We now have a domain name and a VPS, so it's time to associate them with each other. But first, we need to briefly explain how the DNS works.
The job of the DNS is to resolve fully qualified domain names (FQDNs) into IP addresses. When you type a URL in your browser, your computer would first look to resolve the IP locally by checking your /etc/hosts file. If it can't find it, it will pass the request on to a resolving nameserver, which ...