specified by &quot;remote path&quot;.
+      This command will fail if &quot;remote path&quot; already exists.</td>
+    </tr>
+    <tr>
+      <td>copyToLocal</td>
+      <td>copyToLocal &quot;remote path&quot; &quot;local path&quot;</td>
+      <td>Copy the specified file from the path specified by &quot;remote path&quot; to a local destination.</td>
+    </tr>
+    <tr>
+      <td>count</td>
+      <td>count &quot;path&quot;</td>
+      <td>Display the number of folders and files matching the specified prefix in &quot;path&quot;.</td>
+    </tr>
+    <tr>
+      <td>du</td>
+      <td>du &quot;path&quot;</td>
+      <td>Display the size of a file or a directory specified by the input path.</td>
+    </tr>
+    <tr>
+      <td>fileInfo</td>
+      <td>fileInfo &quot;path&quot;</td>
+      <td>Print the information of the blocks of a specified file.</td>
+    </tr>
+    <tr>
+      <td>free</td>
+      <td>free &quot;path&quot;</td>
+      <td>Free a file or all files under a directory from Alluxio. If the file/directory is also
+      in under storage, it will still be available there.</td>
+    </tr>
+    <tr>
+      <td>getCapacityBytes</td>
+      <td>getCapacityBytes</td>
+      <td>Get the capacity of the AlluxioFS.</td>
+    </tr>
+    <tr>
+      <td>getUsedBytes</td>
+      <td>getUsedBytes</td>
+      <td>Get number of bytes used in the AlluxioFS.</td>
+    </tr>
+    <tr>
+      <td>load</td>
+      <td>load &quot;path&quot;</td>
+      <td>Load the data of a file or a directory from under storage into Alluxio.</td>
+    </tr>
+    <tr>
+      <td>loadMetadata</td>
+      <td>loadMetadata &quot;path&quot;</td>
+      <td>Load the metadata of a file or a directory from under storage into Alluxio.</td>
+    </tr>
+    <tr>
+      <td>location</td>
+      <td>location &quot;path&quot;</td>
+      <td>Display a list of hosts that have the file data.</td>
+    </tr>
+    <tr>
+      <td>ls</td>
+      <td>ls &quot;path&quot;</td>
+      <td>List all the files and directories directly under the given path with information such as
+      size.</td>
+    </tr>
+    <tr>
+      <td>mkdir</td>
+      <td>mkdir &quot;path1&quot; ... &quot;pathn&quot;</td>
+      <td>Create directory(ies) under the given paths, along with any necessary parent directories.
+      Multiple paths separated by spaces or tabs. This command will fail if any of the given paths
+      already exist.</td>
+    </tr>
+    <tr>
+      <td>mount</td>
+      <td>mount &quot;path&quot; &quot;uri&quot;</td>
+      <td>Mount the underlying file system path &quot;uri&quot; into the Alluxio namespace as &quot;path&quot;. The &quot;path&quot;
+      is assumed not to exist and is created by the operation. No data or metadata is loaded from under
+      storage into Alluxio. After a path is mounted, operations on objects under the mounted path are
+      mirror to the mounted under storage.</td>
+    </tr>
+    <tr>
+      <td>mv</td>
+      <td>mv &quot;source&quot; &quot;destination&quot;</td>
+      <td>Move a file or directory specified by &quot;source&quot; to a new location &quot;destination&quot;. This command
+      will fail if &quot;destination&quot; already exists.</td>
+    </tr>
+    <tr>
+      <td>persist</td>
+      <td>persist &quot;path&quot;</td>
+      <td>Persist a file or directory currently stored only in Alluxio to the underlying file system.</td>
+    </tr>
+    <tr>
+      <td>pin</td>
+      <td>pin &quot;path&quot;</td>
+      <td>Pin the given file to avoid evicting it from memory. If the given path is a directory, it
+      recursively pins all the files contained and any new files created within this directory.</td>
+    </tr>
+    <tr>
+      <td>report</td>
+      <td>report &quot;path&quot;</td>
+      <td>Report to the master that a file is lost.</td>
+    </tr>
+    <tr>
+      <td>rm</td>
+      <td>rm &quot;path&quot;</td>
+      <td>Remove a file. This command will fail if the given path is a directory rather than a file.</td>
+    </tr>
+    <tr>
+      <td>setTtl</td>
+      <td>setTtl &quot;time&quot;</td>
+      <td>Set the TTL (time to live) in milliseconds to a file.</td>
+    </tr>
+    <tr>
+      <td>tail</td>
+      <td>tail &quot;path&quot;</td>
+      <td>Print the last 1KB of the specified file to the console.</td>
+    </tr>
+    <tr>
+      <td>touch</td>
+      <td>touch &quot;path&quot;</td>
+      <td>Create a 0-byte file at the specified location.</td>
+    </tr>
+    <tr>
+      <td>unmount</td>
+      <td>unmount &quot;path&quot;</td>
+      <td>Unmount the underlying file system path mounted in the Alluxio namespace as &quot;path&quot;. Alluxio
+      objects under &quot;path&quot; are removed from Alluxio, but they still exist in the previously mounted
+      under storage.</td>
+    </tr>
+    <tr>
+      <td>unpin</td>
+      <td>unpin &quot;path&quot;</td>
+      <td>Unpin the given file to allow Alluxio to evict this file again. If the given path is a
+      directory, it recursively unpins all files contained and any new files created within this
+      directory.</td>
+    </tr>
+    <tr>
+      <td>unsetTtl</td>
+      <td>unsetTtl</td>
+      <td>Remove the TTL (time to live) setting from a file.</td>
+    </tr><br>
+  </table>
+</center></p>
+
+<h2>How to test it&#39;s working</h2>
+
+<p>Be sure to have configured correctly the Alluxio interpreter, then open a new paragraph and type one of the above commands.</p>
+
+<p>Below a simple example to show how to interact with Alluxio interpreter.
+Following steps are performed:</p>
+
+<ul>
+<li>using sh interpreter a new text file is created on local machine</li>
+<li>using Alluxio interpreter:
+
+<ul>
+<li>is listed the content of the afs (Alluxio File System) root</li>
+<li>the file previously created is copied to afs</li>
+<li>is listed again the content of the afs root to check the existence of the new copied file</li>
+<li>is showed the content of the copied file (using the tail command)</li>
+<li>the file previously copied to afs is copied to local machine</li>
+</ul></li>
+<li> using sh interpreter it&#39;s checked the existence of the new file copied from Alluxio and its content is showed</li>
+</ul>
+
+<p><center>
+  <img src="../assets/themes/zeppelin/img/docs-img/alluxio-example.png" alt="Alluxio Interpreter Example">
+</center></p>
+
+  </div>
+</div>
+
+
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+        <!-- <p>&copy; 2016 The Apache Software Foundation</p>-->
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