linux更改网卡IP地址、网关、DNS(转)

若网卡eth0   IP修改为 122.168.0.1   
ifconfig eth0 122.168.0.1 netmask 255.255.255.0

网关修改为 122.168.0.1
route add default gw 122.168.0.1

修改DNS
echo "nameserver 219.150.32.132 ">> /etc/resolv.conf

重启网络服务
/etc/rc.d/init.d/network restart