Annotation of doc/build/fedora_install.frag, revision 1.4
1.1 matthew 1: <h1>Installing LON-CAPA on a Fedora Linux System</h1>
2: <p>
3: This document guides you through the process of setting up a new LON-CAPA
4: server running Fedora Linux. The computer will be configured solely as
5: a LON-CAPA server and will be expected to have no other services running
6: on it.
7: </p><p>
8: More information is available at <a href="http://install.lon-capa.org/">
9: http://install.lon-capa.org/</a>.
10: </p>
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: Familiarity with the Apache web server, mod_perl, perl, and MySQL are not
19: required to install and run LON-CAPA.
20: </p>
21:
22: <h2>Installation Overview</h2>
23: <p>
24: The installation process takes the following steps:
25: </p>
26: <ol>
27: <li> Obtain Fedora Linux </li>
28: <li> Determine Network Settings</li>
29: <li> Install Fedora </li>
30: <li> Install LON-CAPA Dependencies </li>
31: <li> Determine your LON-CAPA Settings </li>
32: <li> Install LON-CAPA </li>
33: <li> Configure LON-CAPA </li>
34: <li> Pick a hosts.tab file </li>
35: <li> Create a Domain Coordinator </li>
36: <li> Start/Restart services </li>
37: <li> Log in to LON-CAPA </li>
38: </ol>
39:
40: <h2>Obtain Fedora Linux</h2>
41: <p>
42: Fedora linux ISO files can be obtained from the projects main site,
43: <a href="http://fedora.redhat.com/">http://fedora.redhat.com/</a>.
44: </p>
45:
46: <h2>Determine Network Settings</h2>
47: <p>
48: You will need to know the following network settings for your installation.
49: <b>Note:</b>You must have a static IP address to use LON-CAPA.
50: DHCP is <em>not</em> supported.
51: </p>
52: <ul>
53: <li>ip address </li>
54: <li>netmask </li>
55: <li>hostname </li>
56: <li>gateway </li>
57: <li>domain name server(s) </li>
58: </ul>
59:
60: <h2>Install Fedora</h2>
61: <p>
62: Installing Fedora is quite easy if you've installed any of the Red Hat products
63: before. Some documentation is available from
64: <a href="http://fedora.redhat.com/projects/anaconda-installer/">
65: http://fedora.redhat.com/projects/anaconda-installer/</a>.
66: There are a few sections that require comment.
67: </p>
68: <dl style="list-style:square outside none">
69: <dt>Installation Type</dt>
70: <dd>You should do a "Server" install. We do not recommend
71: trying to install LON-CAPA with a different installation type.</dd>
72: <dt>Partitioning your Drive</dt>
73: <dd>You may want to use the automatic partitioning feature of the installer,
74: however you should review the results and be prepared to modify them.
75: LON-CAPA resource files are stored in the /home directory, so the
76: lion's share of the drive should be allocated here. If you have 20 GB
1.2 matthew 77: of space for Red Hat, /home should receive at least 10 to 12 gigs.
78: Since MySQL uses the /var filesystem to store its databases you should
79: have at least 4 gigs of space available on /var. Be sure to
1.1 matthew 80: include adequate swap space. A minimum is 512 Megs, but you should
81: typically have 1 or 2x as much swap space as you do physical RAM.</dd>
82: <dt>Network Configuration</dt>
83: <dd>LON-CAPA will <b>not</b> work with a machine set up to use a dynamic
84: IP address. When configuring your network card, be sure to unselect
85: the DHCP option and enter in your network information.</dd>
86: <dt>Firewall Configuration</dt>
87: <dd>The firewall should be customized to allow incoming ssh and www.
88: Additional ports used by LON-CAPA are 5663 and 8080.
89: Enter these in the entry box as <nobr>"5663:tcp, 8080:tcp"</nobr>.</dd>
90: <dt>Package Group Selection</dt>
91: <dd>
92: <b>Do not</b> install a web server. It is intentially omitted from
93: this list. Installing packages not listed below is not recommended.
94: If you install packages not listed below you should expect difficulties
95: when installing the LON-CAPA dependencies.
96: <ul>
97: <li>Editors</li>
98: <li>Text Based Internet</li>
99: <li>Authoring and Publishing</li>
1.4 ! matthew 100: <li>Development Tools</li>
! 101: <li>Administration Tools</li>
! 102: <li>Printing Support</li>
! 103: <li>Server Configuration Tools</li>
1.1 matthew 104: </ul>
105: </dd>
106: </dl>
107: <p>
108: Finish installing your server, reboot it, and log in as root.
109: </p>
110:
111: <h2>Retrieving the LON-CAPA Installation Archive</h2>
112: <p>
113: Execute the following command:
114: </p>
115: <pre>
116: wget http://install.loncapa.org/versions/fedora/fedora_install.tar
117: </pre>
118: <p>
119: This will retrieve from the LON-CAPA website all the packages needed to get
120: LON-CAPA running on your system, except for the LON-CAPA source itself.
121: </p>
122: <p>
123: Extract the archive with the following command:
124: </p>
125: <pre>
126: tar xf fedora_install.tar
127: </pre>
128: <p>
129: This creates a directory named <tt>installation</tt>.
130: </p>
131:
132: <h2>Installing LON-CAPA Dependencies</h2>
133: <p>
134: This section walks you through installing the packages which LON-CAPA requires.
1.3 matthew 135: There are a lot of dependencies. They have been grouped in a
1.1 matthew 136: somewhat logical fashion to make them easier to deal with. When installing
137: the rpms you should watch for errors.
138: </p><p>
139: The quick instructions are:
140: </p>
141: <pre>
142: cd installation
143: cd mysql
144: rpm -Uvh *rpm
145: cd ../apache
146: rpm -Uvh *rpm
147: cd ../mod_perl
148: rpm -Uvh *rpm
149: cd ../perl_dependencies
150: rpm -Uvh *rpm
151: cd ../GD
152: rpm -Uvh *rpm
153: cd ../gnuplot
154: rpm --install --oldpackage readline-2.2.1-6.i386.rpm
155: rpm --install --oldpackage --excludedocs libpng-1.0.12-2.i386.rpm
156: rpm -Uvh gnuplot-3.7.1-5.i386.rpm libgd-1.3-4.i386.rpm ncurses4-5.0-5.i386.rpm
157: cd ../misc
158: rpm -Uvh *rpm
159: cd ..
160: </pre>
161: <p>
162: <b>Notes:</b>
163: <ul>
164: <li>MySQL is used to store caches of data, not original copies.
165: Administering LON-CAPA machines does not yet mean becoming a
166: database administrator.</li>
167: <li>Apache 1.3 and mod_perl 1.x are required by LON-CAPA. These are
168: provided in the installation package.
169: <li>A specific version of Gnuplot is required by LON-CAPA. Do not
170: install a version different from the one included in the LON-CAPA
171: installation package.</li>
172: </ul>
173: </p>
174:
175: <h2>Configuring LON-CAPA Dependencies</h2>
176: <p>
177: We have prepared a script which takes care of most of the configuration that
178: must be done to get the newly installed packages working with LON-CAPA.
179: This script will retrieve the latest LON-CAPA release from
180: <a href="http://install.loncapa.org">http://install.loncapa.org</a>.
181: You will be prompted for a root password for your MySQL server. You
182: will need to remember this password in case you should ever need to make
183: changes the the server.
184: </p><p>
185: Execute the script as follows:
186: </p>
187: <pre>
188: cd setup;
189: ./install.pl
190: </pre>
191:
192: <h2>Determine LON-CAPA Settings</h2>
193: <p>
194: LON-CAPA requires a number of identifying parameters be set in order
195: for it to function at all. Below is a list with descriptions.
196: </p>
197: <dl>
198: <dt>Host Type (library or access)</dt>
199: <dd>The server must be designated a 'library' or an 'access' server. In
200: general you should have a library server for your instructors to create
201: their course content on and run their courses. Students should connect
202: to access servers. If you are doing the first install of LON-CAPA at
203: your site, or if you are playing with it for your own edification you
204: should make your machine a 'library' server.</dd>
205: <dt>LON-CAPA domain</dt>
206: <dd>Each site or school which installs LON-CAPA needs its own domain.
207: Here at MSU we use 'msu'. You should choose something short but
208: meaningful. <i>Restriction: One word, no hyphens, underscores, or
209: special characters.</i>
210: </dd>
211: <dt>LON-CAPA host id</dt>
212: <dd>Each LON-CAPA server requires a unique internal name. We use names
213: such as "msul1" for the first library server. <i>Restriction: One word,
214: no hyphens, underscores, or special characters.</i>
215: </dd>
216: <dt>Host administrator email</dt>
217: <dd>The amount of email sent to this address is relatively minimal. Messages
218: are sent every time the system starts up, or if the system is in
219: serious trouble. On a laptop, make this <tt>root@localhost</tt>.
220: </dd>
221: </dl>
222:
223: <h2>Configuring LON-CAPA</h2>
224: <p>
225: To configure and install LON-CAPA, execute the following commands:
226: </p>
227: <pre>
228: cd /root/loncapa-N.N (N.N should correspond to a version number like '1.1')
229: ./UPDATE
230: </pre>
231: <p>
232: You will need to enter the LON-CAPA configuration information you determined
233: in the previous section.
234: </p>
235:
236: <h2>Creating a Domain Coordinator</h2>
237: <p>
238: You will need at least one user at your site who has the role of
239: 'domain coordinator'. This user creates accounts for other users and
240: grants them additional privileges. The make_domain_coordinator.pl script
241: invoked below requires that you enter the users password. The password will
242: show in plaintext as you type it. Feel free to use the "passwd username"
243: command to change it later. Replace USERNAME and DOMAIN with an
244: appropriate user name and your domain.
245: </p>
246: <pre>
247: cd /root/loncapa-N.N/loncom/build
248: perl make_domain_coordinator.pl USERNAME DOMAIN
249: (WILL PROMPT FOR PASSWORD HERE)
250: </pre>
251:
252: <h2>Start/Restart Services</h2>
253: <p>
254: The LON-CAPA network services take a moment to start. Most misconfigurations
255: will be appearant at this step.
256: </p>
257: <pre>
258: /etc/init.d/loncontrol start
259: /etc/init.d/httpd start
260: </pre>
261:
262: <h2>Log in to your LON-CAPA Machine</h2>
263: <p>
264: Point a web browser at your new machine and log in as the domain
265: coordinator. Congratulations!
266: </p>
1.4 ! matthew 267:
! 268: <h2>If Things aren't working right</h2>
! 269: <p>
! 270: If you've followed the steps above and the server doesn't start or you think
! 271: there's something wrong, please get in touch with the LON-CAPA developers.
! 272: If there were errors in installation of the dependency RPMs or during the
! 273: automatic setup, please send us as much information as possible.
! 274: If some part of this document is unclear please let us know.
! 275: </p>
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