I had already changed the WordPress Permalinks to /year/month/post-name/ format.  I wanted additional SEO alignment by updating to  /category/post-name/ [NOTE: the 'category' will be the first/lower one checked for that article if there are more than 1 category used].

To initially make the change, I changed the WordPress Permalink structure to /%category%/%postname%/ using the form field on the following admin page:

http://your.domain.com/worpress/path/wp-admin/options.php

Once I made the change, I could no longer access any post page – they appeared on the main blog page (home page), but when I clicked any post-link, I received a ‘post not found’ error.

THEREFORE, Please Do Not Use the above page to change your WordPress Permalink structure -

DO use the admin dashboard -> Settings -> Permalink page only to change the format of your Permalinks.

Here is a link to the article that will give a very good explanation on what to do if your Permalinks are messed up:

http://wordpress.org/support/topic/plugin-advanced-permalinks-cannot-open-old-posts

Thank you,

Vic

This dev system is an AMD Duron 1.8 GHz with 512MB of RAM  running Fedora Core 9 with the LAMP stack, and Apache  Tomcat5 Java app server.

The one interesting difference is the administrator modules.  Adding content is a breeze in Mambo, with granular control over most content attributes.

• MediaWiki: This is the software that powers Wikipedia. It is powerful, extensible, and is what it claims to be – a wiki engine.   I guess it could be a CMS, but I am debating using this for general site management functionality with so many more powerful CMS platforms to choose from.
• Pros: A very powerful wiki platform that runs on any platform that supports MySQL and PHP.
• Cons: Having to edit the .php file that contains constants to result in changes to the pages.