--- doc/build/centos6_install.frag	2013/12/13 17:21:29	1.3
+++ doc/build/centos6_install.frag	2019/12/02 16:34:04	1.4
@@ -92,6 +92,12 @@ Finish installing your server, reboot it
 
 <h2>3. <a name="upd">Update your system</a></h2>
 <p>
+Enable access to the EPEL repository
+</p>
+<pre>
+yum install epel-release
+</pre>
+<p>
 Update your system to the latest versions of the system software using yum.
 </p>
 <pre>
@@ -116,6 +122,24 @@ mv /etc/yum.conf /etc/yum.conf.backup
 cp centos6_loncapa_yum.conf /etc/yum.conf
 yum update
 </pre>
+<p>
+Verify the required repositories are enabled:
+</p>
+<pre>
+yum repolist enabled
+</pre>
+<p>
+The list of enabled repos should be as follows (where $basearch = x86_64 or i386):
+</p>
+<table style="border: 0px; border-collapse: collapse;">
+<tr><th>repo id</th><th>repo name</th></tr>
+<tr><td>base</td><td>CentOS-6 - Base<td></tr>
+<tr><td>epel</td><td>Extra Packages for Enterprise Linux 6 - $basearch</td></tr>
+<tr><td>extras</td><td>CentOS-6 - Extras</td></tr>
+<tr><td>loncapa-updates-basearch</td><td>CentOS 6 LON-CAPA $basearch Updates</td></tr>
+<tr><td>loncapa-updates-noarch</td><td>CentOS 6 LON-CAPA noarch Updates</td></tr>
+<tr><td>updates</td><td>CentOS-6 - Updates<td></tr>
+</table>
 
 <h3>Configure SELinux</h3>
 <p>