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6: <title>Setting up a Red Hat7.3 LON-CAPA Server</title>
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1.12 ! matthew 9: <!-- $Id: new_install_rh73.html,v 1.11 2002/12/19 17:41:08 matthew 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
1.9 matthew 14: into one straightforward process.
1.8 harris41 15: More information is available at <a href="http://install.lon-capa.org/">
16: http://install.lon-capa.org/</a>.
17: </p>
1.1 matthew 18:
19: <h2>Before you begin</h2>
20: <p>
21: Installing Linux is getting easier and easier. However, it is still a
22: non-trivial undertaking and experience with Red Hat Linux will make this
23: process easier. You will be required to log in to the machine and execute
24: some routine Unix commands. Some familiarity with Linux is assumed.
25: </p>
26:
27: <h2>Installation Overview</h2>
28: <p>
29: The installation process takes the following steps:
1.7 harris41 30: </p>
1.1 matthew 31: <ol>
1.2 matthew 32: <li> Obtain Red Hat 7.3 </li>
33: <li> Gather information for installing Red Hat </li>
34: <li> Install Red Hat 7.3 </li>
35: <li> Determine your LON-CAPA Settings </li>
36: <li> Install LON-CAPA </li>
37: <li> Configure LON-CAPA </li>
38: <li> Pick a hosts.tab file </li>
39: <li> Create a Domain Coordinator </li>
40: <li> Start/Restart services </li>
41: <li> Log in to LON-CAPA </li>
1.1 matthew 42: </ol>
43:
44: <h2>Obtain the Red Hat 7.3 installation CDs</h2>
45: <p>
1.11 matthew 46: These are freely available on the internet.
1.1 matthew 47: </p>
48:
1.2 matthew 49: <h2>Determine Network settings for your site</h2>
1.1 matthew 50: <p>
1.2 matthew 51: You will need to have the following information for your site. You must
52: have a static IP address (do not use DHCP).
1.7 harris41 53: </p>
1.1 matthew 54: <ul>
1.2 matthew 55: <li>ip address </li>
56: <li>netmask </li>
57: <li>network </li>
58: <li>broadcast </li>
59: <li>hostname </li>
60: <li>gateway </li>
61: <li>domain name server(s) </li>
1.1 matthew 62: </ul>
63:
64: <h2>Install Red Hat 7.3</h2>
65: <p>
66: When you install RedHat you will need to ensure the following (the list below
67: is in the order the issues appear in the installation of Red Hat 7.3):
1.7 harris41 68: </p>
1.1 matthew 69: <dl>
1.7 harris41 70: <dt>Installation Type</dt>
1.1 matthew 71: <dd>You should definitely do a "Server" install. We do not recommend
1.7 harris41 72: Trying to install LON-CAPA with a different installation type.</dd>
73: <dt>Partitioning your Drive</dt>
1.1 matthew 74: <dd>You may want to use the automatic partitioning feature of Red Hat,
75: however you should review the results and be prepared to modify them.
76: LON-CAPA resource files are stored in the /home directory, so the
77: lion's share of the drive should be allocated here. If you have 8 GB
78: of space for Red Hat, /home should receive 4 to 6 gigs. Be sure to
79: include adequate swap space. A minimum is 512 Megs, but you should
1.7 harris41 80: typically have 1 or 2x as much swap space as you do physical RAM.</dd>
81: <dt>Network Configuration</dt>
1.1 matthew 82: <dd>LON-CAPA will <b>not</b> work with a machine set up to use a dynamic
83: IP address. When configuring your network card, be sure to unselect
1.7 harris41 84: the DHCP option and enter in your network information.</dd>
85: <dt>Firewall Configuration</dt>
86: <dd>The installation script will remove and disable your firewall.</dd>
87: <dt>Package Group Selection</dt>
1.1 matthew 88: <dd>At a minimum, install the following packages:
89: <ul>
1.2 matthew 90: <li>NFS File Server </li>
91: <li>Windows File Server </li>
92: <li>Web Server </li>
1.1 matthew 93: </ul>
1.7 harris41 94: Other packages can be installed as you like.</dd>
95: <dt>X Windows Configuration</dt>
1.1 matthew 96: <dd>If you chose to install the X-windows packages you will need to
97: configure them. If you are unsure of the support for your video
1.7 harris41 98: card you may wish to skip the configuration.</dd>
1.1 matthew 99: </dl>
1.7 harris41 100: <p>
1.1 matthew 101: Other notes:
1.7 harris41 102: </p>
1.1 matthew 103: <ul>
104: <li>Use md5 and shadow passwords if you are given the choice (this is
1.2 matthew 105: the default). </li>
1.1 matthew 106: </ul>
107:
108: <h2>Determine LON-CAPA settings</h2>
109: <p>
110: LON-CAPA requires a number of identifying parameters be set in order
111: for it to function at all. Below is a list with descriptions.
1.7 harris41 112: </p>
1.1 matthew 113: <dl>
1.7 harris41 114: <dt>Host Type (library or access)</dt>
1.1 matthew 115: <dd>The server must be designated a 'library' or an 'access' server. In
116: general you should have a library server for your instructors to create
117: their course content on and run their courses. Students should connect
118: to access servers. If you are doing the first install of LON-CAPA at
119: your site, or if you are playing with it for your own edification, you
1.7 harris41 120: should make your machine a 'library' server.</dd>
121: <dt>LON-CAPA domain</dt>
1.1 matthew 122: <dd>Each site or school which installs LON-CAPA needs its own domain.
123: Here at MSU we use 'msu'. You should choose something short but
1.7 harris41 124: meaningful.
1.6 matthew 125: <i>Restriction: One word, no hyphens, underscores, or special characters</i>
1.7 harris41 126: </dd>
127: <dt>LON-CAPA host id</dt>
1.1 matthew 128: <dd>Each LON-CAPA server requires a unique internal name. We use names
1.6 matthew 129: such as "msul1" for the first library server.
130: <i>Restriction: One word, no hyphens, underscores, or special characters</i>
1.7 harris41 131: </dd>
132: <dt>Host administrator email</dt>
1.1 matthew 133: <dd>The amount of email sent to this address is relatively minimal. Messages
1.6 matthew 134: are sent every time the system starts up, or if the system is in
135: serious trouble. On a laptop, make this <tt>root@localhost</tt>.
1.7 harris41 136: </dd>
137: <dt>Root password for SQL database</dt>
1.1 matthew 138: <dd>In order to keep people from corrupting the MYSQL database, a root
1.7 harris41 139: password is needed. You'll need to remember this.</dd>
1.1 matthew 140: </dl>
141:
142: <h2>Install LON-CAPA</h2>
143: <p>
144: Log in as root with the password you provided during the Red Hat
145: installation process.
1.12 ! matthew 146: </p><p>
! 147: Stop the http daemon while we're installing LON-CAPA.
! 148: <pre>
! 149: /etc/init.d/httpd stop
! 150: </pre>
! 151: </p><p>
! 152: Retrieve the LON-CAPA installation package
1.1 matthew 153: <pre>
154: wget http://install.loncapa.org/versions/rh73install/loncapa-rh73install.tar
155: tar xf loncapa-rh73install.tar
156: cd install
157: ./install.pl
158: </pre>
1.12 ! matthew 159: </p>
1.1 matthew 160:
161: <h2>Configure LON-CAPA</h2>
162: <p>
163: Execute the following commands
1.7 harris41 164: </p>
1.1 matthew 165: <pre>
1.12 ! matthew 166: cd /root/loncapa-N.N (N.N should correspond to a version number like '0.6')
1.1 matthew 167: ./UPDATE
168: </pre>
1.7 harris41 169: <p>
1.1 matthew 170: You will need to enter the LON-CAPA configuration information you requested
1.6 matthew 171: above.
1.1 matthew 172: </p>
173:
1.12 ! matthew 174: <h2>Update your system</h2>
! 175: <p>
! 176: It is very important that you update your LON-CAPA system to use the
! 177: latest RedHat packages. LON-CAPA uses CHECKRPMS to notify users their system
! 178: needs updating.
! 179: <pre>
! 180: /usr/local/loncapa/bin/CHECKRPMS
! 181: </pre>
! 182: CHECKRPMS will give you the option of downloading the updates you need.
! 183: Say yes. Then issue the following commands:
! 184: <pre>
! 185: cd /tmp/loncapa_rpm_updates'
! 186: rpm -Uvh *
! 187: </pre>
! 188: </p><p>
! 189: You will need to reboot your system to begin running the new Linux Kernel
! 190: put out by RedHat. You can wait until the end of the LON-CAPA installation
! 191: process to reboot.
! 192: </p><p>
! 193: Congratulate yourself - your system is up to date. Please do your best to
! 194: keep it that way! When LON-CAPA is installed it sets itself up to run
! 195: CHECKRPMS script every night and email you the results.
! 196: <b>Please do not ignore these emails.</b>
! 197: You will need to update the RPMs yourself when it notifies you.
! 198: Keeping your system up-to-date goes a long way towards ensuring the
! 199: integrity of your student records.
! 200: </p>
! 201:
1.1 matthew 202: <h2>Picking a hosts.tab file</h2>
1.7 harris41 203: <p>
1.1 matthew 204: The "hosts.tab" file controls which LON-CAPA servers your server attempts
205: to access and which servers it will respond to. If this is your first
206: install of LON-CAPA on your network, we suggest choosing a 'standalone'
1.3 www 207: "hosts.tab". On a laptop, you must choose 'standalone'.
208: Please contact the support staff at www.loncapa.org for
1.1 matthew 209: information about adding more hosts to your "hosts.tab" file.
1.7 harris41 210: </p>
1.3 www 211: <p>
212: <b>Note:</b> for <b>non</b>-standalone configurations, you do need to add
213: yourself to the <tt>/home/httpd/lonTabs/hosts.tab</tt> to initially test your
214: configuration. Eventually, you will be added to the general cluster tables by
215: LON-CAPA staff, so this is temporary. A <tt>hosts.tab</tt> entry has the
216: format
1.7 harris41 217: </p>
1.3 www 218: <pre>
219: lonHostID:domain:hosttype:dns-name:ipaddress
220: </pre>
1.7 harris41 221: <p>
1.3 www 222: for example
1.7 harris41 223: </p>
1.3 www 224: <pre>
225: 103l5:library:s17.lite.msu.edu:35.8.63.27
226: </pre>
1.7 harris41 227: <p>
1.3 www 228: Please edit this file with a UNIX editor, not a PC or Mac one, so that the
229: linebreaks are correct.
230: </p>
1.7 harris41 231:
1.1 matthew 232: <h2>Creating a Domain Coordinator</h2>
233: <p>
234: You will need at least one user at your site who has the role of
235: 'domain coordinator'. This user creates accounts for other users and
236: grants them additional privileges. The make_domain_coordinator.pl script
237: invoked below requires that you enter the users password. The password will
1.2 matthew 238: show in plaintext as you type it. Feel free to use the "passwd username"
1.1 matthew 239: command to change it later. Replace USERNAME and DOMAIN with an
240: appropriate user name and your domain.
1.7 harris41 241: </p>
1.1 matthew 242: <pre>
1.11 matthew 243: cd /root/loncapa-N.N/loncom/build
1.1 matthew 244: perl make_domain_coordinator.pl USERNAME DOMAIN
1.3 www 245: (WILL PROMPT FOR PASSWORD HERE)
1.1 matthew 246: mkdir ~USERNAME/public_html
247: chown USERNAME:www ~USERNAME/public_html
248: chmod 0775 ~USERNAME/public_html
1.6 matthew 249: chmod a+x ~USERNAME
1.1 matthew 250: </pre>
251:
252: <h2>Start/Restart Services</h2>
253: <p>
1.11 matthew 254: The LON-CAPA network services take about a minute to start.
1.7 harris41 255: </p>
1.1 matthew 256: <pre>
257: /etc/init.d/loncontrol start
258: /etc/init.d/httpd restart
259: </pre>
1.11 matthew 260:
1.4 www 261: <h2>Make Sure that Services Autostart on Boot</h2>
262: <p>On Redhat 7.3 it is not guaranteed that Apache and MySQL automatically
1.5 matthew 263: restart on boot. You should run /usr/sbin/ntsysv and set the following
264: daemons to be started at boot:
1.7 harris41 265: </p>
1.5 matthew 266: <pre>
267: httpd
268: mysqld
269: </pre>
1.7 harris41 270: <p>
1.5 matthew 271: It is not necessary to reboot after doing this as they should already be
272: running by this point in the installation.
1.7 harris41 273: </p>
1.5 matthew 274: <pre>
275: /etc/init.d/httpd restart
276: /etc/init.d/mysqld restart
277: </pre>
1.7 harris41 278:
1.1 matthew 279: <h2>Log in to your LON-CAPA Machine</h2>
280: <p>
281: Point a web browser at your new machine and log in as the domain
282: coordinator. Congratulations!
283: </p>
1.7 harris41 284: </body>
285: </html>
1.11 matthew 286:
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