nmcli general hostname
-- hostnamectl status --static
[root@vm ~]# nmcli general hostname
vm

[root@vm ~]# hostnamectl status --static
vm


nmcli general hostname <새 호스트명>
-- hostnamectl set-hostname <새 호스트명>
[root@vm ~]# nmcli general hostname ora23ai

[root@vm ~]# hostnamectl set-hostname ora23ai


nmcli general hostname
-- hostnamectl status --static
-- cat /etc/hostname
[root@vm ~]# nmcli general hostname
ora23ai

[root@vm ~]# hostnamectl status --static
ora23ai

[root@vm ~]# cat /etc/hostname
ora23ai


reboot
[root@vm ~]# reboot