diff --git a/xCAT/postscripts/ospkgs b/xCAT/postscripts/ospkgs
index dfe18b891..c41c86097 100755
--- a/xCAT/postscripts/ospkgs
+++ b/xCAT/postscripts/ospkgs
@@ -23,6 +23,8 @@
 #=cut
 #-------------------------------------------------------------------------------
 
+#set -x
+
 if [ -n "$LOGLABEL" ]; then
     log_label=$LOGLABEL
 else
@@ -891,6 +893,7 @@ else
 	       fi
 	       echo "enabled=1" >> $REPOFILE
 	       echo "gpgcheck=0" >> $REPOFILE
+               echo "skip_if_unavailable=True" >> $REPOFILE
            fi
            i=$((i+1))
      done
diff --git a/xCAT/postscripts/otherpkgs b/xCAT/postscripts/otherpkgs
index f595b1dc1..38a535a98 100755
--- a/xCAT/postscripts/otherpkgs
+++ b/xCAT/postscripts/otherpkgs
@@ -573,6 +573,7 @@ elif ( ((pmatch "$OSVER" "rhel*") || (pmatch "$OSVER" "centos*") || (pmatch "$OS
 	       fi
 	       echo "enabled=1" >> $REPOFILE
 	       echo "gpgcheck=0" >> $REPOFILE
+               echo "skip_if_unavailable=True" >> $REPOFILE
            fi
            i=$((i+1))
       done