NameVirtualHost 10.6.6.6:80
<VirtualHost 10.6.6.6:80>
ServerName my-sub-domain.my-domain.tld
DocumentRoot /websites/my-sub-domain/public_html
ErrorLog /var/log/httpd/my-sub-domain_error_log
CustomLog /var/log/httpd/my_sub_domain_access_log common
</VirtualHost>