[Mediawiki-l] Multiple wikis sharing single database and same database prefix

[Thomas Dalton]

> I thought it was possible to set certain namespaces to be only
> viewable by certain usergroups (I've no idea how to do it, but I
> thought it was possible). If that's so, you wouldn't need two
> instances of MediaWiki at all.

Try this: http://meta.wikimedia.org/wiki/Preventing_Access#Setting_permissions_for_a_Group_on_a_whole_new_Namespace