I am guessing that you are using subdomains instead of sub folders for your multisite set up? This is an issue that appears to happen when using subdomains and setting up your multisite manually. I recall this issue happening with WordPress MU a bit ago and it was related to cookies or something and you … Read more
I wrote a post about it a week ago http://en.bainternet.info/2011/custom-post-type-getting-404-on-permalinks But a simple save changes in the permalink admin panel should fix it for you.
Just FYI… WordPress 3.2 includes an updated TinyMCE which allows HTML5 tags. It’s still under development but is fairly stable if you want to take the risk of running it now. The alternative is to write any posts requiring the tag with the visual editor turned off. As long as you don’t turn the editor … Read more
Let see if I remember this correctly. Go to http://yoursite.com/wp-admin/options.php Find permalink_structure. By default, the value should be /blog/%year%/%monthnum%/%postname%/ Change the value manually to whatever value you like. e.g /pressreleases/%year%/%monthnum%/%postname%/ or just /%year%/%monthnum%/%postname%/. Then Save Changes. Now visit http://yoursite.com/wp-admin/options-permalink.php and DON’T click Save Changes. It should flush the rules. If you click Save Changes it … Read more
I’ve just discovered that /$SITENAME/wp-content redirects to /wp-content, so that my visitors don’t load the themes three times.
Take a look at WPMU Global Search plugin which can easily search through all blogs into your WordPress MU posts by post title, post content or post author. and if you are not looking for a plugin then just take a look at the code and see how it’s done.
I’ve found a way around the problem. It’s not a “fix”, but rather a way to get around the problem of needing synchronized user roles. Instead of trying to make all user roles match up, I decided to only check the user roles for the main site. see my function below for how I did … Read more
Hope this helps someone else. After hours of debugging, I found out that under multisite setup, wp_signon ($creds, false) will not log you in. So you should either do: $user = wp_signon ($creds, false); wp_set_auth_cookie($user->ID); or $user = wp_signon ($creds, true);
Have you considered using Sitewide Tags to populate one blog, then using the RSS feed from that blog to display the lastest posts wherever you need them?
This is actually stored in the {prefix}sitemeta table. The meta key is site_admins, and it’s a serialized PHP array of usernames.