2. 설정한 네트워크 IP를 적용합니다. 네트워크 IP 설정이 잘 되지 않을 때는 다음 명령어로 재부팅하면 정상적으로 설정됩니다.

root@controller:/etc/network# service networking restart

3. IP가 정상적으로 설정되었는지 ifconfig 명령어로 확인합니다. 가상 서버에서는 NAT 네트워크에 해당하는 enp0s9를 하나 더 확인할 수 있습니다.

root@controller:/etc/network# ifconfig
eth0      Link encap:Ethernet  HWaddr 08:00:27:59:25:a1

          inet addr:192.168.56.101  Bcast:192.168.0.255  Mask:255.255.255.0
          inet6 addr: fe80::a00:27ff:fe59:25a1/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:2924 errors:0 dropped:0 overruns:0 frame:0
          TX packets:402 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:186959 (186.9 KB)  TX bytes:113004 (113.0 KB)

eth1 Link encap:Ethernet HWaddr 08:00:27:3a:72:f2
inet6 addr: fe80::a00:27ff:fe3a:72f2/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:5609 errors:0 dropped:0 overruns:0 frame:0 TX packets:3027 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:489178 (489.1 KB) TX bytes:452842 (452.8 KB)

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:4543 errors:0 dropped:0 overruns:0 frame:0 TX packets:4543 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1 RX bytes:756667 (756.6 KB) TX bytes:756667 (756.6 KB)