Where am I?

whereami.php

<?php
/* Plugin Name: Where am I?
 * Description: Adds the current server name and WordPress path to the admin footer.
 * Version:     2015.07.04
 * Author:      toscho
 * Author URI:  http://wpkrauts.com/
 * License:     MIT
 * License URI: http://opensource.org/licenses/MIT
 */
add_filter( 'admin_footer_text', function( $text ) {

	if ( current_user_can( 'update_core' ) )
		return '<code>Server: ' . php_uname( "n" ) . ' Path: ' . ABSPATH . '</code>';

	return $text;
});