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6: <title>Setting up a Red Hat7.3 LON-CAPA Server</title>
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1.8 ! harris41 9: <!-- $Id: new_install_rh73.html,v 1.7 2002/07/18 18:40:10 harris41 Exp $ -->
1.3 www 10: <h1>Setting up a Red Hat 7.3 LON-CAPA Server</h1>
1.8 ! harris41 11: <h2>Integrated installation</h2>
! 12: <p>
! 13: These instructions combine the installation of RedHat 7.3 and LON-CAPA
! 14: into one straightforward process. (For example, a script <tt>install.pl</tt>
! 15: exists to help automate a number of steps in the installation.)
! 16: More information is available at <a href="http://install.lon-capa.org/">
! 17: http://install.lon-capa.org/</a>.
! 18: </p>
1.1 matthew 19:
20: <h2>Before you begin</h2>
21: <p>
22: Installing Linux is getting easier and easier. However, it is still a
23: non-trivial undertaking and experience with Red Hat Linux will make this
24: process easier. You will be required to log in to the machine and execute
25: some routine Unix commands. Some familiarity with Linux is assumed.
26: </p>
27:
28: <h2>Installation Overview</h2>
29: <p>
30: The installation process takes the following steps:
1.7 harris41 31: </p>
1.1 matthew 32: <ol>
1.2 matthew 33: <li> Obtain Red Hat 7.3 </li>
34: <li> Gather information for installing Red Hat </li>
35: <li> Install Red Hat 7.3 </li>
36: <li> Determine your LON-CAPA Settings </li>
37: <li> Install LON-CAPA </li>
38: <li> Configure LON-CAPA </li>
39: <li> Pick a hosts.tab file </li>
40: <li> Create a Domain Coordinator </li>
41: <li> Start/Restart services </li>
42: <li> Log in to LON-CAPA </li>
1.1 matthew 43: </ol>
44:
45: <h2>Obtain the Red Hat 7.3 installation CDs</h2>
46: <p>
47: If you like, you may contact the LON-CAPA development staff and we can
48: mail the CDs to you. Another option is to download the cd images and
1.3 www 49: burn them yourself, or install from a mirror site using ftp or http.
1.1 matthew 50: </p>
51:
1.2 matthew 52: <h2>Determine Network settings for your site</h2>
1.1 matthew 53: <p>
1.2 matthew 54: You will need to have the following information for your site. You must
55: have a static IP address (do not use DHCP).
1.7 harris41 56: </p>
1.1 matthew 57: <ul>
1.2 matthew 58: <li>ip address </li>
59: <li>netmask </li>
60: <li>network </li>
61: <li>broadcast </li>
62: <li>hostname </li>
63: <li>gateway </li>
64: <li>domain name server(s) </li>
1.1 matthew 65: </ul>
66:
67: <h2>Install Red Hat 7.3</h2>
68: <p>
69: When you install RedHat you will need to ensure the following (the list below
70: is in the order the issues appear in the installation of Red Hat 7.3):
1.7 harris41 71: </p>
1.1 matthew 72: <dl>
1.7 harris41 73: <dt>Installation Type</dt>
1.1 matthew 74: <dd>You should definitely do a "Server" install. We do not recommend
1.7 harris41 75: Trying to install LON-CAPA with a different installation type.</dd>
76: <dt>Partitioning your Drive</dt>
1.1 matthew 77: <dd>You may want to use the automatic partitioning feature of Red Hat,
78: however you should review the results and be prepared to modify them.
79: LON-CAPA resource files are stored in the /home directory, so the
80: lion's share of the drive should be allocated here. If you have 8 GB
81: of space for Red Hat, /home should receive 4 to 6 gigs. Be sure to
82: include adequate swap space. A minimum is 512 Megs, but you should
1.7 harris41 83: typically have 1 or 2x as much swap space as you do physical RAM.</dd>
84: <dt>Network Configuration</dt>
1.1 matthew 85: <dd>LON-CAPA will <b>not</b> work with a machine set up to use a dynamic
86: IP address. When configuring your network card, be sure to unselect
1.7 harris41 87: the DHCP option and enter in your network information.</dd>
88: <dt>Firewall Configuration</dt>
89: <dd>The installation script will remove and disable your firewall.</dd>
90: <dt>Package Group Selection</dt>
1.1 matthew 91: <dd>At a minimum, install the following packages:
92: <ul>
1.2 matthew 93: <li>NFS File Server </li>
94: <li>Windows File Server </li>
95: <li>Web Server </li>
1.1 matthew 96: </ul>
1.7 harris41 97: Other packages can be installed as you like.</dd>
98: <dt>X Windows Configuration</dt>
1.1 matthew 99: <dd>If you chose to install the X-windows packages you will need to
100: configure them. If you are unsure of the support for your video
1.7 harris41 101: card you may wish to skip the configuration.</dd>
1.1 matthew 102: </dl>
1.7 harris41 103: <p>
1.1 matthew 104: Other notes:
1.7 harris41 105: </p>
1.1 matthew 106: <ul>
107: <li>Use md5 and shadow passwords if you are given the choice (this is
1.2 matthew 108: the default). </li>
1.1 matthew 109: </ul>
110:
111: <h2>Determine LON-CAPA settings</h2>
112: <p>
113: LON-CAPA requires a number of identifying parameters be set in order
114: for it to function at all. Below is a list with descriptions.
1.7 harris41 115: </p>
1.1 matthew 116: <dl>
1.7 harris41 117: <dt>Host Type (library or access)</dt>
1.1 matthew 118: <dd>The server must be designated a 'library' or an 'access' server. In
119: general you should have a library server for your instructors to create
120: their course content on and run their courses. Students should connect
121: to access servers. If you are doing the first install of LON-CAPA at
122: your site, or if you are playing with it for your own edification, you
1.7 harris41 123: should make your machine a 'library' server.</dd>
124: <dt>LON-CAPA domain</dt>
1.1 matthew 125: <dd>Each site or school which installs LON-CAPA needs its own domain.
126: Here at MSU we use 'msu'. You should choose something short but
1.7 harris41 127: meaningful.
1.6 matthew 128: <i>Restriction: One word, no hyphens, underscores, or special characters</i>
1.7 harris41 129: </dd>
130: <dt>LON-CAPA host id</dt>
1.1 matthew 131: <dd>Each LON-CAPA server requires a unique internal name. We use names
1.6 matthew 132: such as "msul1" for the first library server.
133: <i>Restriction: One word, no hyphens, underscores, or special characters</i>
1.7 harris41 134: </dd>
135: <dt>Host administrator email</dt>
1.1 matthew 136: <dd>The amount of email sent to this address is relatively minimal. Messages
1.6 matthew 137: are sent every time the system starts up, or if the system is in
138: serious trouble. On a laptop, make this <tt>root@localhost</tt>.
1.7 harris41 139: </dd>
140: <dt>Root password for SQL database</dt>
1.1 matthew 141: <dd>In order to keep people from corrupting the MYSQL database, a root
1.7 harris41 142: password is needed. You'll need to remember this.</dd>
1.1 matthew 143: </dl>
144:
145: <h2>Install LON-CAPA</h2>
146: <p>
147: Log in as root with the password you provided during the Red Hat
148: installation process.
1.7 harris41 149: </p>
1.1 matthew 150: <pre>
151: wget http://install.loncapa.org/versions/rh73install/loncapa-rh73install.tar
152: tar xf loncapa-rh73install.tar
153: cd install
154: ./install.pl
155: </pre>
156:
157: <h2>Configure LON-CAPA</h2>
158: <p>
159: Execute the following commands
1.7 harris41 160: </p>
1.1 matthew 161: <pre>
162: cd /root/loncapa/
163: ./UPDATE
164: </pre>
1.7 harris41 165: <p>
1.1 matthew 166: You will need to enter the LON-CAPA configuration information you requested
1.6 matthew 167: above.
1.1 matthew 168: </p>
169:
170: <h2>Picking a hosts.tab file</h2>
1.7 harris41 171: <p>
1.1 matthew 172: The "hosts.tab" file controls which LON-CAPA servers your server attempts
173: to access and which servers it will respond to. If this is your first
174: install of LON-CAPA on your network, we suggest choosing a 'standalone'
1.3 www 175: "hosts.tab". On a laptop, you must choose 'standalone'.
176: Please contact the support staff at www.loncapa.org for
1.1 matthew 177: information about adding more hosts to your "hosts.tab" file.
1.7 harris41 178: </p>
1.3 www 179: <p>
180: <b>Note:</b> for <b>non</b>-standalone configurations, you do need to add
181: yourself to the <tt>/home/httpd/lonTabs/hosts.tab</tt> to initially test your
182: configuration. Eventually, you will be added to the general cluster tables by
183: LON-CAPA staff, so this is temporary. A <tt>hosts.tab</tt> entry has the
184: format
1.7 harris41 185: </p>
1.3 www 186: <pre>
187: lonHostID:domain:hosttype:dns-name:ipaddress
188: </pre>
1.7 harris41 189: <p>
1.3 www 190: for example
1.7 harris41 191: </p>
1.3 www 192: <pre>
193: 103l5:library:s17.lite.msu.edu:35.8.63.27
194: </pre>
1.7 harris41 195: <p>
1.3 www 196: Please edit this file with a UNIX editor, not a PC or Mac one, so that the
197: linebreaks are correct.
198: </p>
1.7 harris41 199:
1.1 matthew 200: <h2>Creating a Domain Coordinator</h2>
201: <p>
202: You will need at least one user at your site who has the role of
203: 'domain coordinator'. This user creates accounts for other users and
204: grants them additional privileges. The make_domain_coordinator.pl script
205: invoked below requires that you enter the users password. The password will
1.2 matthew 206: show in plaintext as you type it. Feel free to use the "passwd username"
1.1 matthew 207: command to change it later. Replace USERNAME and DOMAIN with an
208: appropriate user name and your domain.
1.7 harris41 209: </p>
1.1 matthew 210: <pre>
211: cd /root/loncapa/loncom/build
212: perl make_domain_coordinator.pl USERNAME DOMAIN
1.3 www 213: (WILL PROMPT FOR PASSWORD HERE)
1.1 matthew 214: mkdir ~USERNAME/public_html
215: chown USERNAME:www ~USERNAME/public_html
216: chmod 0775 ~USERNAME/public_html
1.6 matthew 217: chmod a+x ~USERNAME
1.1 matthew 218: </pre>
219:
220: <h2>Start/Restart Services</h2>
221: <p>
222: The services take about 10 minutes to start.
1.7 harris41 223: </p>
1.1 matthew 224: <pre>
225: /etc/init.d/loncontrol start
226: /etc/init.d/httpd restart
227: </pre>
228:
1.4 www 229: <h2>Make Sure that Services Autostart on Boot</h2>
230: <p>On Redhat 7.3 it is not guaranteed that Apache and MySQL automatically
1.5 matthew 231: restart on boot. You should run /usr/sbin/ntsysv and set the following
232: daemons to be started at boot:
1.7 harris41 233: </p>
1.5 matthew 234: <pre>
235: httpd
236: mysqld
237: </pre>
1.7 harris41 238: <p>
1.5 matthew 239: It is not necessary to reboot after doing this as they should already be
240: running by this point in the installation.
1.7 harris41 241: </p>
1.5 matthew 242: <pre>
243: /etc/init.d/httpd restart
244: /etc/init.d/mysqld restart
245: </pre>
1.7 harris41 246:
1.1 matthew 247: <h2>Log in to your LON-CAPA Machine</h2>
248: <p>
249: Point a web browser at your new machine and log in as the domain
250: coordinator. Congratulations!
251: </p>
1.7 harris41 252: </body>
253: </html>
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