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一、命令行配置方式，即时生效

1、配置IP

# ifconfig eth0 192.168.0.20 netmask 255.255.255.0

2、配置GW

# route add default gw 192.168.0.254

3、修改HOST NAME

# hostname fc2

二、修改启动文件

1、配置IP，启动后生效

编辑/etc/sysconfig/network-scripts/ifcfg-eth0
#vi /etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE=eth0
ONBOOT=yes
BOOTPROTO=static
IPADDR=219.136.241.211
NETMASK=255.255.255.128
GATEWAY=219.136.241.254

2、修改网关GW，启动后生效

vi /etc/sysconfig/network

NETWORKING=yes
HOSTNAME=Aaron
GATEWAY=192.168.1.1

3、修改DNS，即时生效

编辑 /etc/resolv.conf
# vi resolv.conf

nameserver 202.96.128.68
nameserver 219.136.241.206

4、重新启动网络

#/etc/init.d/network restart