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<h1>Setting up a Red Hat 7.3 LON-CAPA Server</h1>	<h1>Setting up a Red Hat 7.3 LON-CAPA Server</h1>
	<h2>Integrated installation</h2>
	<p>
	These instructions combine the installation of RedHat 7.3 and LON-CAPA
	into one straightforward process.
	More information is available at <a href="http://install.lon-capa.org/">
	http://install.lon-capa.org/</a>.
	</p>

<h2>Before you begin</h2>	<h2>Before you begin</h2>
<p>	<p>
Line 13 some routine Unix commands. Some famili	Line 27 some routine Unix commands. Some famili
<h2>Installation Overview</h2>	<h2>Installation Overview</h2>
<p>	<p>
The installation process takes the following steps:	The installation process takes the following steps:
	</p>
<ol>	<ol>
<li> Obtain Red Hat 7.3 </li>	<li> Obtain Red Hat 7.3 </li>
<li> Gather information for installing Red Hat </li>	<li> Gather information for installing Red Hat </li>
Line 25 The installation process takes the follo	Line 40 The installation process takes the follo
<li> Start/Restart services </li>	<li> Start/Restart services </li>
<li> Log in to LON-CAPA </li>	<li> Log in to LON-CAPA </li>
</ol>	</ol>
</p>

<h2>Obtain the Red Hat 7.3 installation CDs</h2>	<h2>Obtain the Red Hat 7.3 installation CDs</h2>
<p>	<p>
If you like, you may contact the LON-CAPA development staff and we can	These are freely available on the internet.
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>	</p>

<h2>Determine Network settings for your site</h2>	<h2>Determine Network settings for your site</h2>
<p>	<p>
You will need to have the following information for your site. You must	You will need to have the following information for your site. You must
have a static IP address (do not use DHCP).	have a static IP address (do not use DHCP).
	</p>
<ul>	<ul>
<li>ip address </li>	<li>ip address </li>
<li>netmask </li>	<li>netmask </li>
Line 47 have a static IP address (do not use DHC	Line 60 have a static IP address (do not use DHC
<li>gateway </li>	<li>gateway </li>
<li>domain name server(s) </li>	<li>domain name server(s) </li>
</ul>	</ul>
</p>

<h2>Install Red Hat 7.3</h2>	<h2>Install Red Hat 7.3</h2>
<p>	<p>
When you install RedHat you will need to ensure the following (the list below	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):	is in the order the issues appear in the installation of Red Hat 7.3):
	</p>
<dl>	<dl>
<dt>Installation Type	<dt>Installation Type</dt>
<dd>You should definitely do a "Server" install. We do not recommend	<dd>You should definitely do a "Server" install. We do not recommend
Trying to install LON-CAPA with a different installation type.	Trying to install LON-CAPA with a different installation type.</dd>
<dt>Partitioning your Drive	<dt>Partitioning your Drive</dt>
<dd>You may want to use the automatic partitioning feature of Red Hat,	<dd>You may want to use the automatic partitioning feature of Red Hat,
however you should review the results and be prepared to modify them.	however you should review the results and be prepared to modify them.
LON-CAPA resource files are stored in the /home directory, so the	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	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	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	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.	typically have 1 or 2x as much swap space as you do physical RAM.</dd>
<dt>Network Configuration	<dt>Network Configuration</dt>
<dd>LON-CAPA will <b>not</b> work with a machine set up to use a dynamic	<dd>LON-CAPA will <b>not</b> work with a machine set up to use a dynamic
IP address. When configuring your network card, be sure to unselect	IP address. When configuring your network card, be sure to unselect
the DHCP option and enter in your network information.	the DHCP option and enter in your network information.</dd>
<dt>Firewall Configuration	<dt>Firewall Configuration</dt>
<dd>The installation script will remove and disable your firewall.	<dd>The installation script will remove and disable your firewall.</dd>
<dt>Package Group Selection	<dt>Package Group Selection</dt>
<dd>At a minimum, install the following packages:	<dd>At a minimum, install the following packages:
<ul>	<ul>
<li>NFS File Server </li>	<li>NFS File Server </li>
<li>Windows File Server </li>	<li>Windows File Server </li>
<li>Web Server </li>	<li>Web Server </li>
</ul>	</ul>
Other packages can be installed as you like.	Other packages can be installed as you like.</dd>
<dt>X Windows Configuration	<dt>X Windows Configuration</dt>
<dd>If you chose to install the X-windows packages you will need to	<dd>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	configure them. If you are unsure of the support for your video
card you may wish to skip the configuration.	card you may wish to skip the configuration.</dd>
</dl>	</dl>
	<p>
Other notes:	Other notes:
	</p>
<ul>	<ul>
<li>Use md5 and shadow passwords if you are given the choice (this is	<li>Use md5 and shadow passwords if you are given the choice (this is
the default). </li>	the default). </li>
</ul>	</ul>
</p>

<h2>Determine LON-CAPA settings</h2>	<h2>Determine LON-CAPA settings</h2>
<p>	<p>
LON-CAPA requires a number of identifying parameters be set in order	LON-CAPA requires a number of identifying parameters be set in order
for it to function at all. Below is a list with descriptions.	for it to function at all. Below is a list with descriptions.
	</p>
<dl>	<dl>
<dt>Host Type (library or access)	<dt>Host Type (library or access)</dt>
<dd>The server must be designated a 'library' or an 'access' server. In	<dd>The server must be designated a 'library' or an 'access' server. In
general you should have a library server for your instructors to create	general you should have a library server for your instructors to create
their course content on and run their courses. Students should connect	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	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	your site, or if you are playing with it for your own edification, you
should make your machine a 'library' server.	should make your machine a 'library' server.</dd>
<dt>LON-CAPA domain	<dt>LON-CAPA domain</dt>
<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 special characters!</i>	meaningful.
<dt>LON-CAPA host id	<i>Restriction: One word, no hyphens, underscores, or special characters</i>
	</dd>
	<dt>LON-CAPA host id</dt>
<dd>Each LON-CAPA server requires a unique internal name. We use names	<dd>Each LON-CAPA server requires a unique internal name. We use names
such as "msul1" for the first library server. <i>Restriction:	such as "msul1" for the first library server.
One word, no hyphens, underscores, or special characters!</i>	<i>Restriction: One word, no hyphens, underscores, or special characters</i>
<dt>Host administrator email	</dd>
	<dt>Host administrator email</dt>
<dd>The amount of email sent to this address is relatively minimal. Messages	<dd>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	are sent every time the system starts up, or if the system is in
trouble. On a laptop, make this <tt>root@localhost</tt>.	serious trouble. On a laptop, make this <tt>root@localhost</tt>.
<dt>Root password for SQL database	</dd>
	<dt>Root password for SQL database</dt>
<dd>In order to keep people from corrupting the MYSQL database, a root	<dd>In order to keep people from corrupting the MYSQL database, a root
password is needed. You'll need to remember this.	password is needed. You'll need to remember this.</dd>
</dl>	</dl>
</p>

<h2>Install LON-CAPA</h2>	<h2>Install LON-CAPA</h2>
<p>	<p>
Log in as root with the password you provided during the Red Hat	Log in as root with the password you provided during the Red Hat
installation process.	installation process.
	</p><p>
	Stop the http daemon while we're installing LON-CAPA.
	<pre>
	/etc/init.d/httpd stop
	</pre>
	</p><p>
	Retrieve the LON-CAPA installation package
<pre>	<pre>
wget http://install.loncapa.org/versions/rh73install/loncapa-rh73install.tar	wget http://install.loncapa.org/versions/rh73install/loncapa-rh73install.tar
tar xf loncapa-rh73install.tar	tar xf loncapa-rh73install.tar
Line 136 cd install	Line 161 cd install
<h2>Configure LON-CAPA</h2>	<h2>Configure LON-CAPA</h2>
<p>	<p>
Execute the following commands	Execute the following commands
	</p>
<pre>	<pre>
cd /root/loncapa/	cd /root/loncapa-N.N (N.N should correspond to a version number like '0.6')
./UPDATE	./UPDATE
</pre>	</pre>
	<p>
You will need to enter the LON-CAPA configuration information you requested	You will need to enter the LON-CAPA configuration information you requested
above. Additionally, you will need to enter the following information	above.
(options 5 and 6 in the menu, recommended settings):	</p>
<dl>
<dt>Cache Expiration Time	<h2>Update your system</h2>
<dd>86400	<p>
<dt>Server Load	It is very important that you update your LON-CAPA system to use the
<dd>2.0	latest RedHat packages. LON-CAPA uses CHECKRPMS to notify users their system
</dl>	needs updating.
You can deviate from the above settings if you know what you are doing.	<pre>
	/usr/local/loncapa/bin/CHECKRPMS
	</pre>
	CHECKRPMS will give you the option of downloading the updates you need.
	Say yes. Then issue the following commands:
	<pre>
	cd /tmp/loncapa_rpm_updates'
	rpm -Uvh *
	</pre>
	</p><p>
	You will need to reboot your system to begin running the new Linux Kernel
	put out by RedHat. You can wait until the end of the LON-CAPA installation
	process to reboot.
	</p><p>
	Congratulate yourself - your system is up to date. Please do your best to
	keep it that way! When LON-CAPA is installed it sets itself up to run
	CHECKRPMS script every night and email you the results.
	<b>Please do not ignore these emails.</b>
	You will need to update the RPMs yourself when it notifies you.
	Keeping your system up-to-date goes a long way towards ensuring the
	integrity of your student records.
</p>	</p>

<h2>Picking a hosts.tab file</h2>	<h2>Picking a hosts.tab file</h2>
	<p>
The "hosts.tab" file controls which LON-CAPA servers your server attempts	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	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'	install of LON-CAPA on your network, we suggest choosing a 'standalone'
"hosts.tab". On a laptop, you must choose 'standalone'.	"hosts.tab". On a laptop, you must choose 'standalone'.
Please contact the support staff at www.loncapa.org for	Please contact the support staff at www.loncapa.org for
information about adding more hosts to your "hosts.tab" file.	information about adding more hosts to your "hosts.tab" file.
	</p>
<p>	<p>
<b>Note:</b> for <b>non</b>-standalone configurations, you do need to add	<b>Note:</b> for <b>non</b>-standalone configurations, you do need to add
yourself to the <tt>/home/httpd/lonTabs/hosts.tab</tt> to initially test your	yourself to the <tt>/home/httpd/lonTabs/hosts.tab</tt> to initially test your
configuration. Eventually, you will be added to the general cluster tables by	configuration. Eventually, you will be added to the general cluster tables by
LON-CAPA staff, so this is temporary. A <tt>hosts.tab</tt> entry has the	LON-CAPA staff, so this is temporary. A <tt>hosts.tab</tt> entry has the
format	format
	</p>
<pre>	<pre>
lonHostID:domain:hosttype:dns-name:ipaddress	lonHostID:domain:hosttype:dns-name:ipaddress
</pre>	</pre>
	<p>
for example	for example
	</p>
<pre>	<pre>
103l5:library:s17.lite.msu.edu:35.8.63.27	103l5:library:s17.lite.msu.edu:35.8.63.27
</pre>	</pre>
	<p>
Please edit this file with a UNIX editor, not a PC or Mac one, so that the	Please edit this file with a UNIX editor, not a PC or Mac one, so that the
linebreaks are correct.	linebreaks are correct.

</p>	</p>

<h2>Creating a Domain Coordinator</h2>	<h2>Creating a Domain Coordinator</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
Line 185 invoked below requires that you enter th	Line 238 invoked below requires that you enter th
show in plaintext as you type it. Feel free to use the "passwd username"	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	command to change it later. Replace USERNAME and DOMAIN with an
appropriate user name and your domain.	appropriate user name and your domain.
	</p>
<pre>	<pre>
cd /root/loncapa/loncom/build	cd /root/loncapa-N.N/loncom/build
perl make_domain_coordinator.pl USERNAME DOMAIN	perl make_domain_coordinator.pl USERNAME DOMAIN
(WILL PROMPT FOR PASSWORD HERE)	(WILL PROMPT FOR PASSWORD HERE)
mkdir ~USERNAME/public_html	mkdir ~USERNAME/public_html
chown USERNAME:www ~USERNAME/public_html	chown USERNAME:www ~USERNAME/public_html
chmod 0775 ~USERNAME/public_html	chmod 0775 ~USERNAME/public_html
	chmod a+x ~USERNAME
</pre>	</pre>
</p>

<h2>Start/Restart Services</h2>	<h2>Start/Restart Services</h2>
<p>	<p>
The services take about 10 minutes to start.	The LON-CAPA network services take about a minute to start.
	</p>
<pre>	<pre>
/etc/init.d/loncontrol start	/etc/init.d/loncontrol start
/etc/init.d/httpd restart	/etc/init.d/httpd restart
</pre>	</pre>
</p>

<h2>Make Sure that Services Autostart on Boot</h2>	<h2>Make Sure that Services Autostart on Boot</h2>
<p>On Redhat 7.3 it is not guaranteed that Apache and MySQL automatically	<p>On Redhat 7.3 it is not guaranteed that Apache and MySQL automatically
restart on boot. You should run /usr/sbin/ntsysv and set the following	restart on boot. You should run /usr/sbin/ntsysv and set the following
daemons to be started at boot:	daemons to be started at boot:
	</p>
<pre>	<pre>
httpd	httpd
mysqld	mysqld
</pre>	</pre>
	<p>
It is not necessary to reboot after doing this as they should already be	It is not necessary to reboot after doing this as they should already be
running by this point in the installation.	running by this point in the installation.
	</p>
<pre>	<pre>
/etc/init.d/httpd restart	/etc/init.d/httpd restart
/etc/init.d/mysqld restart	/etc/init.d/mysqld restart
</pre>	</pre>
</p>
<h2>Log in to your LON-CAPA Machine</h2>	<h2>Log in to your LON-CAPA Machine</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>
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