docs: adding expire-cache for xcat setup
@@ -10,7 +10,7 @@ the chroot.
% begin_ohpc_run
% ohpc_comment_header Enable repos in chroot \ref{sec:add_components}
\begin{lstlisting}[language=bash,literate={-}{-}1,keywords={},upquote=true]
-[sms](*\#*) yum-config-manager --installroot=$CHROOT --enable BaseOS
+[sms](*\#*) yum --installroot=$CHROOT clean expire-cache
[sms](*\#*) cp /etc/yum.repos.d/OpenHPC.repo $CHROOT/etc/yum.repos.d
[sms](*\#*) cp /etc/yum.repos.d/epel.repo $CHROOT/etc/yum.repos.d
\end{lstlisting}
