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- <head>
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
- <link rel="stylesheet" type="text/css" href="commonltr.css"/>
- <title>Introducing Hue</title>
- </head>
- <body id="topic_2"><a name="topic_2"><!-- --></a>
- <h1 class="title topictitle1">Introducing Hue </h1>
- <div class="body conbody">
- <p class="p"> <a href="http://gethue.com" target="_blank">Hue</a> is a Web applications that enables you to easily interact with an Hadoop
- cluster. Hue applications let you browse HDFS, Jobs, run Hive, Pig and
- Cloudera Impala queries, manage the Hive Metastore, HBase, Sqoop, ZooKeeper, MapReduce jobs, and
- create and schedule worklows with Oozie.</p>
- </br>
- <p class="p alert"> Checkout the latest updates and tutorials on <a href="http://gethue.com" target="_blank">http://gethue.com</a>!</p>
- </br>
- </div>
- <div class="topic concept nested1" xml:lang="en-US" lang="en-US" id="topic_2_1"><a name="topic_2_1"><!-- --></a>
- <h2 class="title topictitle2"> Hue Architecture </h2>
- <div class="body conbody">
- <p class="p"> Hue applications run in a Web browser and require no client installation. </p>
- <p class="p"> The following figure illustrates how Hue works. Hue Server is a
- "container" web application that sits in between CDH and the browser. It hosts all
- the Hue web applications and communicates with CDH components. </p>
- <p class="p">
- <br/><img class="image" src="/static/art/help/huearch.jpg"/><br/>
- </p>
- </div>
- </div>
- <div class="topic concept nested1" xml:lang="en-US" lang="en-US" id="topic_2_2"><a name="topic_2_2"><!-- --></a>
- <h2 class="title topictitle2"> Starting Applications </h2>
- <div class="body conbody">
- <p class="p"> To open a Hue application, click the appropriate icon in the navigation
- bar at the top of the Hue web browser window <br/><a name="topic_2_2__image_dwb_kqg_rj"><!-- --></a><img class="image" id="topic_2_2__image_dwb_kqg_rj" src="/static/art/help/applications.png"/><br/>. </p>
- <p class="p">To open a second application concurrently (or a second instance of the same
- application), right-click the icon and select <strong class="ph b">Open
- link in new tab</strong>. </p>
- </div>
- </div>
- <div class="topic concept nested1" xml:lang="en-US" lang="en-US" id="topic_2_3"><a name="topic_2_3"><!-- --></a>
- <h2 class="title topictitle2"> Displaying Help for the Hue Applications </h2>
- <div class="body conbody">
- <p class="p"> To display the help text for a Hue application, click the <strong class="ph b">Help</strong> ( <img class="image" src="/static/art/help/icon_help_24.png"/> ) tab in the Hue navigation bar,
- then click the appropriate link in the Help navigation bar at the top of the Help
- window. </p>
- </div>
- </div>
- <div class="topic concept nested1" xml:lang="en-US" lang="en-US" id="topic_2_4"><a name="topic_2_4"><!-- --></a>
- <h2 class="title topictitle2"> Logging In and Out </h2>
- <div class="body conbody">
- <p class="p"> To log out of Hue, click <strong class="ph b">Sign Out</strong> from the pull-down list under the logged-in
- user name (at the right of the Hue navigation bar). </p>
- </div>
- </div>
- <div class="topic concept nested1" xml:lang="en-US" lang="en-US" id="topic_2_5"><a name="topic_2_5"><!-- --></a>
- <h2 class="title topictitle2"> Notice of Misconfiguration </h2>
- <div class="body conbody">
- <p class="p"> If Hue detects a misconfiguration, an indicator <img class="image" src="/static/art/help/misconfiguration.png"/> appears in the navigation bar at the top of the page.
- Clicking this indicator takes you to the <a class="xref" href="about.html#topic_3__li_h1j_fhk_zj">Check Configuration</a> screen which will indicate the
- potential misconfiguration(s) with hints about fixing them. </p>
- </div>
- </div>
- <div class="topic concept nested1" xml:lang="en-US" lang="en-US" id="topic_2_6"><a name="topic_2_6"><!-- --></a>
- <h2 class="title topictitle2"> Changing Your Password </h2>
- <div class="body conbody">
- <p class="p">You can go directly to your own information by selecting <span class="ph menucascade"><span class="ph uicontrol"><var class="keyword varname">username</var></span> > <span class="ph uicontrol">Profile</span></span> at the right of the Hue navigation bar. </p>
- <p class="p">If authentication is managed by Hue (that is, authentication is
- not managed via some external mechanism), and you are a superuser, you can use the
- <a class="xref" href="topic_11.html#topic_11">User Admin</a> application to
- change password and personal details. </p>
- </div>
- </div>
- <div class="topic concept nested1" xml:lang="en-US" lang="en-US" id="topic_2_7"><a name="topic_2_7"><!-- --></a>
- <h2 class="title topictitle2"> Seeking Help, Reporting Bugs, and Providing Feedback </h2>
- <div class="body conbody">
- <p class="p"> The Hue team strongly values your feedback. The best way to contact us is to send
- email to <a class="xref" href="mailto:hue-user@cloudera.org" target="_blank">hue-user@cloudera.org</a>. </p>
- <p class="p"> If you're experiencing transient errors (typically an error message saying a service
- is down), contact your system administrator first. </p>
- </div>
- </div>
- </body>
- </html>
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