40 Domain Name List Linux Update

This command will return the following information.

Domain name list linux. See the warnings in the fqdn section and avoid using this option if at all possible f fqdn long. Find out the domain name associated with an ip number in unix. It is not possible to set the fqdn or the dns domain name with the dnsdomainname command see the fqdn below.

First of all check if your server is having domain name already set up or not using below command. At the unix shell prompt enter nslookup followed by the ip address for example. Please note that you must have properly configured dns server to work fqdn based hostname.

When called with one argument or with the file option the commands set the host name the nis yp domain name or the node name. List of linux troubleshooting commands tools part 1. Note that only the super user can change the names.

Type following command and click on dns tab setup hostname and domain name. Don t use the command domainname to get the dns domain name because it shows the nis domain name and not the dns domain name. A both linux unix comes with the following utilities to display hostname domain name.

When you use redhat base systems linux uses etc sysconfig network file and you should set variable hostname to fqdn when you use fqdn linux itself determines domain name. Display the name of the dns domain. A hostname show or set the system s host name b domainname show or set the system s nis yp domain name c dnsdomainname show the system s dns domain name d nisdomainname show or set system s nis yp domain name e ypdomainname show or set the system s nis yp domain name.

Show the ubuntu system s dns domain name dnsdomainname please note that if etc hostname file does not exist on ubuntu linux the host name is set by a reverse dns query when the network interface gets an ip address assigned. Display the fqdn fully qualified. See how to configure linux as a dns client.