localhost.localdomain. This hostname will be shown on various services your new server will offer as well a it will be show on your command prompt such us: [root@localhost ~]#To change your hostname simply edit
vi /etc/hostname file and inlcude name of your host.For example to change hostname to "rhel7" the
/etc/hostname file will contain: # cat /etc/hostname rhel7
To update your command prompt simply re-login and to apply this change system wide execute:
# systemctl restart systemd-hostnamed
