Web Server Administration: Name Based VH Setup
Name Based VH Setup
NameVirtualHost directive should specify the server IP address
Then each VH is specified within a <VirtualHost> Block:
<VirtualHost webmaster.merrimack.edu>
ServerAdmin webmaster@webmaster.merrimack.edu
DocumentRoot /opt/apache/share/htdocs
ScriptAlias /cgi-bin/ /opt/apache/share/cgi-bin/
ServerName webmaster.merrimack.edu