vi /etc/sysconfig/network-scripts/ifcfg-eth0
动态：
DEVICE=eth0
BOOTPROTO=dhcp
HWADDR=00:0C:29:A2:5C:3F
ONBOOT=yes
TYPE=Ethernet

静态：
DEVICE=eth0
BOOTPROTO=static
IPADDR=192.168.0.124
NETMASK=255.255.255.0
GATEWAY=192.168.0.1
HWADDR=00:0C:29:A2:5C:3F
ONBOOT=yes
TYPE=Ethernet

重启，使生效
service network restart

[@more@]