From the course: Ubuntu Linux: Network Administration
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Configure an authoritative name server
From the course: Ubuntu Linux: Network Administration
Configure an authoritative name server
- [Instructor] When we communicate with a server on the internet or on our network, the communication happens using IP addresses, numeric designations that the IP protocol uses to transmit and route data, but IP addresses aren't terribly human friendly to remember and type, and sometimes, more than one server might handle a given service, so luckily, there's a system to associate human readable names with the IP addresses. This is called DNS, or Domain Name System The system can work at various levels. At the smallest level, we can set up a hosts file on our computer that provides a manual association between a name and an IP address, and Linux systems use a tool called DNS mask to act as a local DNS resolver, and while it's okay to maintain on one system, it can get pretty tedious to maintain across many systems in an organization. For a local or organizational network, we can configure a name server like BIND, or Berkeley Internet Name Domain, to keep track of the names of resources…
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