# can go in, e.g: /etc/apache2/sites-available/drupal1.conf
<VirtualHost *:80>
ServerName drupal1 #put this in your hosts file
DocumentRoot /home/user/www/drupal1 #drupal root dir
CustomLog /var/log/drupal1-access.log combined
ErrorLog /var/log/drupal1-error.log
php_value memory_limit 32M
</VirtualHost>
in /etc/hosts, add:
127.0.0.1 drupal1