Spent the weekend a bit under the weather so I decided to take a crack at centralized administration to multiple Drupal sites. The task is in internal BETA and the documentation is pre-Alpha (being its incomplete, probably has errors and is otherwise very rough). You can see the notes so far at Drupal configurations. I am pretty pleased with the results, having learned quite a bit about Apache reverse proxies and yet more about some Drupal internals.

If during the upgrade to int_meta-6.x-1.0-beta2 you encounter:

user warning: You have an error in your SQL syntax;
check the manual that corresponds to your MySQL server version for the right syntax
to use near 'NOT NULL' at line 1 query:
   ALTER TABLE int_meta_fields ALTER combine SET NOT NULL ... 

Enter the following query into mySQL using whatever tool is available to you (I use the command line MySQL utility). ... Click to read more