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    1: <html><head><title>Setting up a Red Hat7.3 LON-CAPA Server</title></head><body>
    2: <!-- $Id: new_install_rh73.html,v 1.2 2002/05/23 14:29:37 matthew Exp $ -->
    3: <h1>Setting up a Red Hat7.3 LON-CAPA Server</h1>
    4: 
    5: <h2>Before you begin</h2>
    6: <p>
    7: Installing Linux is getting easier and easier.  However, it is still a
    8: non-trivial undertaking and experience with Red Hat Linux will make this 
    9: process easier.  You will be required to log in to the machine and execute
   10: some routine Unix commands.  Some familiarity with Linux is assumed.
   11: </p>
   12: 
   13: <h2>Installation Overview</h2>
   14: <p>
   15: The installation process takes the following steps:
   16: <ol>
   17:   <li> Obtain Red Hat 7.3 </li>
   18:   <li> Gather information for installing Red Hat </li>
   19:   <li> Install Red Hat 7.3 </li>
   20:   <li> Determine your LON-CAPA Settings </li>
   21:   <li> Install LON-CAPA </li>
   22:   <li> Configure LON-CAPA </li>
   23:   <li> Pick a hosts.tab file </li>
   24:   <li> Create a Domain Coordinator </li>
   25:   <li> Start/Restart services </li>
   26:   <li> Log in to LON-CAPA </li>
   27: </ol>
   28: </p>
   29: 
   30: <h2>Obtain the Red Hat 7.3 installation CDs</h2>
   31: <p>
   32: If you like, you may contact the LON-CAPA development staff and we can
   33: mail the CDs to you.  Another option is to download the cd images and 
   34: burn them yourself.
   35: </p>
   36: 
   37: <h2>Determine Network settings for your site</h2>
   38: <p>
   39: You will need to have the following information for your site.  You must
   40: have a static IP address (do not use DHCP).
   41: <ul>
   42:   <li>ip address </li>
   43:   <li>netmask </li>
   44:   <li>network </li>
   45:   <li>broadcast </li>
   46:   <li>hostname </li>
   47:   <li>gateway </li>
   48:   <li>domain name server(s) </li>
   49: </ul>
   50: </p>
   51: 
   52: <h2>Install Red Hat 7.3</h2>
   53: <p>
   54: When you install RedHat you will need to ensure the following (the list below
   55: is in the order the issues appear in the installation of Red Hat 7.3):
   56: <dl>
   57:    <dt>Installation Type
   58:    <dd>You should definitely do a "Server" install.  We do not recommend
   59:        Trying to install LON-CAPA with a different installation type.
   60:    <dt>Partitioning your Drive
   61:    <dd>You may want to use the automatic partitioning feature of Red Hat,
   62:        however you should review the results and be prepared to modify them.
   63:        LON-CAPA resource files are stored in the /home directory, so the
   64:        lion's share of the drive should be allocated here.  If you have 8 GB 
   65:        of space for Red Hat, /home should receive 4 to 6 gigs.  Be sure to 
   66:        include adequate swap space.  A minimum is 512 Megs, but you should
   67:        typically have 1 or 2x as much swap space as you do physical RAM.
   68:    <dt>Network Configuration
   69:    <dd>LON-CAPA will <b>not</b> work with a machine set up to use a dynamic 
   70:        IP address.  When configuring your network card, be sure to unselect
   71:        the DHCP option and enter in your network information.
   72:    <dt>Firewall Configuration
   73:    <dd>The installation script will remove and disable your firewall.
   74:    <dt>Package Group Selection
   75:    <dd>At a minimum, install the following packages:
   76:       <ul>
   77:         <li>NFS File Server </li>
   78:         <li>Windows File Server </li>
   79:         <li>Web Server </li>
   80:       </ul>
   81:        Other packages can be installed as you like.
   82:    <dt>X Windows Configuration
   83:    <dd>If you chose to install the X-windows packages you will need to 
   84:        configure them.  If you are unsure of the support for your video
   85:        card you may wish to skip the configuration.
   86: </dl>
   87: Other notes:
   88: <ul>
   89:   <li>Use md5 and shadow passwords if you are given the choice (this is
   90:       the default). </li>
   91: </ul>
   92: </p>
   93: 
   94: <h2>Determine LON-CAPA settings</h2>
   95: <p>
   96: LON-CAPA requires a number of identifying parameters be set in order
   97: for it to function at all.  Below is a list with descriptions.
   98: <dl>
   99:   <dt>Host Type (library or access)
  100:   <dd>The server must be designated a 'library' or an 'access' server.  In
  101:       general you should have a library server for your instructors to create
  102:       their course content on and run their courses.  Students should connect
  103:       to access servers.  If you are doing the first install of LON-CAPA at 
  104:       your site, or if you are playing with it for your own edification, you
  105:       should make your machine a 'library' server.
  106:   <dt>LON-CAPA domain
  107:   <dd>Each site or school which installs LON-CAPA needs its own domain.
  108:       Here at MSU we use 'msu'.  You should choose something short but
  109:       meaningful.
  110:   <dt>LON-CAPA host id
  111:   <dd>Each LON-CAPA server requires a unique internal name.  We use names
  112:       such as "msul1" for the first library server.
  113:   <dt>Host administrator email
  114:   <dd>The amount of email sent to this address is relatively minimal.  Messages
  115:       are sent every time the system starts up.
  116:   <dt>Root password for SQL database
  117:   <dd>In order to keep people from corrupting the MYSQL database, a root
  118:       password is needed.  You'll need to remember this.
  119: </dl>
  120: </p>
  121: 
  122: <h2>Install LON-CAPA</h2>
  123: <p>
  124: Log in as root with the password you provided during the Red Hat 
  125: installation process.
  126: <pre>
  127: wget http://install.loncapa.org/versions/rh73install/loncapa-rh73install.tar
  128: tar xf loncapa-rh73install.tar
  129: cd install
  130: ./install.pl
  131: </pre>
  132: </p>
  133: 
  134: <h2>Configure LON-CAPA</h2>
  135: <p>
  136: Execute the following commands
  137: <pre>
  138: cd /root/loncapa/
  139: ./UPDATE
  140: </pre>
  141: You will need to enter the LON-CAPA configuration information you requested
  142: above.  Additionally, you will need to enter the following information 
  143: (options 5 and 6 in the menu):
  144: <dl>
  145:    <dt>Cache Expiration Time
  146:    <dd>86400
  147:    <dt>Server Load
  148:    <dd>2.0
  149: </dl>
  150: </p>
  151: 
  152: <h2>Picking a hosts.tab file</h2>
  153: The "hosts.tab" file controls which LON-CAPA servers your server attempts 
  154: to access and which servers it will respond to.  If this is your first 
  155: install of LON-CAPA on your network, we suggest choosing a 'standalone' 
  156: "hosts.tab".  Please contact the support staff at www.loncapa.org for
  157: information about adding more hosts to your "hosts.tab" file.
  158: 
  159: <h2>Creating a Domain Coordinator</h2>
  160: <p>
  161: You will need at least one user at your site who has the role of
  162: 'domain coordinator'.  This user creates accounts for other users and
  163: grants them additional privileges.  The make_domain_coordinator.pl script
  164: invoked below requires that you enter the users password.  The password will
  165: show in plaintext as you type it.  Feel free to use the "passwd username"
  166: command to change it later.  Replace USERNAME and DOMAIN with an 
  167: appropriate user name and your domain.
  168: <pre>
  169: cd /root/loncapa/loncom/build
  170: perl make_domain_coordinator.pl USERNAME DOMAIN
  171: mkdir ~USERNAME/public_html
  172: chown USERNAME:www ~USERNAME/public_html
  173: chmod 0775 ~USERNAME/public_html
  174: </pre>
  175: </p>
  176: 
  177: <h2>Start/Restart Services</h2>
  178: <p>
  179: The services take about 10 minutes to start.
  180: <pre>
  181: /etc/init.d/loncontrol start
  182: /etc/init.d/httpd restart
  183: </pre>
  184: </p>
  185: 
  186: <h2>Log in to your LON-CAPA Machine</h2>
  187: <p>
  188: Point a web browser at your new machine and log in as the domain
  189: coordinator.  Congratulations!
  190: </p>
  191: 
  192: 
  193: 

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