80 Linux Change Domain Name Debian New

If you want to set domain name be sure set fqdn fully qualyfied domain name.
Linux change domain name debian. In this tutorial you will learn how to change your hostname on debian linux. Login to your server. You shouldn t set the same hostname on two different machines on a same network.
Ronny 7 years ago 1 min read. H ow do i change the hostname of a debian linux system permanently using the command line tools. 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. 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. Ssh user server name become a root user using either sudo s or su.
When you access the host foo the application will try foo localdomain or whatever you ve. You can use the hostname command to display or set the debian linux system s host name. Debian change hostname domain or fqdn permanently.
Change the domain and fqdn in the second line in the hosts file. 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. The etc resolv conf is the main configuration file for the dns name resolver library.
A similar question has been asked on serverfault. For a single machine having a domain name recorded is pretty much useless. Where can i set the local hostname and domain name of my server.