http://www.cnblogs.com/fighter/archive/2010/03/04/1678007.html

 

修改DNS

[root@localhost network-scripts]# vi /etc/sysconfig/network-scripts/resolv.conf

nameserver 202.98.96.68

nameserver 61.139.2.69

 

重新启动网络配置 　

/etc/init.d/network restart

 

  http://www.cnblogs.com/iixiaowei/articles/2300084.html

网络接口配置文件[root@localhost ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0# Intel Corporation 82545EM Gigabit Ethernet Controller (Copper)TYPE=Ethernet       #网卡类型DEVICE=eth0         #网卡接口名称ONBOOT=yes          #系统启动时是否自动加载BOOTPROTO=static    #启用地址协议 --static:静态协议 --bootp协议 --dhcp协议IPADDR=192.168.1.11      #网卡IP地址NETMASK=255.255.255.0    #网卡网络地址GATEWAY=192.168.1.1      #网卡网关地址DNS1=10.203.104.41       #网卡DNS地址HWADDR=00:0C:29:13:5D:74 #网卡设备MAC地址BROADCAST=192.168.1.255  #网卡广播地址

重新导入ifcfg-eth0网络配置文件[root@localhost ~]# /etc/init.d/network reloadShutting down interface eth0:                             [ OK ]Shutting down loopback interface:                         [ OK ]Bringing up loopback interface:                           [ OK ]Bringing up interface eth0:                               [ OK ]网卡接口关闭与激活[root@localhost ~]# ifdown eth0   #关闭网络[root@localhost ~]# ifup eth0     #启动网络网络服务启动与关闭方法一:[root@localhost ~]# service network stop    #关闭网络服务[root@localhost ~]# service network start   #启动网络服务[root@localhost ~]# service network restart #重启网络服务方法二：[root@localhost ~]# /etc/init.d/network stop[root@localhost ~]# /etc/init.d/network start[root@localhost ~]# /etc/init.d/network restart 网卡状态查询[root@localhost ~]# service network statusConfigured devices:lo eth0Currently active devices:lo eth0

查看当前路由及网关信息[root@localhost ~]# netstat -rKernel IP routing tableDestination     Gateway         Genmask         Flags   MSS Window  irtt Iface192.168.1.0     *               255.255.255.0   U         0 0          0 eth0169.254.0.0     *               255.255.0.0     U         0 0          0 eth0default         192.168.1.1     0.0.0.0         UG        0 0          0 eth0