NameVirtualHost *

<VirtualHost *>
    ServerName tux.org
    DocumentRoot /var/www/bla/
    ErrorLog /var/log/apache2/site2-error.log
    CustomLog /var/log/apache2/site2-access.log combined
</VirtualHost>
<VirtualHost *>
    ServerName tux1.org
    DocumentRoot /var/www/
    ErrorLog /var/log/apache2/site2-error.log
    CustomLog /var/log/apache2/site2-access.log combined
</VirtualHost>