MediaWiki install

vi public_html/mediawiki/LocalSettings.php

$wgEnableUploads = true; $wgFileExtensions = array( 'png', 'gif', 'jpg', 'jpeg', 'doc',

   'xls', 'mpp', 'pdf', 'ppt', 'tiff', 'bmp', 'docx', 'xlsx',
   'pptx', 'ps', 'odt', 'ods', 'odp', 'odg'

);

$wgGroupPermissions['*']['createaccount'] = false; $wgGroupPermissions['*']['edit'] = false;