Diff for /doc/build/centos5_install.frag between versions 1.1 and 1.8

version 1.1, 2008/12/10 19:13:41 version 1.8, 2011/11/26 20:54:07
Line 23  perl, and MySQL are not required to inst Line 23  perl, and MySQL are not required to inst
 The installation process takes the following steps:  The installation process takes the following steps:
 </p>  </p>
 <ol>  <ol>
   <li> Obtain CentOS Linux 5 installation CDs</li>    <li><a href="#obt">Obtain CentOS Linux 5 installation CDs</a></li>
   <li> Determine Network Settings</li>    <li><a href="#net">Determine Network Settings</a></li>
   <li> Install CentOS Linux 5 </li>    <li><a href="#lin">Install CentOS Linux 5</a></li>
   <li> Update your system </li>    <li><a href="#upd">Update your system</a></li>
   <li> Install LON-CAPA </li>    <li><a href="#ilc">Install LON-CAPA</a></li>
   <li> Create a Domain Coordinator </li>    <li><a href="#cdc">Create a Domain Coordinator</a></li>
   <li> Start/Restart services </li>    <li><a href="#sts">Start/Restart services</a></li>
   <li> Log in to LON-CAPA </li>    <li><a href="#log">Log in to LON-CAPA</a></li>
 </ol>  </ol>
   
 <h2>Obtain CentOS Linux 5 CDs</h2>  <hr>
   <h2>1. <a name="obt">Obtain CentOS Linux 5 CDs</a></h2>
 <p>  <p>
 CentOS isos can be obtained from links included on the <a href="http://mirror.centos.org/centos/5/isos/">CentOS download page</a><br />  CentOS isos can be obtained from links included on the <a href="http://mirror.centos.org/centos/5/isos/">CentOS download page</a><br>
 For the minimal install on 32-bit architecture you will need only the first CD.  For the minimal install on 32-bit architecture you will need only the first CD.
 For the minimal install on 64-bit architecture you will need CDs 1, 2, and 4.  For the minimal install on 64-bit architecture you will need CDs 1, 2, and 4.
   
 </p>   </p>
   
 <h2>Determine Network Settings</h2>  <h2>2. <a name="net">Determine Network Settings</a></h2>
 <p>  <p>
 You will need to know the following network settings for your installation.    You will need to know the following network settings for your installation.
 <b>Note:</b>You must have a static IP address to use LON-CAPA.  <b>Note:</b>You must have a static IP address to use LON-CAPA.
 DHCP is <em>not</em> supported.  DHCP is <em>not</em> supported.
   
Line 55  DHCP is <em>not</em> supported. Line 56  DHCP is <em>not</em> supported.
   <li>domain name server(s) </li>    <li>domain name server(s) </li>
 </ul>  </ul>
   
 <h2>Minimal CentOS Linux 5 Install</h2>  <h2>3. <a name="lin">Minimal CentOS Linux 5 Install</a></h2>
 <p>  <p>
 Installing CentOS Linux is quite easy, particularly if you've installed any of the Red Hat, Fedora or CentOS Linux distributions before.  Installing CentOS Linux is quite easy, particularly if you've installed any of the Red Hat, Fedora or CentOS Linux distributions before.
 Documentation is available from  Documentation is available from
 <a href="http://wiki.centos.org/">http://wiki.centos.org/</a>  <a href="http://wiki.centos.org/">http://wiki.centos.org/</a>
 Most of the installation screens are self explanatory.    Most of the installation screens are self explanatory.
 There are a few steps that require comment and are dealt with below.  There are a few steps that require comment and are dealt with below.
 </p>  </p>
 <dl style="list-style:square outside none">  <dl style="list-style:square outside none">
Line 87  There are a few steps that require comme Line 88  There are a few steps that require comme
    <dt>Software</dt>     <dt>Software</dt>
    <dd>Click the "Customize Now" radio button and for a minimal install uncheck all packages except "Base" in the Base System category.  If you leave other packages checked in any of the other categories, you'll need additional ISO CDs.</dd>     <dd>Click the "Customize Now" radio button and for a minimal install uncheck all packages except "Base" in the Base System category.  If you leave other packages checked in any of the other categories, you'll need additional ISO CDs.</dd>
 </dl>  </dl>
 <p>  
   
 Finish installing your server, reboot it, and log in as root. The  <p>
 first time you log-in, the Setup Agent will be displayed. (If you exit it early you can enter it again buy running the command  Finish installing your server, reboot it, and log in as root.
 <pre>  </p>
 setup  
 </pre>  
  This should tool be used to configure the Firewall and SELinux.  
   
   <dt>Firewall Configuration</dt>  <h3>Firewall and SELinux Configuration</h3>
   <p>
   The first time you log-in, the Setup Agent will be displayed.
   If you exit it early you can enter it again buy running the command
   </p>
   <pre>setup</pre>
   <p>
   This tool should be used to configure the Firewall and SELinux.
   </p>
   
    <dd>Select Security Level: Enabled, and Customize, to allow  <ol>
      <li>Select Security Level: Enabled, and Customize, to allow
        incoming: SSH (remote login), WWW (HTTP) and secure WWW         incoming: SSH (remote login), WWW (HTTP) and secure WWW
        (HTTPS). (LON-CAPA also will use ports 5663 and 8080, but the         (HTTPS).
        loncontrol startup script should open and close thos ports     </li>
        itself.)     <li> Set SELinux to Disabled.</li>
    </dd>     <li> Select OK, and then Quit</li>
    <dd> Set SELinux to Disabled.</dd>     </ol>
    <dd> Select OK, and then Quit</dd>  
 </p>  
   
 <h2>Update your system</h2>  <pre>reboot</pre>
   
   <h2>4. <a name="upd">Update your system</a></h2>
 <p>  <p>
 Update your system to the latest versions of the system software using yum.  Update your system to the latest versions of the system software using yum.
 </p>  </p>
Line 119  yum update Line 125  yum update
 Reboot your system before continuing with the installation.  Reboot your system before continuing with the installation.
 </p>  </p>
 <p>  <p>
 Retrieve the rhel5_loncapa_yum file from the LON-CAPA install site:  Retrieve the centos5_loncapa_yum file from the LON-CAPA install site:
 </p>  </p>
 <pre>  <pre>
 wget http://install.loncapa.org/versions/centos/5/centos5_loncapa_yum.conf  wget http://install.loncapa.org/versions/centos/5/centos5_loncapa_yum.conf
Line 127  wget http://install.loncapa.org/versions Line 133  wget http://install.loncapa.org/versions
 <p>  <p>
 Install the centos5_loncapa_yum.conf  Install the centos5_loncapa_yum.conf
 </p>  </p>
 <p>  
 <pre>  <pre>
 mv /etc/yum.conf /etc/yum.conf.backup  mv /etc/yum.conf /etc/yum.conf.backup
 cp centos5_loncapa_yum.conf /etc/yum.conf  cp centos5_loncapa_yum.conf /etc/yum.conf
 yum update  yum update
 </pre>  </pre>
 </p>  
 <h2>Installing LON-CAPA</h2>  
   <h2>5. <a name="ilc">Installing LON-CAPA</a></h2>
   <h3>Import the LON-CAPA encryption key</h3>
   <pre>rpm --import http://install.loncapa.org/versions/centos/RPM-GPG-KEY-loncapa</pre>
 <h3>Install prerequisites</h3>  <h3>Install prerequisites</h3>
 <p> Execute: </p>  <p> Execute: </p>
 <pre>  <pre>
 yum install LONCAPA-prerequisites  yum install LONCAPA-prerequisites
 </pre><p>  </pre><p>
 This may take a moment due to LON-CAPA's large number of dependencies.  This may take some minutes due to LON-CAPA's large number of dependencies.
 </p>  </p>
 <h3>Retrieve and execute LON-CAPA setup program</h3>  <h3>Retrieve and execute LON-CAPA setup program</h3>
 <p>  <p>
 Retrieve the LON-CAPA setup with the following command:  Retrieve the LON-CAPA setup with the following command:
 </p>  </p>
 <pre>  <pre>
 wget http://install.loncapa.org/versions/centos/5/centos5_install.tar  wget http://install.loncapa.org/linux/install.tar
 </pre>  </pre>
 <p>  <p>
 Extract the archive with the following command:  Extract the archive with the following command:
 </p>  </p>
 <pre>  <pre>
 tar xf centos5_install.tar  tar xf install.tar
 </pre>  </pre>
 <p>  <p>
 This creates a directory named <tt>installation</tt>.  Change to it and  This creates a directory named <tt>installation</tt>.  Change to it and
Line 164  cd installation Line 172  cd installation
 ./install.pl  ./install.pl
 </pre>  </pre>
 <p>  <p>
 This script will prompt you for the MySQL root password and will download the latest LON-CAPA release.<br />  The script is used to prepare a Linux system to run LON-CAPA, and can also be
 You can safely ignore the following warnings from gcc 4 when compiling pwauth:<br />  used to check the configuration of a system on which LON-CAPA has already been installed.  Typically, though, you will run this script only once, when you first install LON-CAPA.
 <tt>  </p>
 pwauth.c: In function ‘lastlog’:  <p>
 <ul>  The script will analyze your system to determine which actions are recommended.  The script will then prompt you to choose the actions you would like taken.
 <li>pwauth.c:541: warning: incompatible implicit declaration of built-in function ‘strncpy’</li>  Once a choice has been entered for all nine possible actions, required changes will be made.
 <li>pwauth.c:543: warning: incompatible implicit declaration of built-in function ‘strlen’</li>  </p>
 </ul>  <p>The possible actions are:
 pwauth.c: In function ‘main’:  
 <ul>  <ul>
 <li>pwauth.c:692: warning: incompatible implicit declaration of built-in function ‘strlen’</li>  <li>Create the www user/group</li>
   <li>Install the package LON-CAPA uses to authenticate users.</li>
   <li>Set-up the MySQL database</li>
   <li>Set-up MySQL permissions</li>
   <li>Configure Apache web server</li>
   <li>Configure start-up of services</li>
   <li>Check firewall settings</li>
   <li>Stop services not used by LON-CAPA,<br />
       e.g., services for a print server: cups daemon</li>
   <li>Download LON-CAPA source code in readiness for installation</li>
 </ul>  </ul>
 </tt>  
   
 </p>  </p>
   
 <h3>Determine LON-CAPA Settings</h3>  <h3>Determine LON-CAPA Settings</h3>
Line 197  for it to function at all.  Below is a l Line 211  for it to function at all.  Below is a l
   <dd>Each site or school which installs LON-CAPA needs its own domain.    <dd>Each site or school which installs LON-CAPA needs its own domain.
       Here at MSU we use 'msu'.  You should choose something short but        Here at MSU we use 'msu'.  You should choose something short but
       meaningful.  <i>Restriction: One word, no hyphens, underscores, or         meaningful.  <i>Restriction: One word, no hyphens, underscores, or 
       special characters.</i><br />Domain names which include a departmental         special characters.</i><br>Domain names which include a departmental 
       abbreviation are not recommended as although LON-CAPA may start in        abbreviation are not recommended as although LON-CAPA may start in
       a single department, other departments frequently join subsequently.        a single department, other departments frequently join subsequently.
       For a domain name: 'msu' is a superior choice to 'msuphys' for example.        For a domain name: 'msu' is a superior choice to 'msuphys' for example.
Line 228  for it to function at all.  Below is a l Line 242  for it to function at all.  Below is a l
 To configure and install LON-CAPA, execute the following commands:  To configure and install LON-CAPA, execute the following commands:
 </p>  </p>
 <pre>  <pre>
 cd /root/loncapa-N.N     (N.N should correspond to a version number like '1.3')  cd /root/loncapa-X.Y.Z     (X.Y.Z should correspond to a version number like '2.10.0')
 ./UPDATE  ./UPDATE
 </pre>  </pre>
 <p>  <p>
 You will need to enter the LON-CAPA configuration information you determined   You will need to enter the LON-CAPA configuration information you determined 
 in the previous section.    in the previous section.
 </p>  </p>
   
 <h2>Creating a Domain Coordinator</h2>  <h2>6. <a name="cdc">Creating a Domain Coordinator</a></h2>
 <p>  <p>
 You will need at least one user at your site who has the role of  You will need at least one user at your site who has the role of
 'domain coordinator'.  This user creates accounts for other users and  'domain coordinator'.  This user creates accounts for other users and
 grants them additional privileges.  The make_domain_coordinator.pl script  grants them additional privileges.  The make_domain_coordinator.pl script
 invoked below requires that you enter the users password.  The password will  invoked below requires that you enter the user's password.
 show in plaintext as you type it.  Feel free to use the "passwd username"  Feel free to use the "passwd username" command to change it later.
 command to change it later.  Replace USERNAME and DOMAIN with an   Replace USERNAME and DOMAIN with an appropriate user name and your domain.
 appropriate user name and your domain.  
 </p>  </p>
 <pre>  <pre>
 cd /root/loncapa-N.N/loncom/build  cd /root/loncapa-X.Y.Z/loncom/build
 perl make_domain_coordinator.pl USERNAME DOMAIN  perl make_domain_coordinator.pl USERNAME DOMAIN
 (WILL PROMPT FOR PASSWORD HERE)  
 </pre>  </pre>
   
 <h2>Start/Restart Services</h2>  <h2>7. <a name="sts">Start/Restart Services</a></h2>
 <p>  <p>
 The LON-CAPA network services take a moment to start.  Most misconfigurations  The LON-CAPA network services take a moment to start.  Most misconfigurations
 will be apparent at this step.  will be apparent at this step.
Line 267  please make sure you followed the instru Line 279  please make sure you followed the instru
 <b>Installing LON-CAPA Dependencies</b>.  If you still have errors, please  <b>Installing LON-CAPA Dependencies</b>.  If you still have errors, please
 contact the MSU LON-CAPA group.  contact the MSU LON-CAPA group.
 </p>  </p>
 <h2>Log in to your LON-CAPA Machine</h2>  
   <h2>8. <a name="log">Log in to your LON-CAPA Machine</a></h2>
 <p>  <p>
 Point a web browser at your new machine and log in as the domain  Point a web browser at your new machine and log in as the domain
 coordinator.  Congratulations!  coordinator.  Congratulations!
 </p>  </p>
   
   <hr>
 <h2>If things aren't working right</h2>  <h2>If things aren't working right</h2>
 <p>  <p>
 If you've followed the steps above and the server doesn't start or you think   If you've followed the steps above and the server doesn't start or you think 

Removed from v.1.1  
changed lines
  Added in v.1.8


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