Ubuntu vhost

<VirtualHost *:80>

 DocumentRoot "/var/www/dev/public_html/webapp/trunk/httpdocs"
 ServerName webapp.dev
 ServerAlias www.webapp.dev *.webapp.dev

 <Directory "/var/www/dev/public_html/webapp/trunk/httpdocs/">
  allow from all
  Options +Indexes
  AllowOverride all
 </Directory>

</VirtualHost>