Enable memcached in the config

inc/instance-config.php

@@ -77,6 +77,7 @@ $config['db']['prefix'] = '';
 $config['db']['user'] = 'lainchan';
 $config['db']['password'] = '';
 
+$config['cache']['enabled'] = 'memcached';
 
 $config['cookies']['mod'] = 'mod';
 $config['cookies']['salt'] = 'MGYwNjhlNjU5Y2QxNWU3YjQ3MzQ1Yj';