init blog

wp-admin/network/update-core.php

@@ -0,0 +1,16 @@
+<?php
+/**
+ * Updates network administration panel.
+ *
+ * @package WordPress
+ * @subpackage Multisite
+ * @since 3.1.0
+ */
+
+/** Load WordPress Administration Bootstrap */
+require_once( dirname( __FILE__ ) . '/admin.php' );
+
+if ( ! is_multisite() )
+	wp_die( __( 'Multisite support is not enabled.' ) );
+
+require( ABSPATH . 'wp-admin/update-core.php' );