The ultimate minimalist solution consists of symlinks, aaaa.my.org -> mediawiki bbbb.my.org -> mediawiki cccc.my.org -> mediawiki and in mediawiki/LocalSettings.php: $sites=array('aaaa','bbbb','cccc'); foreach ($sites as $v){ if(strpos($_SERVER['SCRIPT_FILENAME'].$_SERVER['PWD'],$v)) {$wgDBname=$v;break;}} $wgLogo="/skins/common/images/$wgDBname.png"; $wgSitename=$wgDBname;
http://www.mediawiki.org/wiki/Manual:Wiki_family#Ultimate_minimalist_solutio...