centos | ubuntu | ip |　配置　| 网络
====== centos ======
vim /etc/sysconfig/network-scripts/ifcfg-eth0
<code>
DEVICE=eth0
HWADDR=08:00:27:0f:d7:bb
BOOTPROTO=static
BROADCAST=10.0.2.255
IPADDR=10.0.2.10
NETMASK=255.255.255.0
GATEWAY=10.0.2.1
DNS1=10.0.2.1
DNS2=8.8.8.8
</code>
  * 重启网络
====== ubuntu ======
sudo vim /etc/network/interfaces
<code>
auto eth0
iface eth0 inet static
address 10.0.2.100
netmask 255.255.255.0
gateway 10.0.2.1
broadcast 10.0.2.255
</code>
vim /etc/resolvconf/resolv.conf.d/base
<code>
nameserver 192.168.0.1
nameserver 8.8.8.8
</code>

  * 重启网络。无效就重启系统