80 Linux Domain Name Configuration Update

It is usually the hostname followed by the dns domain name the part after the first dot.

Linux domain name configuration. The dns domain name is the part after the first dot. Domain name server dns configuration and administration. It performs exceptionally well.

The dns domain name system is a naming system for computers the service that does that is the dns server which translates an ip address to a human readable address this process is the backbone of the internet and a very important service in your server so from that point we will discuss dns server or specifically linux dns server and how to install configure and maintain it. How to setup nameserver in red hat. Nameserver receives hostname or domain name in the query and responds back with ip address.

Local hostname and the domain name of your server defined in text configuration file located in etc directory. You can use hostname hostnamectl command to show or set the system s host name and dnsdomainname command to show the system s dns domain name. Dns domain name system or service is a hierarchical decentralized naming system service that translates domain names into ip addresses on the internet or a private network and a server that provides such a service is called a dns server.

For such a scenario you have to configure the domain name for your linux server. Before running samba tool you must make sure your etc hosts file correctly maps to a fully qualified domain name and the ip address of the dc such as. But the changes are temporary if you use these commands.

Usually the hosts file is parsed before dns or nis so it is most common to change the fqdn in etc hosts. You can check the fqdn using hostname fqdn or the domain name using dnsdomainname. 127 0 0 1 localhost localdomain ip.

It s like a phone directory where you query name and you get phone number. At my place of employment we are using linux as a dns server. You need to open file etc resolv conf in a text editor like vi or nano and add your name server ip in the below format.