d
hostname data-1-1
vi /etc/sysconfig/network
HOSTNAME=data-1-1
vi /etc/hosts
hostname data-1-2
vi /etc/sysconfig/network
HOSTNAME=data-1-2
d
hostname data-1-1
vi /etc/sysconfig/network
HOSTNAME=data-1-1
vi /etc/hosts
hostname data-1-2
vi /etc/sysconfig/network
HOSTNAME=data-1-2
