index.html 5.4 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175
  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <!DOCTYPE html
  3. PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  4. <html lang="en-us" xml:lang="en-us">
  5. <head>
  6. <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
  7. <link rel="stylesheet" type="text/css" href="commonltr.css"/>
  8. <title>Introducing Hue</title>
  9. </head>
  10. <body id="topic_2"><a name="topic_2"><!-- --></a>
  11. <h1 class="title topictitle1">Introducing Hue </h1>
  12. <div class="body conbody">
  13. <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
  14. cluster. Hue applications let you browse HDFS, Jobs, run Hive, Pig and
  15. Cloudera Impala queries, manage the Hive Metastore, HBase, Sqoop, ZooKeeper, MapReduce jobs, and
  16. create and schedule worklows with Oozie.</p>
  17. </br>
  18. <p class="p alert"> Checkout the latest updates and tutorials on <a href="http://gethue.com" target="_blank">http://gethue.com</a>!</p>
  19. </br>
  20. </div>
  21. <div class="topic concept nested1" xml:lang="en-US" lang="en-US" id="topic_2_1"><a name="topic_2_1"><!-- --></a>
  22. <h2 class="title topictitle2"> Hue Architecture </h2>
  23. <div class="body conbody">
  24. <p class="p"> Hue applications run in a Web browser and require no client installation.  </p>
  25. <p class="p"> The following figure illustrates how Hue works. Hue Server is a
  26. "container" web application that sits in between CDH and the browser. It hosts all
  27. the Hue web applications and communicates with CDH components. </p>
  28. <p class="p">
  29. <br/><img class="image" src="/static/art/help/huearch.jpg"/><br/>
  30. </p>
  31. </div>
  32. </div>
  33. <div class="topic concept nested1" xml:lang="en-US" lang="en-US" id="topic_2_2"><a name="topic_2_2"><!-- --></a>
  34. <h2 class="title topictitle2"> Starting Applications </h2>
  35. <div class="body conbody">
  36. <p class="p"> To open a Hue application, click the appropriate icon in the navigation
  37. 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>
  38. <p class="p">To open a second application concurrently (or a second instance of the same
  39. application), right-click the icon and select <strong class="ph b">Open
  40. link in new tab</strong>. </p>
  41. </div>
  42. </div>
  43. <div class="topic concept nested1" xml:lang="en-US" lang="en-US" id="topic_2_3"><a name="topic_2_3"><!-- --></a>
  44. <h2 class="title topictitle2"> Displaying Help for the Hue Applications </h2>
  45. <div class="body conbody">
  46. <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,
  47. then click the appropriate link in the Help navigation bar at the top of the Help
  48. window. </p>
  49. </div>
  50. </div>
  51. <div class="topic concept nested1" xml:lang="en-US" lang="en-US" id="topic_2_4"><a name="topic_2_4"><!-- --></a>
  52. <h2 class="title topictitle2"> Logging In and Out </h2>
  53. <div class="body conbody">
  54. <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
  55. user name (at the right of the Hue navigation bar). </p>
  56. </div>
  57. </div>
  58. <div class="topic concept nested1" xml:lang="en-US" lang="en-US" id="topic_2_5"><a name="topic_2_5"><!-- --></a>
  59. <h2 class="title topictitle2"> Notice of Misconfiguration </h2>
  60. <div class="body conbody">
  61. <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.
  62. 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
  63. potential misconfiguration(s) with hints about fixing them. </p>
  64. </div>
  65. </div>
  66. <div class="topic concept nested1" xml:lang="en-US" lang="en-US" id="topic_2_6"><a name="topic_2_6"><!-- --></a>
  67. <h2 class="title topictitle2"> Changing Your Password </h2>
  68. <div class="body conbody">
  69. <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> &gt; <span class="ph uicontrol">Profile</span></span> at the right of the Hue navigation bar. </p>
  70. <p class="p">If authentication is managed by Hue (that is, authentication is
  71. not managed via some external mechanism), and you are a superuser, you can use the
  72. <a class="xref" href="topic_11.html#topic_11">User Admin</a> application to
  73. change password and personal details. </p>
  74. </div>
  75. </div>
  76. <div class="topic concept nested1" xml:lang="en-US" lang="en-US" id="topic_2_7"><a name="topic_2_7"><!-- --></a>
  77. <h2 class="title topictitle2"> Seeking Help, Reporting Bugs, and Providing Feedback </h2>
  78. <div class="body conbody">
  79. <p class="p"> The Hue team strongly values your feedback. The best way to contact us is to send
  80. email to <a class="xref" href="mailto:hue-user@cloudera.org" target="_blank">hue-user@cloudera.org</a>. </p>
  81. <p class="p"> If you're experiencing transient errors (typically an error message saying a service
  82. is down), contact your system administrator first. </p>
  83. </div>
  84. </div>
  85. </body>
  86. </html>