I use ubuntu with zend server ce 6.0 do developer some mobiles sites.
To get way FRAPI working in any folder, just simples, map proxy for FRAPI VHOSTS like:
<VirtualHost *:80>
ServerName admin.frapi
DirectoryIndex index.php
ServerAdmin ad...@api.frapi
# This should be omitted in the production environment
SetEnv APPLICATION_ENV development
DocumentRoot /var/www/frapi/src/frapi/admin/public
<Directory /var/www/frapi/src/frapi/admin/public>
AllowOverride All
Order deny,allow
Allow from All
</Directory>
</VirtualHost>
<VirtualHost *:80>
ServerName api.frapi
ServerAdmin ad...@api.frapi
DocumentRoot /var/www/frapi/src/frapi/public
# This should be omitted in the production environment
SetEnv APPLICATION_ENV development
<Directory /var/www/frapi/src/frapi/public>
AllowOverride All
Order deny,allow
Allow from All
</Directory>
</VirtualHost>
Enable mod_proxy in webserver and set ProxyRequests Off to working.