Как создать поддомен на сервере apache?

ServerName www.domain.com
ServerAlias domain.com *.domain.com
ServerSignature Off
RewriteEngine on
RewriteCond %{HTTP_HOST} ^domain\.com [NC]
RewriteRule ^/(.*) www.domain.com/$1 [L,R]

VirtualDocumentRoot /usr/local/www/domain/%0
ErrorLog /var/log/domain.com/error.log
CustomLog /var/log/domain.com/access.log combined
ServerSignature On
Options FollowSymLinks Includes MultiViews ExecCGI
UseCanonicalName Off