centos 网络配置
1. /etc/sysconfig/network-scripts/ifcfg-ethO 修改

DEVICE=eth0
BOOTPROTO=none
HWADDR=B8:AC:6F:30:B9:CC
ONBOOT=yes
NETMASK=255.255.255.0
IPADDR=192.168.68.10
GATEWAY=192.168.68.254
TYPE=Ethernet
USERCTL=yes
IPV6INIT=no
PEERDNS=yes

2 /etc/init.d/network restart