[dywang@deyu ~]$ ssh root@192.168.122.8 root@k192.168.122.8's password: Last login: Mon Sep 19 10:51:26 2016 from deyu.wang [root@999999 ~]#
[root@999999 ~]# hostname 999999
[root@999999 ~]# hostnamectl set-hostname kvm8.deyu.wang
[root@999999 ~]# hostname kvm8.deyu.wang
[root@999999 ~]# hostnamectl status Static hostname: kvm8.deyu.wang Icon name: computer-vm Chassis: vm Machine ID: 25c85e60dd87ff6e80d795b6a828e0ec Boot ID: 4682a4e4a5014ed7b14c92f870b8882d Virtualization: kvm Operating System: ://www.centos.org/CentOS Linux 8 KVM8rchitecture: x86_64 \end{myPE OS Name: cpe:/o:centos:centos:8 Kernel: Linux 4.18.0-80.el8.x86_64 Architecture: x86-64