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1.11 harris41 8: <title>LON-CAPA Installation</title>
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10: <!-- button INSTALL -->
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13: <!-- preamble start -->
14: <br />
1.30 ! harris41 15: <p align="center">
! 16: <a href="rh73.html">
! 17: <b><font size="+0"><font color='#ff0000'>CLICK ON THIS RED LINK </font></font>
! 18: <br />
! 19: <font size="+3">
! 20: <font color='#ff0000'>*ALTERNATIVE FAST-TRACK*</font></font>
! 21: <br />
! 22: <font size="+0"><font color='#ff0000'>INSTRUCTIONS ALSO AVAILABLE</font></font>
! 23: </b>
! 24: </a>
! 25: </p>
1.12 harris41 26: <p>
27: You will need to check all the following things to ensure proper
28: installation of your LON-CAPA system.
1.18 harris41 29: </p>
1.12 harris41 30: <ul>
1.13 harris41 31: <li><a href="#wwwuser">
32: Creating a user 'www'</a></li>
33: <li><a href="#shadow">
1.12 harris41 34: Make a LON-CAPA system work with shadow passwords</a></li>
1.13 harris41 35: <li><a href="#install">
36: Installing LON-CAPA files</a></li>
37: <li><a href="#checkrpms">
38: Checking your Linux RPMs</a></li>
39: <li><a href="#mysql">
40: Configuring the MySQL database</a></li>
1.15 harris41 41: <li><a href="#testing">
42: Testing to see if the LON-CAPA server is operational</a></li>
1.12 harris41 43: </ul>
44: <br />
45: <!-- preamble end -->
46: <!-- maintext start -->
1.13 harris41 47: <a name="wwwuser" />
48: <h3>Creating a user 'www'</h3>
49: <p>
1.14 harris41 50: Execute the following command to create a user named 'www' on your
51: LON-CAPA server:
1.13 harris41 52: </p>
1.14 harris41 53: <table bgcolor="#aaaaaa" border="1"><tr><td>
54: <tt>/usr/sbin/useradd www</tt>
55: </td></tr></table>
1.13 harris41 56: <a name="shadow" />
1.12 harris41 57: <h3>Make a LON-CAPA system work with shadow passwords</h3>
1.14 harris41 58: <table border="1">
1.12 harris41 59: <tr><th>Step #</th><th>Description</th></tr>
60: <tr><td>
1.14 harris41 61: <font size="+1">1</font>
1.12 harris41 62: </td><td>
63: <p>Is your system using shadow passwords? (Note: LON-CAPA will
64: work with either MD5/non-MD5 configured systems). If your
65: system is not using shadow passwords, then do not perform
66: any of the additional steps. If your system is using shadow
67: passwords, then you will need to perform the additional steps below.
68: </p>
69: <p>
70: <strong>How to detect:</strong>
71: <br />command: <tt>cat /etc/passwd | grep ':x:'</tt>
72: </p>
73: <p>If there is output such as "<tt>root:x:0:0:root:/root:/bin/bash</tt>",
74: then your system is using shadow passwords and you will need to continue with
75: the steps below.
76: </p>
77: </td></tr>
78: <tr><td>
79: <font size='+1'>2</font>
80: </td><td>
81: <p><strong>Retrieve the mod_auth_external source</strong> by
82: running the following command
83: </p>
84: <p><tt>
85: wget http://www.wwnet.net/~janc/software/mod_auth_external-2.1.13.tar.gz
86: </tt>
87: </p>
88: </td></tr>
1.13 harris41 89: <tr><td>
90: <font size='+1'>3</font>
91: </td><td>
1.17 harris41 92: <p><strong>Unpack the mod_auth_external source</strong> by
93: running the following command
94: </p>
95: <p>
96: <tt>tar xzvf mod_auth_external-2.1.13.tar.gz</tt>
97: </p>
98: </td></tr>
99: <tr><td>
100: <font size='+1'>4</font>
101: </td><td>
102: <p><strong>Go to the <tt>pwauth</tt> directory</strong> by
103: running the following command
104: </p>
105: <p>
106: <tt>cd mod_auth_external-2.1.13/pwauth/</tt>
107: </p>
108: </td></tr>
109: <tr><td>
110: <font size='+1'>5</font>
111: </td><td>
112: <p><strong>Edit <tt>config.h</tt> and change SERVER_UIDS definition</strong>
113: </p>
114: <p>
115: Determine the user id of 'www':
116: <br /><tt>grep ^www /etc/passwd | cut -d':' -f3</tt>
117: <br />
118: Change the line
119: <br /><tt>#define SERVER_UIDS 99 /* user "nobody" */</tt>
120: <br />to be
121: <br /><tt>#define SERVER_UIDS 513 /* user "www" */</tt>
122: <br />where in this example 513 corresponds to the user id of 'www'.
1.13 harris41 123: </p>
1.17 harris41 124: </td></tr>
125: <tr><td>
126: <font size='+1'>6</font>
127: </td><td>
128: <p><strong>Compile the <tt>pwauth</tt> executable</strong> by
129: running the following command
130: </p>
131: <p>
132: <tt>make</tt>
133: </p>
134: </td></tr>
135: <tr><td>
136: <font size='+1'>7</font>
137: </td><td>
138: <p><strong>Install <tt>pwauth</tt></strong> by doing the following
139: </p>
140: <p>
141: <tt>cp pwauth /usr/local/sbin/</tt>
142: <br /><tt>chmod 6755 /usr/local/sbin/pwauth</tt>
143: </p>
144: <p>
145: Edit (creating the file) /etc/pam.d/pwauth to have the contents:
1.18 harris41 146: </p>
1.17 harris41 147: <pre>
148: auth required /lib/security/pam_pwdb.so shadow nullok
149: auth required /lib/security/pam_nologin.so
150: account required /lib/security/pam_pwdb.so
151: </pre>
1.13 harris41 152: </td></tr>
153: </table>
154: <a name="install" />
155: <h3>Installing LON-CAPA files</h3>
156: <p>
157: Download the most current
158: <a href="http://install.lon-capa.org/versions/current/loncapa.tar.gz">
159: loncapa.tar.gz</a>.
160: </p>
1.25 harris41 161: <table bgcolor="#aaaaaa" border="1">
162: <tr><td><tt>wget http://install.lon-capa.org/versions/current/loncapa.tar.gz
163: </tt>
164: <br />
165: <tt>tar xzvf loncapa.tar.gz</tt>
1.26 harris41 166: <br />
1.25 harris41 167: <tt>cd loncapa</tt></td></tr>
168: </table>
1.14 harris41 169: <p>
170: The <strong>UPDATE</strong> command will refresh your filesystem with all
171: the latest LON-CAPA software.
172: </p>
173: <table bgcolor="#aaaaaa" border="1">
174: <tr><td><tt>./UPDATE</tt></td></tr>
175: </table>
1.13 harris41 176: <a name="checkrpms" />
177: <h3>Checking your Linux RPMs</h3>
178: <p>
1.14 harris41 179: The <strong>CHECKRPMS</strong> command will check the RPMs on your machine
180: against an FTP repository.
1.13 harris41 181: </p>
1.14 harris41 182: <table bgcolor="#aaaaaa" border="1">
1.13 harris41 183: <tr><td><tt>./CHECKRPMS</tt></td></tr>
1.12 harris41 184: </table>
1.13 harris41 185: <a name="mysql" />
186: <h3>Configuring the MySQL database</h3>
187: <p>
188: The following commands describe how to configure the MySQL database
189: on your LON-CAPA server.
1.19 harris41 190: <br />Note:
1.12 harris41 191: </p>
1.19 harris41 192: <ul>
193: <li>you should substitute 'ROOTPASSWORD' with something very hard to guess
194: (it does not have to be the Linux OS root password)
195: </li>
1.29 harris41 196: <li>The MySQL www@localhost user must always have a password of 'localhostkey'
197: in order for there to be correct operation of a standard LON-CAPA system.
1.27 harris41 198: </li>
1.19 harris41 199: </ul>
1.23 harris41 200: <p>
201: The following instructions assume you are logged in as 'root'.
202: </p>
1.20 harris41 203: <p>Entering the mysql shell</p>
1.14 harris41 204: <table bgcolor="#aaaaaa" border="1"><tr><td>
1.13 harris41 205: <pre>
206: mysql -u root -p mysql
1.19 harris41 207: OR
1.22 harris41 208: mysql -u root mysql (depending on whether you have set a root password)
1.19 harris41 209: </pre>
210: </td></tr></table>
1.20 harris41 211: <p>Creating the mysql 'www' user (after entering mysql shell)</p>
1.19 harris41 212: <table bgcolor="#aaaaaa" border="1"><tr><td>
213: <pre>
214: mysql> CREATE DATABASE loncapa;
1.13 harris41 215:
1.19 harris41 216: mysql> INSERT INTO user (Host, User, Password)
1.27 harris41 217: mysql> VALUES ('localhost','www',password('localhostkey'));
1.13 harris41 218:
1.19 harris41 219: mysql> GRANT ALL PRIVILEGES ON *.* TO www@localhost;
1.13 harris41 220:
1.19 harris41 221: mysql> FLUSH PRIVILEGES;
222: </pre>
223: </td></tr></table>
1.20 harris41 224: <p>SECURITY: set a password for the mysql 'root' user</p>
1.19 harris41 225: <table bgcolor="#aaaaaa" border="1"><tr><td>
226: <pre>
1.13 harris41 227: shell> mysql -u root mysql
1.19 harris41 228: mysql> SET PASSWORD FOR root@localhost=PASSWORD('ROOTPASSWORD');
229: </pre>
230: </td></tr></table>
1.20 harris41 231: <p>SECURITY: only allow access from localhost</p>
1.19 harris41 232: <table bgcolor="#aaaaaa" border="1"><tr><td>
233: <pre>
234: shell> mysql -u root -p mysql
1.28 harris41 235: mysql> DELETE FROM user WHERE host<>'localhost';
1.13 harris41 236: </pre>
237: </td></tr></table>
1.15 harris41 238: <a name="testing" />
239: <h3>Testing to see if the LON-CAPA server is operational</h3>
240: <p>
241: The <strong>TEST</strong> command will check the installation software,
242: the perl libraries on your system, the MySQL database, and
243: will also automatically test the real-time operation of the
244: LON-CAPA Apache web server.
245: </p>
246: <table bgcolor="#aaaaaa" border="1">
247: <tr><td><tt>./TEST</tt></td></tr>
248: </table>
1.16 harris41 249: <p>
250: Using the <strong>TEST</strong> command will likely
251: be an iterative process.
252: It is normal to expect that the <strong>TEST</strong> command
253: will recommend you perform various steps to ensure optimal
254: performance of your LON-CAPA server.
255: </p>
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259: </html>
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