==== Test the Repositories ====
* Start a terminal sessions and switch to the root user.
* Enter the following commands.
<blockquote>{{Code|yum clean all
yum repolist}}</blockquote>
* Something like this with other stuff will be displayed.
<blockquote>
{{Text|Text=repo id
f18-base-local
f18-updates-local}}</blockquote>
==== Refreshing a Repository ====