MediaWiki Upgrade January 2014
From Free Knowledge Base- The DUCK Project: information for everyone
Prior to updating the mediawiki, a few things need to be determined.
First, read MediaWiki Upgrade April 2011 for notes on the last mediawiki upgrade.
Refer to Manual:Upgrading
Determine the current version of MediaWiki. You can find the MediaWiki version on your server in the file includes/DefaultSettings.php. It should be a variable assigned somewhere in the first 50 lines or so. (see Upgrade - need to find version)
Determine the MySQL version. Since the last upgrade the MySQL server was independently updated, as was PHP, Apache, and the OS (kernel_