doc: Added section to install priorities/preferences.

Signed-off-by: John Wilkins <jowilkin@redhat.com>

diff --git a/doc/start/quick-start-preflight.rst b/doc/start/quick-start-preflight.rst
index 5af42769877efeab2ad8c0e631f6b2c1304641bf..9082813eab4b6dd4f6b87193911a339f73d84799 100644 (file)
--- a/doc/start/quick-start-preflight.rst
+++ b/doc/start/quick-start-preflight.rst
@@ -295,6 +295,22 @@ To configure SELinux persistently (recommended if SELinux is an issue), modify
 the configuration file at  ``/etc/selinux/config``.
 
 
+Priorities/Preferences
+----------------------
+
+Ensure that your package manager has priority/preferences packages installed and
+enabled. On CentOS, you may need to install EPEL. On RHEL, you may need to
+enable optional repositories. ::
+
+       sudo yum install yum-plugin-priorities
+
+For example, on RHEL 7 server, execute the following to install
+``yum-plugin-priorities`` and enable the  ``rhel-7-server-optional-rpms``
+repository::
+
+       sudo yum install yum-plugin-priorities --enablerepo=rhel-7-server-optional-rpms
+
+
 Summary
 =======