These tools will help in never having to manually add virtual hosts to your Apache server. Well, maybe not ever, but they will be able to create your virtual hosts in most cases.
This is basically the same tool but executed a little differently. There is an excellent post on community.rackspace.com that covers usage. First run this to include all .conf files and create the vhost.d directory in CentOS/RHEL.
Where $DOMAIN is your virtual host you’re trying to create.