File:  [LON-CAPA] / doc / install / fedora / LON-CAPA_fedora_install.html
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Thu Dec 4 21:58:35 2003 UTC (20 years, 6 months ago) by matthew
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Added LON-CAPA_fedora_install.html and install.pl.

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    8: <title>Installing LON-CAPA on a Fedora Linux System</title>
    9: </head>
   10: 
   11: <body>
   12: <!-- $Id: LON-CAPA_fedora_install.html,v 1.1 2003/12/04 21:58:35 matthew Exp $ -->
   13: <h1>Installing LON-CAPA on a Fedora Linux System</h1>
   14: <p>
   15: This document guides you through the process of setting up a new LON-CAPA
   16: server running Fedora Linux.  The computer will be configured solely as
   17: a LON-CAPA server and will be expected to have no other services running
   18: on it.
   19: </p><p>
   20: More information is available at <a href="http://install.lon-capa.org/">
   21: http://install.lon-capa.org/</a>.
   22: </p>
   23: 
   24: <h2>Before you begin</h2>
   25: <p>
   26: Installing Linux is getting easier and easier.  However, it is still a
   27: non-trivial undertaking and experience with Red Hat Linux will make this 
   28: process easier.  You will be required to log in to the machine and execute
   29: some routine Unix commands.  Some familiarity with Linux is assumed.  
   30: Familiarity with the Apache web server, mod_perl, perl, and MySQL are not 
   31: required to install and run LON-CAPA.
   32: </p>
   33: 
   34: <h2>Installation Overview</h2>
   35: <p>
   36: The installation process takes the following steps:
   37: </p>
   38: <ol>
   39:   <li> Obtain Fedora Linux </li>
   40:   <li> Determine Network Settings</li>
   41:   <li> Install Fedora </li>
   42:   <li> Install LON-CAPA Dependencies </li>
   43:   <li> Determine your LON-CAPA Settings </li>
   44:   <li> Install LON-CAPA </li>
   45:   <li> Configure LON-CAPA </li>
   46:   <li> Pick a hosts.tab file </li>
   47:   <li> Create a Domain Coordinator </li>
   48:   <li> Start/Restart services </li>
   49:   <li> Log in to LON-CAPA </li>
   50: </ol>
   51: 
   52: <h2>Obtain Fedora Linux</h2>
   53: <p>
   54: Fedora linux ISO files can be obtained from the projects main site,
   55: <a href="http://fedora.redhat.com/">http://fedora.redhat.com/</a>.
   56: </p>
   57: 
   58: <h2>Determine Network Settings</h2>
   59: <p>
   60: You will need to know the following network settings for your installation.  
   61: <b>Note:</b>You must have a static IP address to use LON-CAPA.
   62: DHCP is <em>not</em> supported.
   63: </p>
   64: <ul>
   65:   <li>ip address </li>
   66:   <li>netmask </li>
   67:   <li>hostname </li>
   68:   <li>gateway </li>
   69:   <li>domain name server(s) </li>
   70: </ul>
   71: 
   72: <h2>Gather needed information</h2>
   73: 
   74: 
   75: 
   76: <h2>Install Fedora</h2>
   77: <p>
   78: Installing Fedora is quite easy if you've installed any of the Red Hat products
   79: before.  Some documentation is available from 
   80: <a href="http://fedora.redhat.com/projects/anaconda-installer/">
   81: http://fedora.redhat.com/projects/anaconda-installer/</a>.
   82: There are a few sections that require comment.
   83: </p>
   84: <dl style="list-style:square outside none">
   85:    <dt>Installation Type</dt>
   86:    <dd>You should do a "Server" install.  We do not recommend
   87:        trying to install LON-CAPA with a different installation type.</dd>
   88:    <dt>Partitioning your Drive</dt>
   89:    <dd>You may want to use the automatic partitioning feature of the installer,
   90:        however you should review the results and be prepared to modify them.
   91:        LON-CAPA resource files are stored in the /home directory, so the
   92:        lion's share of the drive should be allocated here.  If you have 20 GB 
   93:        of space for Fedora, /home should receive 16 gigs.  Be sure to 
   94:        include adequate swap space.  A minimum is 512 Megs, but you should
   95:        typically have 1 or 2x as much swap space as you do physical RAM.</dd>
   96:    <dt>Network Configuration</dt>
   97:    <dd>LON-CAPA will <b>not</b> work with a machine set up to use a dynamic 
   98:        IP address.  When configuring your network card, be sure to unselect
   99:        the DHCP option and enter in your network information.</dd>
  100:    <dt>Firewall Configuration</dt>
  101:    <dd>The firewall should be customized to allow incoming ssh and www.  
  102:        Additional ports used by LON-CAPA are 5663 and 8080.  
  103:        Enter these in the entry box as <nobr>"5663:tcp, 8080:tcp"</nobr>.</dd>
  104:    <dt>Package Group Selection</dt>
  105:    <dd>
  106:        <b>Do not</b> install a web server.  It is intentially omitted from
  107:        this list.  Installing packages not listed below is not recommended.
  108:        If you install packages not listed below you should expect difficulties
  109:        when installing the LON-CAPA dependencies.
  110:       <ul>
  111:          <li>Editors</li>
  112:          <li>Text Based Internet</li>
  113:          <li>Authoring and Publishing</li>
  114:          <li>Development Tools
  115:          <li>Administration Tools
  116:          <li>Printing Support
  117:       </ul>
  118:    </dd>
  119: </dl>
  120: <p>
  121: Finish installing your server, reboot it, and log in as root.
  122: </p>
  123: 
  124: <h2>Retrieving the LON-CAPA Installation Archive</h2>
  125: <p>
  126: Execute the following command:
  127: </p>
  128: <pre>
  129: wget http://install.loncapa.org/versions/fedora/fedora_install.tar
  130: </pre>
  131: <p>
  132: This will retrieve from the LON-CAPA website all the packages needed to get
  133: LON-CAPA running on your system, except for the LON-CAPA source itself.
  134: </p>
  135: <p>
  136: Extract the archive with the following command:
  137: </p>
  138: <pre>
  139: tar xf fedora_install.tar
  140: </pre>
  141: <p>
  142: This creates a directory named <tt>installation</tt>.
  143: </p>
  144: 
  145: <h2>Installing LON-CAPA Dependencies</h2>
  146: <p>
  147: This section walks you through installing the packages which LON-CAPA requires.
  148: There are a lot of dependencies to deal with.  They have been grouped in a
  149: somewhat logical fashion to make them easier to deal with.  When installing
  150: the rpms you should watch for errors.
  151: </p><p>
  152: The quick instructions are:
  153: </p>
  154: <pre>
  155: cd installation
  156: cd mysql
  157: rpm -Uvh *rpm
  158: cd ../apache
  159: rpm -Uvh *rpm
  160: cd ../mod_perl
  161: rpm -Uvh *rpm
  162: cd ../perl_dependencies
  163: rpm -Uvh *rpm
  164: cd ../GD
  165: rpm -Uvh *rpm
  166: cd ../gnuplot
  167: rpm --install --oldpackage readline-2.2.1-6.i386.rpm
  168: rpm --install --oldpackage --excludedocs libpng-1.0.12-2.i386.rpm
  169: rpm -Uvh gnuplot-3.7.1-5.i386.rpm libgd-1.3-4.i386.rpm ncurses4-5.0-5.i386.rpm
  170: cd ../misc
  171: rpm -Uvh *rpm
  172: cd ..
  173: </pre>
  174: <p>
  175: <b>Notes:</b>
  176: <ul>
  177:     <li>MySQL is used to store caches of data, not original copies.  
  178:         Administering LON-CAPA machines does not yet mean becoming a 
  179:         database administrator.</li>
  180:     <li>Apache 1.3 and mod_perl 1.x are required by LON-CAPA.  These are
  181:         provided in the installation package.
  182:     <li>A specific version of Gnuplot is required by LON-CAPA.  Do not
  183:         install a version different from the one included in the LON-CAPA
  184:         installation package.</li>
  185: </ul>
  186: </p>
  187: 
  188: <h2>Configuring LON-CAPA Dependencies</h2>
  189: <p>
  190: We have prepared a script which takes care of most of the configuration that
  191: must be done to get the newly installed packages working with LON-CAPA.  
  192: This script will retrieve the latest LON-CAPA release from
  193: <a href="http://install.loncapa.org">http://install.loncapa.org</a>.
  194: You will be prompted for a root password for your MySQL server.  You 
  195: will need to remember this password in case you should ever need to make
  196: changes the the server.
  197: </p><p>
  198: Execute the script as follows:
  199: </p>
  200: <pre>
  201: cd setup;
  202: ./install.pl
  203: </pre>
  204: 
  205: <h2>Determine LON-CAPA Settings</h2>
  206: <p>
  207: LON-CAPA requires a number of identifying parameters be set in order
  208: for it to function at all.  Below is a list with descriptions.
  209: </p>
  210: <dl>
  211:   <dt>Host Type (library or access)</dt>
  212:   <dd>The server must be designated a 'library' or an 'access' server.  In
  213:       general you should have a library server for your instructors to create
  214:       their course content on and run their courses.  Students should connect
  215:       to access servers.  If you are doing the first install of LON-CAPA at 
  216:       your site, or if you are playing with it for your own edification you
  217:       should make your machine a 'library' server.</dd>
  218:   <dt>LON-CAPA domain</dt>
  219:   <dd>Each site or school which installs LON-CAPA needs its own domain.
  220:       Here at MSU we use 'msu'.  You should choose something short but
  221:       meaningful.  <i>Restriction: One word, no hyphens, underscores, or 
  222:       special characters.</i>
  223:   </dd>
  224:   <dt>LON-CAPA host id</dt>
  225:   <dd>Each LON-CAPA server requires a unique internal name.  We use names
  226:       such as "msul1" for the first library server. <i>Restriction: One word, 
  227:       no hyphens, underscores, or special characters.</i>
  228:   </dd>
  229:   <dt>Host administrator email</dt>
  230:   <dd>The amount of email sent to this address is relatively minimal.  Messages
  231:       are sent every time the system starts up, or if the system is in 
  232:       serious trouble. On a laptop, make this <tt>root@localhost</tt>.
  233:   </dd>
  234: </dl>
  235: 
  236: <h2>Configuring LON-CAPA</h2>
  237: <p>
  238: To configure and install LON-CAPA, execute the following commands:
  239: </p>
  240: <pre>
  241: cd /root/loncapa-N.N     (N.N should correspond to a version number like '1.1')
  242: ./UPDATE
  243: </pre>
  244: <p>
  245: You will need to enter the LON-CAPA configuration information you determined 
  246: in the previous section.  
  247: </p>
  248: 
  249: <h2>Creating a Domain Coordinator</h2>
  250: <p>
  251: You will need at least one user at your site who has the role of
  252: 'domain coordinator'.  This user creates accounts for other users and
  253: grants them additional privileges.  The make_domain_coordinator.pl script
  254: invoked below requires that you enter the users password.  The password will
  255: show in plaintext as you type it.  Feel free to use the "passwd username"
  256: command to change it later.  Replace USERNAME and DOMAIN with an 
  257: appropriate user name and your domain.
  258: </p>
  259: <pre>
  260: cd /root/loncapa-N.N/loncom/build
  261: perl make_domain_coordinator.pl USERNAME DOMAIN
  262: (WILL PROMPT FOR PASSWORD HERE)
  263: </pre>
  264: 
  265: <h2>Start/Restart Services</h2>
  266: <p>
  267: The LON-CAPA network services take a moment to start.  Most misconfigurations
  268: will be appearant at this step.
  269: </p>
  270: <pre>
  271: /etc/init.d/loncontrol start
  272: /etc/init.d/httpd start
  273: </pre>
  274: 
  275: <h2>Log in to your LON-CAPA Machine</h2>
  276: <p>
  277: Point a web browser at your new machine and log in as the domain
  278: coordinator.  Congratulations!
  279: </p>
  280: 
  281: </body>
  282: </html>

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