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<div class=Section1>
<h1>Fast Installation: Setting up a Red Hat 7.3 LON-CAPA Server</h1>
<h2><a name="_Toc421867176">Before you begin</a></h2>
<p>Installing Linux is getting easier and easier. However, it is still a
non-trivial undertaking and experience with Red Hat Linux will make this
process easier. You will be required to log in to the machine and execute some
routine Unix commands. Some familiarity with Linux is assumed. </p>
<h2><a name="_Toc421867177">Installation Overview</a></h2>
<p>The installation process takes the following steps: </p>
<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l1 level1 lfo1;
tab-stops:list .5in'><![if !supportLists]>1.<span style='font:7.0pt "Times New Roman"'>
</span><![endif]>Obtain Red Hat 7.3 </p>
<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l1 level1 lfo1;
tab-stops:list .5in'><![if !supportLists]>2.<span style='font:7.0pt "Times New Roman"'>
</span><![endif]>Gather information for installing Red Hat </p>
<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l1 level1 lfo1;
tab-stops:list .5in'><![if !supportLists]>3.<span style='font:7.0pt "Times New Roman"'>
</span><![endif]>Install Red Hat 7.3 </p>
<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l1 level1 lfo1;
tab-stops:list .5in'><![if !supportLists]>4.<span style='font:7.0pt "Times New Roman"'>
</span><![endif]>Determine your LON-CAPA Settings </p>
<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l1 level1 lfo1;
tab-stops:list .5in'><![if !supportLists]>5.<span style='font:7.0pt "Times New Roman"'>
</span><![endif]>Install LON-CAPA </p>
<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l1 level1 lfo1;
tab-stops:list .5in'><![if !supportLists]>6.<span style='font:7.0pt "Times New Roman"'>
</span><![endif]>Configure LON-CAPA </p>
<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l1 level1 lfo1;
tab-stops:list .5in'><![if !supportLists]>7.<span style='font:7.0pt "Times New Roman"'>
</span><![endif]>Pick a hosts.tab file </p>
<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l1 level1 lfo1;
tab-stops:list .5in'><![if !supportLists]>8.<span style='font:7.0pt "Times New Roman"'>
</span><![endif]>Create a Domain Coordinator </p>
<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l1 level1 lfo1;
tab-stops:list .5in'><![if !supportLists]>9.<span style='font:7.0pt "Times New Roman"'>
</span><![endif]>Start/Restart services </p>
<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l1 level1 lfo1;
tab-stops:list .5in'><![if !supportLists]>10.<span style='font:7.0pt "Times New Roman"'>
</span><![endif]>Log in to LON-CAPA </p>
<h2><a name="_Toc421867178">Obtain the Red Hat 7.3 installation CDs</a></h2>
<p>If you like, you may contact the LON-CAPA development staff and we can mail
the CDs to you. Another option is to download the cd images and burn them
yourself, or install from a mirror site using ftp or http. </p>
<h2><a name="_Toc421867179">Determine Network settings for your site</a></h2>
<p>You will need to have the following information for your site. You must have
a static IP address (do not use DHCP). </p>
<ul style='margin-top:0in' type=disc>
<li class=MsoNormal style='mso-list:l0 level1 lfo2;tab-stops:list .5in'>ip
address </li>
<li class=MsoNormal style='mso-list:l0 level1 lfo2;tab-stops:list .5in'>netmask
</li>
<li class=MsoNormal style='mso-list:l0 level1 lfo2;tab-stops:list .5in'>network
</li>
<li class=MsoNormal style='mso-list:l0 level1 lfo2;tab-stops:list .5in'>broadcast
</li>
<li class=MsoNormal style='mso-list:l0 level1 lfo2;tab-stops:list .5in'>hostname
</li>
<li class=MsoNormal style='mso-list:l0 level1 lfo2;tab-stops:list .5in'>gateway
</li>
<li class=MsoNormal style='mso-list:l0 level1 lfo2;tab-stops:list .5in'>domain
name server(s) </li>
</ul>
<h2><a name="_Toc421867180">Install Red Hat 7.3</a></h2>
<p>When you install RedHat you will need to ensure the following (the list
below is in the order the issues appear in the installation of Red Hat 7.3): </p>
<p class=MsoNormal>Installation Type </p>
<p class=MsoNormal style='margin-left:.5in'>You should definitely do a
"Server" install. We do not recommend Trying to install LON-CAPA with
a different installation type. </p>
<p class=MsoNormal>Partitioning your Drive </p>
<p class=MsoNormal style='margin-left:.5in'>You may want to use the automatic
partitioning feature of Red Hat, however you should review the results and be
prepared to modify them. LON-CAPA resource files are stored in the /home
directory, so the lion's share of the drive should be allocated here. If you
have 8 GB of space for Red Hat, /home should receive 4 to 6 gigs. Be sure to
include adequate swap space. A minimum is 512 Megs, but you should typically
have 1 or 2x as much swap space as you do physical RAM. </p>
<p class=MsoNormal>Network Configuration </p>
<p class=MsoNormal style='margin-left:.5in'>LON-CAPA will <b>not</b><span
style='font-weight:normal'> work with a machine set up to use a dynamic IP
address. When configuring your network card, be sure to unselect the DHCP
option and enter in your network information. </span></p>
<p class=MsoNormal>Firewall Configuration </p>
<p class=MsoNormal style='margin-left:.5in'>The installation script will remove
and disable your firewall. </p>
<p class=MsoNormal>Package Group Selection </p>
<p class=MsoNormal style='margin-left:.5in'>At a minimum, install the following
packages: </p>
<ul style='margin-top:0in' type=disc>
<li class=MsoNormal style='mso-list:l2 level1 lfo3;tab-stops:list .5in'>NFS
File Server </li>
<li class=MsoNormal style='mso-list:l2 level1 lfo3;tab-stops:list .5in'>Windows
File Server </li>
<li class=MsoNormal style='mso-list:l2 level1 lfo3;tab-stops:list .5in'>Web
Server </li>
</ul>
<p class=MsoNormal style='margin-left:.5in'>Other packages can be installed as
you like. </p>
<p class=MsoNormal>X Windows Configuration </p>
<p class=MsoNormal style='margin-left:.5in'>If you chose to install the
X-windows packages you will need to configure them. If you are unsure of the
support for your video card you may wish to skip the configuration. </p>
<p class=MsoNormal>Other notes: </p>
<ul style='margin-top:0in' type=disc>
<li class=MsoNormal style='mso-list:l3 level1 lfo4;tab-stops:list .5in'>Use
md5 and shadow passwords if you are given the choice (this is the
default). </li>
</ul>
<h2><a name="_Toc421867181">Determine LON-CAPA settings</a></h2>
<p>LON-CAPA requires a number of identifying parameters be set in order for it
to function at all. Below is a list with descriptions. </p>
<p class=MsoNormal>Host Type (library or access) </p>
<p class=MsoNormal style='margin-left:.5in'>The server must be designated a
'library' or an 'access' server. In general you should have a library server
for your instructors to create their course content on and run their courses.
Students should connect to access servers. If you are doing the first install
of LON-CAPA at your site, or if you are playing with it for your own
edification, you should make your machine a 'library' server. </p>
<p class=MsoNormal>LON-CAPA domain </p>
<p class=MsoNormal style='margin-left:.5in'>Each site or school which installs
LON-CAPA needs its own domain. Here at MSU we use 'msu'. You should choose
something short but meaningful. <i>Restriction: One word, no hyphens,
underscores, or special characters!</i><span style='font-style:normal'> </span></p>
<p class=MsoNormal>LON-CAPA host id </p>
<p class=MsoNormal style='margin-left:.5in'>Each LON-CAPA server requires a
unique internal name. We use names such as "msul1" for the first
library server. <i>Restriction: One word, no hyphens, underscores, or special
characters!</i><span style='font-style:normal'> </span></p>
<p class=MsoNormal>Host administrator email </p>
<p class=MsoNormal style='margin-left:.5in'>The amount of email sent to this
address is relatively minimal. Messages are sent every time the system starts
up, or if the system is in serious trouble. On a laptop, make this <tt><span
style='font-family:"Courier New"'>root@localhost</span></tt>. </p>
<p class=MsoNormal>Root password for SQL database </p>
<p class=MsoNormal style='margin-left:.5in'>In order to keep people from
corrupting the MYSQL database, a root password is needed. You'll need to
remember this. </p>
<h2><a name="_Toc421867182">Install LON-CAPA</a></h2>
<p>Log in as root with the password you provided during the Red Hat
installation process. </p>
<pre><span style="mso-spacerun: yes"> </span>wget http://install.loncapa.org/versions/rh73install/loncapa-rh73install.tar tar xf loncapa-rh73install.tar cd install ./install.pl </pre>
<h2><a name="_Toc421867183">Configure LON-CAPA</a></h2>
<p>Execute the following commands </p>
<pre><span style="mso-spacerun: yes"> </span>cd /root/loncapa/ ./UPDATE </pre>
<p class=MsoNormal>You will need to enter the LON-CAPA configuration
information you requested above. Additionally, you will need to enter the
following information (options 5 and 6 in the menu, recommended settings): </p>
<p class=MsoNormal>Cache Expiration Time </p>
<p class=MsoNormal style='margin-left:.5in'>86400 </p>
<p class=MsoNormal>Server Load </p>
<p class=MsoNormal style='margin-left:.5in'>2.0 </p>
<p class=MsoNormal>You can deviate from the above settings if you know what you
are doing. </p>
<h2><a name="_Toc421867184">Picking a hosts.tab file</a></h2>
<p class=MsoNormal>The "hosts.tab" file controls which LON-CAPA servers
your server attempts to access and which servers it will respond to. If this is
your first install of LON-CAPA on your network, we suggest choosing a
'standalone' "hosts.tab". On a laptop, you must choose 'standalone'.
Please contact the support staff at www.loncapa.org for information about
adding more hosts to your "hosts.tab" file. </p>
<p><b>Note:</b><span style='font-weight:normal'> for </span><b>non</b><span
style='font-weight:normal'>-standalone configurations, you do need to add
yourself to the </span><tt><span style='font-family:"Courier New"'>/home/httpd/lonTabs/hosts.tab</span></tt>
to initially test your configuration. Eventually, you will be added to the
general cluster tables by LON-CAPA staff, so this is temporary. A <tt><span
style='font-family:"Courier New"'>hosts.tab</span></tt> entry has the format </p>
<pre><span style="mso-spacerun: yes"> </span>lonHostID:domain:hosttype:dns-name:ipaddress </pre>
<p class=MsoNormal>for example </p>
<pre><span style="mso-spacerun: yes"> </span>103l5:library:s17.lite.msu.edu:35.8.63.27 </pre>
<p class=MsoNormal>Please edit this file with a UNIX editor, not a PC or Mac
one, so that the linebreaks are correct. </p>
<h2><a name="_Toc421867185">Creating a Domain Coordinator</a></h2>
<p>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 grants them
additional privileges. The make_domain_coordinator.pl script invoked below
requires that you enter the users password. The password will show in plaintext
as you type it. Feel free to use the "passwd username" command to
change it later. Replace USERNAME and DOMAIN with an appropriate user name and
your domain. </p>
<pre><span style="mso-spacerun: yes"> </span>cd /root/loncapa/loncom/build perl make_domain_coordinator.pl USERNAME DOMAIN (WILL PROMPT FOR PASSWORD HERE) mkdir ~USERNAME/public_html chown USERNAME:www ~USERNAME/public_html chmod 0775 ~USERNAME/public_html </pre>
<h2><a name="_Toc421867186">Start/Restart Services</a></h2>
<p>The services take about 10 minutes to start. </p>
<pre><span style="mso-spacerun: yes"> </span>/etc/init.d/loncontrol start /etc/init.d/httpd restart </pre>
<h2><a name="_Toc421867187">Make Sure that Services Autostart on Boot</a></h2>
<p>On Redhat 7.3 it is not guaranteed that Apache and MySQL automatically
restart on boot, even when installing with "server" configuration.
After logging in as root, check under "Programs" - "System"
- "Service Configuration" that "Start on Boot" is checked
for httpd and mysqld, save and restart.. </p>
<h2><a name="_Toc421867188">Log in to your LON-CAPA Machine</a></h2>
<p>Point a web browser at your new machine and log in as the domain
coordinator. Congratulations! </p>
</div>
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