How to get blog-id of an MU site from functions.php
For the current site, you can use the $current_site global variable and look at the blog_id member variable, e.g. $current_site->blog_id
multisite
Manually Moving Posts/Pages/Comments/Tags from WPMU to WP3.0
I am not sure from your description if you have active WPMU install or only XML export from it? From googling around upgrading active WPMU install to 3.x should be more or less robust: Best way to migrate WPMU 2.9.2 sites to a fresh WP3.0.1 install? Upgrading from WPMU to WP 3.0 IF you are … Read more
Problem with new Multisite Installation
The instructions clearly state you must create this folder under the wp-content folder. This isn’t a bug or an issue with your server. You missed a step. http://codex.wordpress.org/Create_A_Network http://wpebooks.com/2010/09/how-to-enable-multisite-in-wordpress/
How can I run multiple unique WordPress sites off of one VPS
Well you have two options, you can either do vhosting and have separate instances for each domain. This would mean the sites would be completely independent from each other. If you’re thinking of selling of a site or moving it to a different vps/server because it’s outgrown the current and deserving of it’s own server. … Read more
Static directories in a WordPress multisite network
If a folder physically exists on the server, that will override the blog address in multisite. No fancy rewrites needed. Your only issue is making sure that they have access to that folder and that folder only, if they choose the static one. 😉 Also: You cannot nest URLs in multisite. You’d need a new … Read more
Permission warning in wordpress multisite
Do you have any specific reason to use externally loaded SimplePie? WordPress comes with SimplePie bundled and has wrappers that properly integrate and set up caching for it. See fetch_feed() in Codex.
Two-way synchronizing of a post type among multisite blogs
I don’t know what you mean by sync users. Users are global in the network and can be assigned to any blogs. “both their public website and backend both use their own multisite blog. “ This doesn’t make sense. Can you clarify?
Customizing 1 theme for multiple blogs in a multisite setup
If it is just css customizations, use this plugin: http://wordpress.org/extend/plugins/safecss/ It’s what wp.com uses for their css upgrade. If you have to edit the php, make a copy of the theme with a new name on the theme folder and in style.css.
Bulk User Deletion
Super Admin > Users. Screen Options (top right) > Show on screen __ users. Be careful, listing hundreds of users could kill your server. Heh!
Global navigation in multisite: problem with categories
This problem has been resolved by use of the plugin ‘Remove Blog Slug’ available at buddydev.com/plugins/remove-blog-slug-plugin/.