You may want to check your "MediaWiki"
and "Help" namespaces in case you
are referring to your site with URLs that contain the server name
or any namespace where someone used an external URL link to your own
]) instead of an internal link (
Thank you all for the help,
Actually I'm managing a number of virtual domains (wikis),
so after the change of virtual host config. file (.conf), I've change the directory
and DNS name.
The only thing I had to change in LocalSettings.php is
$IP = "/var/www/localhost/htdocs/newdir";