Set Domain Name In Linux. In order to change or set a CentOS 78 machine hostname use the hostnamectl command as shown in the below command excerpt. Domainname -a or alias.
First thing to be done is add FQDN to your hostname in etchosts file. The Linode manager presents you with a form that we need to fill out. CentOS Linux 56 Change Hostname Command.
If needed you can create a Linux or Windows VM in the portal.
Configure domain name in Ubuntu Edit your hostname not FQDN in etchostname file. As the hostname is stored in the etchostname file we can change the hostname by editing this file. How to setup FQDN in Linux. If needed you can create a Linux or Windows VM in the portal.