IP地址、子网掩码：
vim /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
BOOTPROTO=static
ONBOOT=yes
HWADDR=00:0c:29:3e:cd:97 #硬件ID不可修改
NETMASK=255.255.255.0
IPADDR=10.10.252.178
NETWORK=10.10.252.0
网关：
vim /etc/sysconfig/network
NETWORKING=yes
NETWORKING_IPV6=no
HOSTNAME=localhost.localdomain
GATEWAY=10.10.252.1
DNS：
vim /etc/resolv.conf
nameserver 219.232.48.61
nameserver 8.8.4.4
search localdomain