http://cacodaemon.de/index.php?id=16

vhost.cfg

<VirtualHost *:80>
        ServerAdmin webmaster@localhost
	ServerName phpzend
        DocumentRoot /var/www/zend/public
        <Directory />
 		Options Indexes FollowSymLinks MultiViews
                AllowOverride All
                Order allow,deny
                allow from all
        </Directory>
        ErrorLog ${APACHE_LOG_DIR}/error.log
        LogLevel warn
</VirtualHost>

<VirtualHost *:80>
        ServerAdmin webmaster@localhost
        ServerName phpplain
        DocumentRoot /var/www/phpplain
        <Directory />
                Options Indexes FollowSymLinks MultiViews
                AllowOverride All
                Order allow,deny
                allow from all
        </Directory>
        ErrorLog ${APACHE_LOG_DIR}/error.log
        LogLevel warn
</VirtualHost>

<VirtualHost *:80>
        ServerAdmin webmaster@localhost
	ServerName dotnet
	MonoApplications dotnet "/:/var/www/dotnet"

        <Directory />
		Options Indexes FollowSymLinks MultiViews
                AllowOverride All
                Order allow,deny
                Allow from all
                SetHandler mono
		MonoSetServerAlias dotnet
        	MonoSetServerAlias dotnet
	</Directory>
        ErrorLog ${APACHE_LOG_DIR}/error.log
        LogLevel warn
</VirtualHost>