40 Change Domain Name In Debian Update

The etc resolv conf is the main configuration file for the dns name resolver library.

Change domain name in debian. Change hostname on debian 10 linux. Change the domain and fqdn in the second line in the hosts file. I have a suse box too.

Now a hostname d should give somewhere co uk as an answer. How to set domain name in debian. Open the etc hostname to change the hostname.

The resolver is a set of functions in the c library that provide access to the internet domain name system dns the functions are configured to check entries in the etc hosts file or several dns name servers or to use the host s database of network information service nis. Hostnamectl set hostname server1 edit the file etc hosts and update entries. A similar question has been asked on serverfault.

Open the etc hosts to change the domain name and fqdn. It is recommended to use a fully qualified domain name fqdn as the system hostname. For setting the domain name in debian you can edit etc hostname for a host hulefu in domain somewhere co uk you simply set etc hostname to hulefu somewhere co uk this should work for most other linux distributions too.

Login to your server. To set the hostname to server1 run. Vi etc hosts verify it by running the hostnamectl command again.

Ssh user server name become a root user using either sudo s or su. You can check the fqdn using hostname fqdn or the domain name using dnsdomainname. You shouldn t set the same hostname on two different machines on a same network.