Consumerium:Sandbox
Testing if http://www.mediawiki.org/wiki/Extension:VisualMathCaptcha is properly installed
Installed PHP module GD .. let's see if it works now ..
Rebooted apache2, perhaps it works now..
wrote "$wgSpecialPageLockdown['VisualMathCaptcha'] = array('*');" in LocalSettings.php, maybe it works now
testing.