vboxmanage clonemedium RAC1.vdi RAC2.vdi 

 

 

 

 

 

 

 

gnome-control-center

 

 

 

 

 

 

 

 

ip addr show
vi /etc/sysconfig/network-scripts/ifcfg-<public 인터페이스명>
# IPADDR=XXX.XXX.XXX.XXX 부분 변경
vi /etc/sysconfig/network-scripts/ifcfg-<private 인터페이스명>
# IPADDR=XXX.XXX.XXX.XXX 부분 변경
systemctl restart network
ip addr show
[root@rac1 ~]# ip addr show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: enp0s3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 08:00:27:52:7a:97 brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.111/24 brd 192.168.0.255 scope global enp0s3
       valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fed5:5e2e/64 scope link
       valid_lft forever preferred_lft forever
3: enp0s8: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 08:00:27:fc:0d:d8 brd ff:ff:ff:ff:ff:ff
    inet 192.168.5.111/24 brd 192.168.5.255 scope global enp0s8
       valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fed5:5e38/64 scope link
       valid_lft forever preferred_lft forever
[root@rac1 ~]# vi /etc/sysconfig/network-scripts/ifcfg-enp0s3
...
IPADDR=192.168.0.112
...

 
[root@rac1 ~]# vi /etc/sysconfig/network-scripts/ifcfg-enp0s8
...
IPADDR=192.168.5.112
...
[root@rac1 ~]# ip addr show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: enp0s3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 08:00:27:52:7a:97 brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.112/24 brd 192.168.0.255 scope global enp0s3
       valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fed5:5e2e/64 scope link
       valid_lft forever preferred_lft forever
3: enp0s8: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 00:0c:29:d5:5e:38 brd ff:ff:ff:ff:ff:ff
    inet 192.168.5.112/24 brd 192.168.5.255 scope global enp0s8
       valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fed5:5e38/64 scope link
       valid_lft forever preferred_lft forever

 

hostnamectl status
hostnamectl set-hostname rac2
hostnamectl status
[root@rac1 ~]# hostnamectl status
   Static hostname: rac1
         Icon name: computer-vm
           Chassis: vm
        Machine ID: 6e0c8926c41e4a20a84865657d99c26a
           Boot ID: 7850cbb5f1d448c5979582672ff7490a
    Virtualization: kvm
  Operating System: Oracle Linux Server 7.3
       CPE OS Name: cpe:/o:oracle:linux:7:3:server
            Kernel: Linux 4.1.12-61.1.18.el7uek.x86_64
      Architecture: x86-64

[root@rac1 ~]# hostnamectl set-hostname rac2

[root@rac1 ~]# hostnamectl status
   Static hostname: rac2
         Icon name: computer-vm
           Chassis: vm
        Machine ID: 6e0c8926c41e4a20a84865657d99c26a
           Boot ID: 7850cbb5f1d448c5979582672ff7490a
    Virtualization: kvm
  Operating System: Oracle Linux Server 7.3
       CPE OS Name: cpe:/o:oracle:linux:7:3:server
            Kernel: Linux 4.1.12-61.1.18.el7uek.x86_64
      Architecture: x86-64

 

systemctl set-default multi-user.target
[root@rac2 ~]# systemctl set-default multi-user.target
Removed symlink /etc/systemd/system/default.target.
Created symlink from /etc/systemd/system/default.target to /usr/lib/systemd/system/multi-user.target.