Annotation of doc/build/sles10_install.frag, revision 1.1
1.1 ! raeburn 1: <h1>Installing LON-CAPA on a minimal SuSE Linux Enterprise Server (SLES) 10</h1>
! 2: <p>
! 3: This document guides you through the process of setting up a new LON-CAPA
! 4: server running SuSE Linux Enterprise Server 10 (SLES 10) with a minimum of packages installed.
! 5: The computer will be configured solely as a LON-CAPA server and will be
! 6: expected to have no other services running. Your server is expected to have
! 7: a reasonably fast connection to the internet.
! 8: </p><p>
! 9: More information is available at
! 10: <a href="http://install.lon-capa.org/">http://install.lon-capa.org/</a>.
! 11: </p>
! 12:
! 13: <h2>Before you begin</h2>
! 14: <p>
! 15: Installing Linux is getting easier and easier.
! 16: You will be required to log in to the machine and execute
! 17: some routine Unix commands. Familiarity with the Apache web server, mod_perl,
! 18: perl, and MySQL are not required to install and run LON-CAPA.
! 19: </p>
! 20:
! 21: <h2>Installation Overview</h2>
! 22: <p>
! 23: The installation process takes the following steps:
! 24: </p>
! 25: <ol>
! 26: <li> Obtain SLES 10 installation media</li>
! 27: <li> Determine Network Settings</li>
! 28: <li> Install SLES 10</li>
! 29: <li> Update your system </li>
! 30: <li> Install LON-CAPA </li>
! 31: <li> Create a Domain Coordinator </li>
! 32: <li> Start/Restart services </li>
! 33: <li> Log in to LON-CAPA </li>
! 34: </ol>
! 35:
! 36: <h2>Obtain SuSE Linux Enterprise Server 10</h2>
! 37: <p>
! 38: SuSE ISO files can be obtained from the Novell site: <a href="http://www.novell.com/products/server/">http://www.novell.com/products/server/</a>.
! 39: </p>
! 40:
! 41: <h2>Determine Network Settings</h2>
! 42: <p>
! 43: You will need to know the following network settings for your installation.
! 44: <b>Note:</b>You must have a static IP address to use LON-CAPA.
! 45: DHCP is <em>not</em> supported.
! 46: </p>
! 47: <ul>
! 48: <li>ip address </li>
! 49: <li>netmask </li>
! 50: <li>hostname </li>
! 51: <li>gateway </li>
! 52: <li>domain name server(s) </li>
! 53: </ul>
! 54:
! 55: <h2>Minimal SLES 10 Install</h2>
! 56: <p>
! 57: Installing SuSE Linux Enterprise Server is quite easy if you've installed Linux products
! 58: before. Some documentation is available from
! 59: <a href="http://www.novell.com/documentation/sles10/">
! 60: http://www.novell.com/documentation/sles10/</a>.<br /><br />
! 61: Most of the subsequent installation screens are self explanatory.
! 62: There are a few steps that require comment and are dealt with below.
! 63: </p>
! 64: <dl style="list-style:square outside none">
! 65: <dt>Partitioning your Drive</dt>
! 66: <dd>For a LON-CAPA library server (i.e., the main server used
! 67: for permanent storage of course and user data),
! 68: a separate partition is recommended for /home, as this
! 69: simplifies future upgrades of the operating system.
! 70: If you are adding an additional access server to an
! 71: existing LON-CAPA domain, this does not apply as no
! 72: permanent data are stored on an access server.
! 73: As LON-CAPA resource files are stored in the /home directory,
! 74: the majority of the disk space should be allocated here.
! 75: If you have 20 GB of space for SLES10, /home should
! 76: receive at least 10 to 12 gigs. Since MySQL uses the /var
! 77: filesystem to store its databases you should have as least
! 78: 4 gigs of space available on /var. Be sure to
! 79: include adequate swap space. A minimum is 512 Megs, but you should
! 80: typically have 1 or 2x as much swap space as you do physical RAM.
! 81: </dd>
! 82: <dt>Software Selection</dt>
! 83: <dd>
! 84: Installation of the minimum set of packages is recommended. This will involve unchecking all checkboxes except for the base SuSE installation.</dd>
! 85: </dl>
! 86: <p>Once you system has rebooted, you will use yast to complete the configuration. Change the following settings:
! 87: <dl style="list-style:square outside none">
! 88: <dt>Network Configuration</dt>
! 89: <dd>LON-CAPA will <b>not</b> work with a machine set up to use a dynamic
! 90: IP address. When configuring your network card, you should include you static IP address, netmask, host name information (e.g., host name = tmp1, domain = lite.msu.edu), as well as name servers and gateway.
! 91: </dd>
! 92: <dt>Online update</dt>
! 93: <dd>Indicate "Yes" when prompted to "run online update now?"</dd>
! 94: </dt>
! 95: </dl>
! 96: <p>
! 97: Finish installing your server, read the "readme", reboot and log in as root.
! 98: </p>
! 99: <h2>Configure Firewall Settings</h2>
! 100: <p>After reboot you should start yast, and select Security and Users -> Firewall. At step 2 include the following services: HTTP, HTTP with SSL, and Secure Shell. Use the "Expert..." option to add additional TCP services on ports 5663 and 8080.
! 101: </p>
! 102: <h2>Change software sources for your system</h2>
! 103: <p>
! 104: You will use yast to import packages required for LON-CAPA.<br />
! 105: Execute:
! 106: </p>
! 107: <pre>
! 108: yast
! 109: </pre>
! 110: <p>
! 111: Select "Change Source of Installation". The media you used to install SLES10 will be listed as an installation source. You may also wish to create a local repository by copying the contents of the RPM directories on the five CDs to a local directory to avoid the need to flip CDs during LON-CAPA installation. Information about building a local repository is available at:<a href="http://portal.suse.com/sdb/en/2004/02/yast_instsrc.html">http://portal.suse.com/sdb/en/2004/02/yast_instsrc.html</a>.
! 112: </p>
! 113: <h3>Add an additional installation source</h3>
! 114: <p>Add the LON-CAPA SLES 10 repository as an additional installation source, so software installation in yast will have access to two repositories - a SuSE/Novell source (for packages included for the standard distribution) and the LON-CAPA repository (for extra packages needed to run LON-CAPA). For the LON-CAPA source you will use:
! 115: <dl style="list-style:square outside none">
! 116: <dd>Protocol</dd>
! 117: <dt>HTTP</dt>
! 118: <dd>Server Name</dd>
! 119: <dt>install.loncapa.org</dt>
! 120: <dd>Directory on server</dd>
! 121: <dt>suse/sles10/</dt>
! 122: <dd>Authentication</dd>
! 123: <dt>Anonymous</dt>
! 124: </dl>
! 125: After saving this configuration information for the LON-CAPA repository, quit yast.
! 126: </p>
! 127: <h3>Install prerequisites</h3>
! 128: <p> Execute: </p>
! 129: <pre>
! 130: yast -i LONCAPA-prerequisites
! 131: </pre><p>
! 132: This may take a moment due to LON-CAPA's large number of dependencies.
! 133: </p>
! 134: <h3>Retrieve and execute LON-CAPA setup program</h3>
! 135: <p>
! 136: Retrieve the LON-CAPA setup with one of the following commands:
! 137: </p>
! 138: <pre>
! 139: wget http://install.loncapa.org/versions/suse/sles10/sles10_install.tar
! 140: </pre>
! 141: <p>
! 142: Extract the archive with the following command:
! 143: </p>
! 144: <pre>
! 145: tar xf sles10_install.tar
! 146: </pre>
! 147: <p>
! 148: This creates a directory named <tt>installation</tt>. Change to it and
! 149: execute the setup script with the following commands:
! 150: </p>
! 151: <pre>
! 152: cd installation
! 153: ./install.pl
! 154: </pre>
! 155: <p>
! 156: This script will prompt you for the MySQL root password and will download the latest LON-CAPA release.
! 157: </p>
! 158: <h3>Determine LON-CAPA Settings</h3>
! 159: <p>
! 160: LON-CAPA requires a number of identifying parameters to be set in order
! 161: for it to function at all. Below is a list with descriptions.
! 162: </p>
! 163: <dl>
! 164: <dt>Host Type (library or access)</dt>
! 165: <dd>The server must be designated a 'library' or an 'access' server. In
! 166: general you should have a library server for your instructors to create
! 167: their course content on and run their courses. Students should connect
! 168: to access servers. If you are doing the first install of LON-CAPA at
! 169: your site, or if you are playing with it for your own edification you
! 170: should make your machine a 'library' server.</dd>
! 171: <dt>LON-CAPA domain</dt>
! 172: <dd>Each site or school which installs LON-CAPA needs its own domain.
! 173: Here at MSU we use 'msu'. You should choose something short but
! 174: meaningful. <i>Restriction: One word, no hyphens, underscores, or
! 175: special characters.</i>
! 176: </dd>
! 177: <dt>LON-CAPA host id</dt>
! 178: <dd>Each LON-CAPA server requires a unique internal name. We use names
! 179: such as "msul1" for the first library server. <i>Restriction: One word,
! 180: no hyphens, underscores, or special characters.</i>
! 181: </dd>
! 182: <dt>Host administrator email</dt>
! 183: <dd>The amount of email sent to this address is relatively minimal. Messages
! 184: are sent every time the system starts up, or if the system is in
! 185: serious trouble. On a laptop, make this <tt>root@localhost</tt>.
! 186: </dd>
! 187: </dl>
! 188:
! 189: <h3>Configuring LON-CAPA</h3>
! 190: <p>
! 191: To configure and install LON-CAPA, execute the following commands:
! 192: </p>
! 193: <pre>
! 194: cd /root/loncapa-N.N.N (N.N.N should correspond to a version number like '2.2.2')
! 195: ./UPDATE
! 196: </pre>
! 197: <p>
! 198: You will need to enter the LON-CAPA configuration information you determined
! 199: in the previous section.
! 200: </p>
! 201: <p>After installing LON-CAPA, and taking any actions included in the WARNINGS file created during installation, it is recommended that you set loncontrol to start automatically on boot, by executing the following command:</p>
! 202: <pre>
! 203: /sbin/chkconfig --level 345 loncontrol on
! 204: </pre>
! 205: <h2>Creating a Domain Coordinator</h2>
! 206: <p>
! 207: You will need at least one user at your site who has the role of
! 208: 'domain coordinator'. This user creates accounts for other users and
! 209: grants them additional privileges. The make_domain_coordinator.pl script
! 210: invoked below requires that you enter the users password. The password will
! 211: show in plaintext as you type it. Feel free to use the "passwd username"
! 212: command to change it later. Replace USERNAME and DOMAIN with an
! 213: appropriate user name and your domain.
! 214: </p>
! 215: <pre>
! 216: cd /root/loncapa-N.N/loncom/build
! 217: perl make_domain_coordinator.pl USERNAME DOMAIN
! 218: (WILL PROMPT FOR PASSWORD HERE)
! 219: </pre>
! 220: <h2>Start/Restart Services</h2>
! 221: <p>
! 222: The LON-CAPA network services take a moment to start. Most misconfigurations
! 223: will be apparent at this step.
! 224: </p>
! 225: <pre>
! 226: /etc/init.d/loncontrol start
! 227: /etc/init.d/apache2 start
! 228: </pre>
! 229: <p>
! 230: If you receive warnings when starting the httpd about missing perl modules,
! 231: please make sure you followed the instructions in
! 232: <b>Installing LON-CAPA Dependencies</b>. If you still have errors, please
! 233: contact the LON-CAPA support team.
! 234: </p>
! 235: <h2>Log in to your LON-CAPA Machine</h2>
! 236: <p>
! 237: Point a web browser at your new machine and log in as the domain
! 238: coordinator. Congratulations!
! 239: </p>
! 240: <h2>If things aren't working right</h2>
! 241: <p>
! 242: If you've followed the steps above and the server doesn't start or you think
! 243: there's something wrong, please get in touch with the LON-CAPA support team.
! 244: You can submit a help request using our web form:<br />
! 245: <a href="http://support.loncapa.org/help/">http://support.loncapa.org/help/</a><br />
! 246: If there were errors in installation of the dependency RPMs or during the
! 247: automatic setup, please send us as much information as possible.
! 248: If some part of this document is unclear please let us know.
! 249: </p>
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