80 Change Fully Qualified Domain Name Linux New

If you use method 2 above run the following command to make the change effective.

Change fully qualified domain name linux. Set the fully qualified domain name fqdn. Set or change fqdn domain name on ubuntu 20 04 focal fossa linux. For changing domainnames the man page recommends the following.

How to set change fqdn on ubuntu 20 04 linux. Run it with the name passed as the first argument for that. The recommended method of setting the fqdn is to make the hostname be an alias for the fully qualified name using host file ie etc hosts dns or nis.

Check the command was successful by typing. If it returns the new hostname you entered the hostname was successfully set. Also see how to verify domain name in linux and fqdn setup in linux.

Edit etc hosts file and enter a new line with the ip address fqdn fully qualified domain name and hostname of the system. The hostname command can be used to set the fully qualified hostname as well. You cannot change the fqdn with hostname or dnsdomainname.

Nixcraft published a tutorial about setting fqdn on ubuntu 20 04. Domain name in linux. This needs its servers to be configured with a domain name.

You can edit etc hostname for permanent changes. To make the change permanent it is necessary to edit the etc hostname file. Many companies have an internal domain for their it infrastructure.