--- doc/build/centos8_install.frag	2019/10/03 23:40:32	1.2
+++ doc/build/centos8_install.frag	2021/03/09 13:01:55	1.5
@@ -95,9 +95,9 @@ web server ports (i.e., http and https):
 <pre>
 systemctl enable firewalld
 systemctl start firewalld
-sudo firewall-cmd --zone=public --permanent --add-service=http
-sudo firewall-cmd --zone=public --permanent --add-service=https
-sudo firewall-cmd --reload
+firewall-cmd --zone=public --permanent --add-service=http
+firewall-cmd --zone=public --permanent --add-service=https
+firewall-cmd --reload
 </pre>
 
 <h2>4. <a id="upd">Update your system</a></h2>
@@ -116,26 +116,22 @@ If the kernel was updated, reboot your s
 Enable access to the EPEL repository
 </p>
 <pre>
-dnf install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm
+dnf install epel-release
 </pre>
 <p>
 Enable the CentOS-PowerTools repository
 </p>
-<ol>
-<li>Retrieve the PowerTools.repo file from the LON-CAPA install site:
 <pre>
-wget http://install.loncapa.org/versions/centos/8/centos8_PowerTools_yum.conf
+dnf config-manager --set-enabled powertools
 </pre>
-</li>
-<li>
-Install the PowerTools.repo file
+<p>
+Install the loncapa.repo file from the LON-CAPA install site:
+</p>
 <pre>
-mv centos8_PowerTools_yum.conf /etc/yum.repos.d/CentOS-PowerTools.repo
+wget -O /etc/yum.repos.d/loncapa.repo http://install.loncapa.org/versions/centos/8/loncapa.repo
 </pre>
-</li>
-</ol>
 <p>
-Check the required repositories are enabled
+Verify the required repositories are enabled:
 </p>
 <pre>
 dnf repolist enabled
@@ -148,7 +144,7 @@ The list of enabled repos should be as f
 <tr><td>AppStream</td><td>CentOS-8 - AppStream</td></tr>
 <tr><td>BaseOS</td><td>CentOS-8 - Base</td></tr>
 <tr><td>PowerTools</td><td>CentOS-8 - PowerTools</td></tr>
-<tr><td>*epel</td><td>Extra Packages for Enterprise Linux 8 - x86_6</td></tr>
+<tr><td>*epel</td><td>Extra Packages for Enterprise Linux 8 - x86_64</td></tr>
 <tr><td>extras</td><td>CentOS-8 - Extras</td></tr>
 <tr><td>loncapa-updates-basearch</td><td>CentOS 8 LON-CAPA x86_64 Updates</td></tr>
 <tr><td>loncapa-updates-noarch</td><td>CentOS 8 LON-CAPA noarch Updates</td></tr>
@@ -308,7 +304,7 @@ The LON-CAPA network services take a mom
 will be apparent at this step.
 </p>
 <pre>
-/etc/init.d/loncontrol start
+/home/httpd/perl/loncontrol start
 systemctl start httpd
 </pre>
 <p>