Annotation of doc/build/sles11_install.frag, revision 1.1
1.1 ! raeburn 1: <h1>Installing LON-CAPA on a minimal SuSE Linux Enterprise Server (SLES) 11</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 11 (SLES 11) 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><a href="#obt">Obtain SLES 11 installation media</a></li>
! 27: <li><a href="#net">Determine Network Settings</a></li>
! 28: <li><a href="#lin">Install SLES 11</a></li>
! 29: <li><a href="#upd">Update your system</a></li>
! 30: <li><a href="#ilc">Install LON-CAPA</a></li>
! 31: <li><a href="#cdc">Create a Domain Coordinator</a></li>
! 32: <li><a href="#sts">Start/Restart services</a></li>
! 33: <li><a href="#log">Log in to LON-CAPA</a></li>
! 34: </ol>
! 35:
! 36: <hr />
! 37: <h2>1. <a name="obt">Obtain SuSE Linux Enterprise Server 11</a></h2>
! 38: <p>
! 39: 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>. Only DVD1 is required for each architecture (DVD2 contains source rpms for the various packages).
! 40: </p>
! 41:
! 42: <h2>2. <a name="net">Determine Network Settings</a></h2>
! 43: <p>
! 44: You will need to know the following network settings for your installation.
! 45: <b>Note:</b>You must have a static IP address to use LON-CAPA.
! 46: DHCP is <em>not</em> supported.
! 47: </p>
! 48: <ul>
! 49: <li>ip address </li>
! 50: <li>netmask </li>
! 51: <li>hostname </li>
! 52: <li>gateway </li>
! 53: <li>domain name server(s) </li>
! 54: </ul>
! 55:
! 56: <h2>3. <a name="lin">Minimal SLES 11 Install</a></h2>
! 57: <p>
! 58: Installing SuSE Linux Enterprise Server is quite easy if you've installed Linux products
! 59: before. Some documentation is available from
! 60: <a href="http://www.novell.com/documentation/sles11/">
! 61: http://www.novell.com/documentation/sles11/</a>.<br /><br />
! 62: Most of the subsequent installation screens are self explanatory.
! 63: There are a few steps that require comment and are dealt with below.
! 64: </p>
! 65: <dl style="list-style:square outside none">
! 66: <dt>Installation Language</dt>
! 67: <dd>Use English as your installation language.</dd>
! 68:
! 69: <dt>Partitioning your Drive</dt>
! 70: <dd>For a LON-CAPA library server (i.e., the main server used
! 71: for permanent storage of course and user data),
! 72: a separate partition is recommended for /home, as this
! 73: simplifies future upgrades of the operating system.
! 74: If you are adding an additional access server to an
! 75: existing LON-CAPA domain, this does not apply as no
! 76: permanent data are stored on an access server.
! 77: As LON-CAPA resource files are stored in the /home directory,
! 78: the majority of the disk space should be allocated here.
! 79: If you have 20 GB of space for SLES11, /home should
! 80: receive at least 10 to 12 gigs. Since MySQL uses the /var
! 81: filesystem to store its databases you should have as least
! 82: 4 gigs of space available on /var. Be sure to
! 83: include adequate swap space. A minimum is 512 Megs, but you should
! 84: typically have 1 or 2x as much swap space as you do physical RAM.
! 85: </dd>
! 86: <dt>Software Selection</dt>
! 87: <dd>
! 88: Installation of the minimum set of packages is recommended. This will involve unchecking all checkboxes except for the base SLES installation.</dd>
! 89: </dl>
! 90: <p>Once you system has rebooted, you will use yast to complete the configuration. Change the following settings:
! 91: <dl style="list-style:square outside none">
! 92: <dt>Network Configuration</dt>
! 93: <dd>LON-CAPA will <b>not</b> work with a machine set up to use a dynamic
! 94: 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.
! 95: </dd>
! 96: <dt>Online update</dt>
! 97: <dd>Indicate "Yes" when prompted to "run online update now?"</dd>
! 98: </dt>
! 99: </dl>
! 100: <p>
! 101: Finish installing your server, read the "readme", reboot and log in as root.
! 102: </p>
! 103: <h3>Configure Firewall Settings</h3>
! 104: <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.
! 105: </p>
! 106:
! 107: <h2>4. <a name="upd">Change software sources for your system</a></h2>
! 108: <p>
! 109: You will use yast to import packages required for LON-CAPA.<br />
! 110: Execute:
! 111: </p>
! 112: <pre>
! 113: yast
! 114: </pre>
! 115: <p>
! 116: Select "Change Source of Installation". The media you used to install SLES11 will be listed as an installation source. If you do not already have a SLES11 installation source at your location, you may want to consider creating one from the iso files you used to create . Proceed as follows (e.g., for 32 bit):</p>
! 117: <pre>
! 118: mkdir -p sles11/DVD1
! 119: mount -o ro,loop SLES-11-DVD-i586-GM-DVD1.iso /mnt
! 120: cp -rv /mnt/* sles11/DVD1
! 121: umount /mnt
! 122: </pre>
! 123: <h3>Add an additional installation source</h3>
! 124: <p>Add the LON-CAPA SLES 11 repository as an additional installation source, so software installation in yast will have access to at least 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:
! 125: <dl style="list-style:square outside none">
! 126: <dd>Protocol</dd>
! 127: <dt>HTTP</dt>
! 128: <dd>Server Name</dd>
! 129: <dt>install.loncapa.org</dt>
! 130: <dd>Directory on server</dd>
! 131: <dt>suse/sles11/</dt>
! 132: <dd>Authentication</dd>
! 133: <dt>Anonymous</dt>
! 134: </dl>
! 135: After saving this configuration information for the LON-CAPA repository, quit yast.
! 136: </p>
! 137: <h2>5. <a name="ilc">Installing LON-CAPA</a></h2>
! 138: <h3>Install prerequisites</h3>
! 139: <p> Execute: </p>
! 140: <pre>
! 141: yast -i LONCAPA-prerequisites
! 142: </pre><p>
! 143: This may take a moment due to LON-CAPA's large number of dependencies.
! 144: </p>
! 145: <h3>Retrieve and execute LON-CAPA setup program</h3>
! 146: <p>
! 147: Retrieve the LON-CAPA setup with one of the following commands:
! 148: </p>
! 149: <pre>
! 150: wget http://install.loncapa.org/versions/suse/sles11/sles11_install.tar
! 151: </pre>
! 152: <p>
! 153: Extract the archive with the following command:
! 154: </p>
! 155: <pre>
! 156: tar xf sles11_install.tar
! 157: </pre>
! 158: <p>
! 159: This creates a directory named <tt>installation</tt>. Change to it and
! 160: execute the setup script with the following commands:
! 161: </p>
! 162: <pre>
! 163: cd installation
! 164: ./install.pl
! 165: </pre>
! 166: <p>
! 167: This script will prompt you for the MySQL root password and will download the latest LON-CAPA release.
! 168: </p>
! 169: <h3>Determine LON-CAPA Settings</h3>
! 170: <p>
! 171: LON-CAPA requires a number of identifying parameters to be set in order
! 172: for it to function at all. Below is a list with descriptions.
! 173: </p>
! 174: <dl>
! 175: <dt>Host Type (library or access)</dt>
! 176: <dd>The server must be designated a 'library' or an 'access' server. In
! 177: general you should have a library server for your instructors to create
! 178: their course content on and run their courses. Students should connect
! 179: to access servers. If you are doing the first install of LON-CAPA at
! 180: your site, or if you are playing with it for your own edification you
! 181: should make your machine a 'library' server.</dd>
! 182: <dt>LON-CAPA domain</dt>
! 183: <dd>Each site or school which installs LON-CAPA needs its own domain.
! 184: Here at MSU we use 'msu'. You should choose something short but
! 185: meaningful. <i>Restriction: One word, no hyphens, underscores, or
! 186: special characters.</i>
! 187: </dd>
! 188: <dt>LON-CAPA host id</dt>
! 189: <dd>Each LON-CAPA server requires a unique internal name. We use names
! 190: such as "msul1" for the first library server. <i>Restriction: One word,
! 191: no hyphens, underscores, or special characters.</i>
! 192: </dd>
! 193: <dt>Host administrator email</dt>
! 194: <dd>The amount of email sent to this address is relatively minimal. Messages
! 195: are sent every time the system starts up, or if the system is in
! 196: serious trouble. On a laptop, make this <tt>root@localhost</tt>.
! 197: </dd>
! 198: </dl>
! 199:
! 200: <h3>Configuring LON-CAPA</h3>
! 201: <p>
! 202: To configure and install LON-CAPA, execute the following commands:
! 203: </p>
! 204: <pre>
! 205: cd /root/loncapa-N.N.N (N.N.N should correspond to a version number like '2.2.2')
! 206: ./UPDATE
! 207: </pre>
! 208: <p>
! 209: You will need to enter the LON-CAPA configuration information you determined
! 210: in the previous section.
! 211: </p>
! 212: <h2>6. <a name="cdc">Creating a Domain Coordinator</a></h2>
! 213: <p>
! 214: You will need at least one user at your site who has the role of
! 215: 'domain coordinator'. This user creates accounts for other users and
! 216: grants them additional privileges. The make_domain_coordinator.pl script
! 217: invoked below requires that you enter the users password. The password will
! 218: show in plaintext as you type it. Feel free to use the "passwd username"
! 219: command to change it later. Replace USERNAME and DOMAIN with an
! 220: appropriate user name and your domain.
! 221: </p>
! 222: <pre>
! 223: cd /root/loncapa-N.N/loncom/build
! 224: perl make_domain_coordinator.pl USERNAME DOMAIN
! 225: (WILL PROMPT FOR PASSWORD HERE)
! 226: </pre>
! 227:
! 228: <h2>7. <a name="sts">Start/Restart Services</a></h2>
! 229: <p>
! 230: The LON-CAPA network services take a moment to start. Most misconfigurations
! 231: will be apparent at this step.
! 232: </p>
! 233: <pre>
! 234: /etc/init.d/loncontrol start
! 235: /etc/init.d/apache2 start
! 236: </pre>
! 237: <p>
! 238: If you receive warnings when starting the httpd about missing perl modules,
! 239: please make sure you followed the instructions in
! 240: <b>Installing LON-CAPA Dependencies</b>. If you still have errors, please
! 241: contact the LON-CAPA group.
! 242: </p>
! 243:
! 244: <h2>8. <a name="log">Log in to your LON-CAPA Machine</a></h2>
! 245: <p>
! 246: Point a web browser at your new machine and log in as the domain
! 247: coordinator. Congratulations!
! 248: </p>
! 249:
! 250: <hr />
! 251: <h2>If things aren't working right</h2>
! 252: <p>
! 253: If you've followed the steps above and the server doesn't start or you think
! 254: there's something wrong, please get in touch with the LON-CAPA group.
! 255: You can submit a help request using our web form:<br />
! 256: <a href="http://help.loncapa.org/help/">http://help.loncapa.org/help/</a><br />
! 257: If there were errors in installation of the dependency RPMs or during the
! 258: automatic setup, please send us as much information as possible.
! 259: If some part of this document is unclear please let us know.
! 260: </p>
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