Host multiple separate websites on the same Radiant installation each with their own users, pages, snippets and layouts (soon to be supporting other extensions).
Administer users and sites from any domain using your administrative accounts and manage website content by logging into each domain.

• Not compatible with the multi_site extension
• Uses the scoped_access plugin, make sure none of your extensions have a conflicting version of the plugin.
• Hooks into the Radiant 'bootstrap' functionality and currently overwrites the standard templates with a modified version of the Simple Blog (i.e. no Styled Blog or Coffee template)

The New way:

gem install radiant-vhost-extension
# add the following line to your config/environment.rb: config.gem 'radiant-vhost-extension', :lib => false
rake radiant:extensions:update_all
rake radiant:extensions:vhost:install

The old way:

git clone git://github.com/saturnflyer/radiant-vhost-extension.git vendor/extensions/vhost
rake radiant:extensions:vhost:update
rake radiant:extensions:vhost:migrate

Vhost support for other extensions is enabled by creating a /config/vhost.yml file containing the names of the models that should be scoped down per site. If site scoping for an extension cannot be specified through the model (i.e. it uses the file system to present data or otherwise doesn't use an ActiveRecord) then currently you cannot enable site scoping.

Example vhost.yml:

models:
 # Class name
 ManagedFile: 
   # Property requiring definition of validates_uniqueness_of
   filename: 
     # Parameters to pass to validates_uniqueness_of
     scope: 
       - site_id
     message:
       'file name is already in use'
   # Any classes used in Single Table Inheritance(STI)
   sti_classes:
     - OneClass
     - TwoClass