One of the first things people want to know is the major differences in code between the stand-alone version WordPress and WordPressMU. The official FAQ says: How much code does it share with regular WordPress? Basically WordPress MU is a wrapper around the core WP code that virtualizes multiple blogs....

Simply put, WordPressMu is software intended for those who wish to run a site similar to WordPress.com. As such, a shared hosting plan will quickly run out of resources and you will be asked to leave long before you run out of bandwidth or storage space. It is not like running one blog setup with hundreds...

Before installing MU, it is very important to do a few things. The utmost important one is to read the readme.txt file. The installation procedure is not the same as the famous 5 minute Wordpress install; it is quite different. Become familiar with the contents of this file. If at any point you have...

One noticeable difference in the file structure between WordPress and WordPressMU is the addition of the mu-plugins folder. Files placed within this folder will be executed automatically. If the plugin requires a hook into the plugin activation sequence, it will not be compatible with this auto-execution...

Sometimes on a WPMU system, you may wish to have a theme enabled just for one blog. The main blog is a good example,. because you do not want users able to choose the exact same layout as the main blog with any custom coding it may have. First, make sure the theme is not active site-wide. If you have...

In MU, users do not have access to the server, and the site admin is the one who will upload new themes. They stil go in the Themes directory just like in regular WordPress. Before they will show up sitewide for all users, the admin must enable it. Go to Site Admin -> Themes. Here you will be presented...

Welcome to WordPressMu tutorials, most of which will be coming soon. Here I’ll explain how to do basic to intermediate tasks within and without MU to get it to behave how you want. I’ll also explain how it works. Stay tuned! Mind the dust though, I’m editing this place live.  ...