# don't forget to restart the server each time you edit a .conf file.
::For example, you could create the subdomain/CNAME: address.yourdomain.com for the AddressBook webapp---point that subdomain to: username.yourhda.com---in the AddressBook .conf file add: ServerAlias address.yourdomain.com---restart the server---you are done, enjoy using multiple webapps!
Even if you have a dynamic IP address from your ISP, this can still be done - rather inexpensively. Some [http://en.wikipedia.org/wiki/Dynamic_DNS dynamic DNS] services, like DynDNS, allow for you to create a domain and use something called a [http://en.wikipedia.org/wiki/Wildcard_DNS_record wildcard DNS record]. This acts much like the subdomain created above, but you can literally use anything you want so long as the server is set to answer to the request. Below, we'll outline the basic steps needed to accomplish this.