Until recently, the College website utilized a branch of WordPress called WordPressMU (WPMU) to easily manage content throughout various portions of the site. However, last week, a brand new version of WordPress was released that incorporates all of the features and advantages of using WPMU.
The WordPress installation here on the College website has now been successfully upgraded from WPMU 2.9.2 to WordPress 3.0. The upgrade and installation procedure was completed with relative ease. The developers behind WordPress did a fantastic job of anticipating the changes that would need to be made to migrate a WPMU site into the new version of WordPress.
To begin the upgrade process, the entire WPMU installation (including the database) was backed up and stored in a safe location. Then, each of the installed plugins that had available updates were updated. Once the plugins were all up to date, the WPMU installation itself was upgraded by simply pressing the “Upgrade” button within the administrative area.
Next, some new code was added to the configuration file (as instructed by Worpdress from within the administrative area), the individual WPMU blogs were updated with the click of a single link, the .htaccess file was updated and a single deprecated WPMU file was removed from the Web server. With those few steps completed, the upgrade was finished. Detailed information about migrating a WPMU site to WordPress 3.0 can be found on Developer’s Mind. Though, because of the instructive prompts within the WordPress dashboard, most will probably not even need to reference the article.