Annotation of doc/build/install.html, revision 1.36

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1.11      harris41    3: <!-- The LearningOnline Network with CAPA -->
1.36    ! harris41    4: <!-- $Id: install.html,v 1.35 2002/11/15 23:36:58 harris41 Exp $ -->
1.11      harris41    5: <html>
                      6: <head>
1.18      harris41    7: <meta http-equiv="Content-Type" content="text/html; charset=utf-8"></meta>
1.11      harris41    8: <title>LON-CAPA Installation</title>
1.12      harris41    9: <!-- pdfahref install.pdf -->
                     10: <!-- button INSTALL -->
1.11      harris41   11: </head>
1.12      harris41   12: <body bgcolor='#ffffff'>
                     13: <!-- preamble start -->
                     14: <br />&nbsp;
                     15: <p>
                     16: You will need to check all the following things to ensure proper
                     17: installation of your LON-CAPA system.
1.18      harris41   18: </p>
1.12      harris41   19: <ul>
1.13      harris41   20: <li><a href="#wwwuser">
                     21: Creating a user 'www'</a></li>
                     22: <li><a href="#shadow">
1.12      harris41   23: Make a LON-CAPA system work with shadow passwords</a></li>
1.13      harris41   24: <li><a href="#install">
                     25: Installing LON-CAPA files</a></li>
                     26: <li><a href="#checkrpms">
                     27: Checking your Linux RPMs</a></li>
                     28: <li><a href="#mysql">
                     29: Configuring the MySQL database</a></li>
1.15      harris41   30: <li><a href="#testing">
                     31: Testing to see if the LON-CAPA server is operational</a></li>
1.12      harris41   32: </ul>
1.31      harris41   33: <p>
                     34: <strong>NOTE:</strong>
                     35: If you want to simultaneously install both RedHat 7.3 and LON-CAPA
                     36: (to ensure 100% reliability), follow <a href="rh73.html">these
                     37: alternative directions</a>.
                     38: </p>
1.12      harris41   39: <br />&nbsp;
                     40: <!-- preamble end -->
                     41: <!-- maintext start -->
1.13      harris41   42: <a name="wwwuser" />
                     43: <h3>Creating a user 'www'</h3>
                     44: <p>
1.14      harris41   45: Execute the following command to create a user named 'www' on your
                     46: LON-CAPA server:
1.13      harris41   47: </p>
1.14      harris41   48: <table bgcolor="#aaaaaa" border="1"><tr><td>
                     49: <tt>/usr/sbin/useradd www</tt>
                     50: </td></tr></table>
1.13      harris41   51: <a name="shadow" />
1.12      harris41   52: <h3>Make a LON-CAPA system work with shadow passwords</h3>
1.14      harris41   53: <table border="1">
1.12      harris41   54: <tr><th>Step #</th><th>Description</th></tr>
                     55: <tr><td>
1.14      harris41   56: <font size="+1">1</font>
1.12      harris41   57: </td><td>
                     58: <p>Is your system using shadow passwords? (Note: LON-CAPA will
                     59: work with either MD5/non-MD5 configured systems).  If your
                     60: system is not using shadow passwords, then do not perform
                     61: any of the additional steps.  If your system is using shadow
                     62: passwords, then you will need to perform the additional steps below.
                     63: </p>
                     64: <p>
                     65: <strong>How to detect:</strong>
                     66: <br />command: <tt>cat /etc/passwd | grep ':x:'</tt>
                     67: </p>
                     68: <p>If there is output such as "<tt>root:x:0:0:root:/root:/bin/bash</tt>",
                     69: then your system is using shadow passwords and you will need to continue with
                     70: the steps below.
                     71: </p>
                     72: </td></tr>
                     73: <tr><td>
                     74: <font size='+1'>2</font>
                     75: </td><td>
                     76: <p><strong>Retrieve the mod_auth_external source</strong> by
                     77: running the following command
                     78: </p>
                     79: <p><tt>
                     80: wget http://www.wwnet.net/~janc/software/mod_auth_external-2.1.13.tar.gz
                     81: </tt>
                     82: </p>
                     83: </td></tr>
1.13      harris41   84: <tr><td>
                     85: <font size='+1'>3</font>
                     86: </td><td>
1.17      harris41   87: <p><strong>Unpack the mod_auth_external source</strong> by
                     88: running the following command
                     89: </p>
                     90: <p>
                     91: <tt>tar xzvf mod_auth_external-2.1.13.tar.gz</tt>
                     92: </p>
                     93: </td></tr>
                     94: <tr><td>
                     95: <font size='+1'>4</font>
                     96: </td><td>
                     97: <p><strong>Go to the <tt>pwauth</tt> directory</strong> by
                     98: running the following command
                     99: </p>
                    100: <p>
                    101: <tt>cd mod_auth_external-2.1.13/pwauth/</tt>
                    102: </p>
                    103: </td></tr>
                    104: <tr><td>
                    105: <font size='+1'>5</font>
                    106: </td><td>
                    107: <p><strong>Edit <tt>config.h</tt> and change SERVER_UIDS definition</strong>
                    108: </p>
                    109: <p>
                    110: Determine the user id of 'www':
                    111: <br /><tt>grep ^www /etc/passwd | cut -d':' -f3</tt>
                    112: <br />
                    113: Change the line
                    114: <br /><tt>#define SERVER_UIDS 99       /* user "nobody" */</tt>
                    115: <br />to be
                    116: <br /><tt>#define SERVER_UIDS 513      /* user "www" */</tt>
                    117: <br />where in this example 513 corresponds to the user id of 'www'.
1.13      harris41  118: </p>
1.17      harris41  119: </td></tr>
                    120: <tr><td>
                    121: <font size='+1'>6</font>
                    122: </td><td>
                    123: <p><strong>Compile the <tt>pwauth</tt> executable</strong> by
                    124: running the following command
                    125: </p>
                    126: <p>
                    127: <tt>make</tt>
                    128: </p>
                    129: </td></tr>
                    130: <tr><td>
                    131: <font size='+1'>7</font>
                    132: </td><td>
                    133: <p><strong>Install <tt>pwauth</tt></strong> by doing the following
                    134: </p>
                    135: <p>
                    136: <tt>cp pwauth /usr/local/sbin/</tt>
                    137: <br /><tt>chmod 6755 /usr/local/sbin/pwauth</tt>
                    138: </p>
                    139: <p>
                    140: Edit (creating the file) /etc/pam.d/pwauth to have the contents:
1.18      harris41  141: </p>
1.17      harris41  142: <pre>
                    143:         auth       required     /lib/security/pam_pwdb.so shadow nullok
                    144:         auth       required     /lib/security/pam_nologin.so
                    145:         account    required     /lib/security/pam_pwdb.so
                    146: </pre>
1.13      harris41  147: </td></tr>
                    148: </table>
                    149: <a name="install" />
                    150: <h3>Installing LON-CAPA files</h3>
                    151: <p>
                    152: Download the most current
1.33      harris41  153: <a href="http://install.lon-capa.org/versions/loncapa-current.tar.gz">
                    154: loncapa-current.tar.gz</a>.
1.13      harris41  155: </p>
1.25      harris41  156: <table bgcolor="#aaaaaa" border="1">
1.33      harris41  157: <tr><td><tt>wget http://install.lon-capa.org/versions/loncapa-current.tar.gz
1.25      harris41  158: </tt>
                    159: <br />
1.33      harris41  160: <tt>tar xzvf loncapa-current.tar.gz</tt>
1.26      harris41  161: <br />
1.33      harris41  162: <tt>cd loncapa-N.N</tt> (N.N is the version number)</td></tr>
1.25      harris41  163: </table>
1.14      harris41  164: <p>
                    165: The <strong>UPDATE</strong> command will refresh your filesystem with all
                    166: the latest LON-CAPA software.
                    167: </p>
                    168: <table bgcolor="#aaaaaa" border="1">
                    169: <tr><td><tt>./UPDATE</tt></td></tr>
                    170: </table>
1.13      harris41  171: <a name="checkrpms" />
                    172: <h3>Checking your Linux RPMs</h3>
                    173: <p>
1.14      harris41  174: The <strong>CHECKRPMS</strong> command will check the RPMs on your machine
                    175: against an FTP repository.
1.13      harris41  176: </p>
1.14      harris41  177: <table bgcolor="#aaaaaa" border="1">
1.13      harris41  178: <tr><td><tt>./CHECKRPMS</tt></td></tr>
1.12      harris41  179: </table>
1.13      harris41  180: <a name="mysql" />
                    181: <h3>Configuring the MySQL database</h3>
                    182: <p>
                    183: The following commands describe how to configure the MySQL database
                    184: on your LON-CAPA server.
1.19      harris41  185: <br />Note:
1.12      harris41  186: </p>
1.19      harris41  187: <ul>
                    188: <li>you should substitute 'ROOTPASSWORD' with something very hard to guess
                    189: (it does not have to be the Linux OS root password)
                    190: </li>
1.29      harris41  191: <li>The MySQL www@localhost user must always have a password of 'localhostkey'
                    192: in order for there to be correct operation of a standard LON-CAPA system.
1.27      harris41  193: </li>
1.19      harris41  194: </ul>
1.23      harris41  195: <p>
                    196: The following instructions assume you are logged in as 'root'.
                    197: </p>
1.20      harris41  198: <p>Entering the mysql shell</p>
1.14      harris41  199: <table bgcolor="#aaaaaa" border="1"><tr><td>
1.13      harris41  200: <pre>
                    201: mysql -u root -p mysql
1.19      harris41  202: OR
1.22      harris41  203: mysql -u root mysql (depending on whether you have set a root password)
1.19      harris41  204: </pre>
                    205: </td></tr></table>
1.20      harris41  206: <p>Creating the mysql 'www' user (after entering mysql shell)</p>
1.19      harris41  207: <table bgcolor="#aaaaaa" border="1"><tr><td>
                    208: <pre>
                    209: mysql> CREATE DATABASE loncapa;
1.13      harris41  210: 
1.19      harris41  211: mysql> INSERT INTO user (Host, User, Password)
1.27      harris41  212: mysql> VALUES ('localhost','www',password('localhostkey'));
1.13      harris41  213: 
1.36    ! harris41  214: mysql> INSERT INTO db VALUES ('localhost','loncapa','www',
        !           215: mysql> 'Y','Y','Y','Y','Y','Y','N','Y','Y','Y');
1.13      harris41  216: 
1.19      harris41  217: mysql> FLUSH PRIVILEGES;
                    218: </pre>
                    219: </td></tr></table>
1.20      harris41  220: <p>SECURITY: set a password for the mysql 'root' user</p>
1.19      harris41  221: <table bgcolor="#aaaaaa" border="1"><tr><td>
                    222: <pre>
1.13      harris41  223: shell> mysql -u root mysql
1.19      harris41  224: mysql> SET PASSWORD FOR root@localhost=PASSWORD('ROOTPASSWORD');
                    225: </pre>
                    226: </td></tr></table>
1.20      harris41  227: <p>SECURITY: only allow access from localhost</p>
1.19      harris41  228: <table bgcolor="#aaaaaa" border="1"><tr><td>
                    229: <pre>
                    230: shell> mysql -u root -p mysql
1.28      harris41  231: mysql> DELETE FROM user WHERE host&lt;&gt;'localhost';
1.13      harris41  232: </pre>
                    233: </td></tr></table>
1.15      harris41  234: <a name="testing" />
                    235: <h3>Testing to see if the LON-CAPA server is operational</h3>
                    236: <p>
                    237: The <strong>TEST</strong> command will check the installation software,
                    238: the perl libraries on your system, the MySQL database, and
                    239: will also automatically test the real-time operation of the 
                    240: LON-CAPA Apache web server.
                    241: </p>
                    242: <table bgcolor="#aaaaaa" border="1">
                    243: <tr><td><tt>./TEST</tt></td></tr>
                    244: </table>
1.16      harris41  245: <p>
                    246: Using the <strong>TEST</strong> command will likely
                    247: be an iterative process.
                    248: It is normal to expect that the <strong>TEST</strong> command
                    249: will recommend you perform various steps to ensure optimal
                    250: performance of your LON-CAPA server.
                    251: </p>
1.12      harris41  252: <!-- maintext end -->
1.18      harris41  253: <!-- validated -->
1.11      harris41  254: </body>
                    255: </html>

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