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1: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 2: "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 3: <html> 4: <head> 5: <meta http-equiv="Content-Type" content="text/html; charset=utf-8"></meta> 6: <title>Setting up a Red Hat7.3 LON-CAPA Server</title> 7: </head> 8: <body> 9:  10: <h1>Setting up a Red Hat 7.3 LON-CAPA Server</h1> 11: 12: <h2>Before you begin</h2> 13: <p> 14: Installing Linux is getting easier and easier. However, it is still a 15: non-trivial undertaking and experience with Red Hat Linux will make this 16: process easier. You will be required to log in to the machine and execute 17: some routine Unix commands. Some familiarity with Linux is assumed. 18: </p> 19: 20: <h2>Installation Overview</h2> 21: <p> 22: The installation process takes the following steps: 23: </p> 24: <ol> 25: <li> Obtain Red Hat 7.3 </li> 26: <li> Gather information for installing Red Hat </li> 27: <li> Install Red Hat 7.3 </li> 28: <li> Determine your LON-CAPA Settings </li> 29: <li> Install LON-CAPA </li> 30: <li> Configure LON-CAPA </li> 31: <li> Pick a hosts.tab file </li> 32: <li> Create a Domain Coordinator </li> 33: <li> Start/Restart services </li> 34: <li> Log in to LON-CAPA </li> 35: </ol> 36: 37: <h2>Obtain the Red Hat 7.3 installation CDs</h2> 38: <p> 39: If you like, you may contact the LON-CAPA development staff and we can 40: mail the CDs to you. Another option is to download the cd images and 41: burn them yourself, or install from a mirror site using ftp or http. 42: </p> 43: 44: <h2>Determine Network settings for your site</h2> 45: <p> 46: You will need to have the following information for your site. You must 47: have a static IP address (do not use DHCP). 48: </p> 49: <ul> 50: <li>ip address </li> 51: <li>netmask </li> 52: <li>network </li> 53: <li>broadcast </li> 54: <li>hostname </li> 55: <li>gateway </li> 56: <li>domain name server(s) </li> 57: </ul> 58: 59: <h2>Install Red Hat 7.3</h2> 60: <p> 61: When you install RedHat you will need to ensure the following (the list below 62: is in the order the issues appear in the installation of Red Hat 7.3): 63: </p> 64: <dl> 65: <dt>Installation Type</dt> 66: <dd>You should definitely do a "Server" install. We do not recommend 67: Trying to install LON-CAPA with a different installation type.</dd> 68: <dt>Partitioning your Drive</dt> 69: <dd>You may want to use the automatic partitioning feature of Red Hat, 70: however you should review the results and be prepared to modify them. 71: LON-CAPA resource files are stored in the /home directory, so the 72: lion's share of the drive should be allocated here. If you have 8 GB 73: of space for Red Hat, /home should receive 4 to 6 gigs. Be sure to 74: include adequate swap space. A minimum is 512 Megs, but you should 75: typically have 1 or 2x as much swap space as you do physical RAM.</dd> 76: <dt>Network Configuration</dt> 77: <dd>LON-CAPA will <b>not</b> work with a machine set up to use a dynamic 78: IP address. When configuring your network card, be sure to unselect 79: the DHCP option and enter in your network information.</dd> 80: <dt>Firewall Configuration</dt> 81: <dd>The installation script will remove and disable your firewall.</dd> 82: <dt>Package Group Selection</dt> 83: <dd>At a minimum, install the following packages: 84: <ul> 85: <li>NFS File Server </li> 86: <li>Windows File Server </li> 87: <li>Web Server </li> 88: </ul> 89: Other packages can be installed as you like.</dd> 90: <dt>X Windows Configuration</dt> 91: <dd>If you chose to install the X-windows packages you will need to 92: configure them. If you are unsure of the support for your video 93: card you may wish to skip the configuration.</dd> 94: </dl> 95: <p> 96: Other notes: 97: </p> 98: <ul> 99: <li>Use md5 and shadow passwords if you are given the choice (this is 100: the default). </li> 101: </ul> 102: 103: <h2>Determine LON-CAPA settings</h2> 104: <p> 105: LON-CAPA requires a number of identifying parameters be set in order 106: for it to function at all. Below is a list with descriptions. 107: </p> 108: <dl> 109: <dt>Host Type (library or access)</dt> 110: <dd>The server must be designated a 'library' or an 'access' server. In 111: general you should have a library server for your instructors to create 112: their course content on and run their courses. Students should connect 113: to access servers. If you are doing the first install of LON-CAPA at 114: your site, or if you are playing with it for your own edification, you 115: should make your machine a 'library' server.</dd> 116: <dt>LON-CAPA domain</dt> 117: <dd>Each site or school which installs LON-CAPA needs its own domain. 118: Here at MSU we use 'msu'. You should choose something short but 119: meaningful. 120: <i>Restriction: One word, no hyphens, underscores, or special characters</i> 121: </dd> 122: <dt>LON-CAPA host id</dt> 123: <dd>Each LON-CAPA server requires a unique internal name. We use names 124: such as "msul1" for the first library server. 125: <i>Restriction: One word, no hyphens, underscores, or special characters</i> 126: </dd> 127: <dt>Host administrator email</dt> 128: <dd>The amount of email sent to this address is relatively minimal. Messages 129: are sent every time the system starts up, or if the system is in 130: serious trouble. On a laptop, make this <tt>root@localhost</tt>. 131: </dd> 132: <dt>Root password for SQL database</dt> 133: <dd>In order to keep people from corrupting the MYSQL database, a root 134: password is needed. You'll need to remember this.</dd> 135: </dl> 136: 137: <h2>Install LON-CAPA</h2> 138: <p> 139: Log in as root with the password you provided during the Red Hat 140: installation process. 141: </p> 142: <pre> 143: wget http://install.loncapa.org/versions/rh73install/loncapa-rh73install.tar 144: tar xf loncapa-rh73install.tar 145: cd install 146: ./install.pl 147: </pre> 148: 149: <h2>Configure LON-CAPA</h2> 150: <p> 151: Execute the following commands 152: </p> 153: <pre> 154: cd /root/loncapa/ 155: ./UPDATE 156: </pre> 157: <p> 158: You will need to enter the LON-CAPA configuration information you requested 159: above. 160: </p> 161: 162: <h2>Picking a hosts.tab file</h2> 163: <p> 164: The "hosts.tab" file controls which LON-CAPA servers your server attempts 165: to access and which servers it will respond to. If this is your first 166: install of LON-CAPA on your network, we suggest choosing a 'standalone' 167: "hosts.tab". On a laptop, you must choose 'standalone'. 168: Please contact the support staff at www.loncapa.org for 169: information about adding more hosts to your "hosts.tab" file. 170: </p> 171: <p> 172: <b>Note:</b> for <b>non</b>-standalone configurations, you do need to add 173: yourself to the <tt>/home/httpd/lonTabs/hosts.tab</tt> to initially test your 174: configuration. Eventually, you will be added to the general cluster tables by 175: LON-CAPA staff, so this is temporary. A <tt>hosts.tab</tt> entry has the 176: format 177: </p> 178: <pre> 179: lonHostID:domain:hosttype:dns-name:ipaddress 180: </pre> 181: <p> 182: for example 183: </p> 184: <pre> 185: 103l5:library:s17.lite.msu.edu:35.8.63.27 186: </pre> 187: <p> 188: Please edit this file with a UNIX editor, not a PC or Mac one, so that the 189: linebreaks are correct. 190: </p> 191: 192: <h2>Creating a Domain Coordinator</h2> 193: <p> 194: You will need at least one user at your site who has the role of 195: 'domain coordinator'. This user creates accounts for other users and 196: grants them additional privileges. The make_domain_coordinator.pl script 197: invoked below requires that you enter the users password. The password will 198: show in plaintext as you type it. Feel free to use the "passwd username" 199: command to change it later. Replace USERNAME and DOMAIN with an 200: appropriate user name and your domain. 201: </p> 202: <pre> 203: cd /root/loncapa/loncom/build 204: perl make_domain_coordinator.pl USERNAME DOMAIN 205: (WILL PROMPT FOR PASSWORD HERE) 206: mkdir ~USERNAME/public_html 207: chown USERNAME:www ~USERNAME/public_html 208: chmod 0775 ~USERNAME/public_html 209: chmod a+x ~USERNAME 210: </pre> 211: 212: <h2>Start/Restart Services</h2> 213: <p> 214: The services take about 10 minutes to start. 215: </p> 216: <pre> 217: /etc/init.d/loncontrol start 218: /etc/init.d/httpd restart 219: </pre> 220: 221: <h2>Make Sure that Services Autostart on Boot</h2> 222: <p>On Redhat 7.3 it is not guaranteed that Apache and MySQL automatically 223: restart on boot. You should run /usr/sbin/ntsysv and set the following 224: daemons to be started at boot: 225: </p> 226: <pre> 227: httpd 228: mysqld 229: </pre> 230: <p> 231: It is not necessary to reboot after doing this as they should already be 232: running by this point in the installation. 233: </p> 234: <pre> 235: /etc/init.d/httpd restart 236: /etc/init.d/mysqld restart 237: </pre> 238: 239: <h2>Log in to your LON-CAPA Machine</h2> 240: <p> 241: Point a web browser at your new machine and log in as the domain 242: coordinator. Congratulations! 243: </p> 244: </body> 245: </html>