linux 下修改ip地址为静态ip地址

1. 修改 /etc/sysconfig/network-scripts/ifcfg-eth0 文件

DEVICE="eth0"

BOOTPROTO="static"   #原值为dhcp

HWADDR="00:0c:29:ba:18:25"

IPV6INIT="yes"

NM_CONTROLLED="yes"

ONBOOT="yes"

TYPE="Ethernet"

#以下是修改为静态时需要加

IPADDR=192.168.71.132

GATEWAY=192.168.0.1

NETMASK=255.255.255.0

DNS1=202.106.195.68

DNS2=202.106.0.20

2. 重启网络 : /etc/init.d/network restart  或者 service
network restart 

ps 遇到的问题 

重启网络重启不了  原因：GATEWAY: command not found /etc/sysconfig/network-scripts/ifcfg-eth0: line 15: GATEWAY: command not found Device eth0 does not seem to be present, delaying initialization.

解决办法：

打开/etc/udev/rules.d/70-persistent-net.rules内容如下面例子所示：

# vi /etc/udev/rules.d/70-persistent-net.rules

# This file was automatically generated by the /lib/udev/write_net_rules

# program, run by the persistent-net-generator.rules rules file.

#

# You can modify it, as long as you keep each rule on a single

# line, and change only the value of the NAME= key.

# PCI device 0x1022:0x2000 (pcnet32)

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:0c:29:8f:89:9

7", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"

# PCI device 0x1022:0x2000 (pcnet32)

SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:0c:29:50:bd:1

7", ATTR{type}=="1", KERNEL=="eth*", NAME="eth1"

记录下，eth1网卡的mac地址00:0c:29:50:bd:17

接下来，打开/etc/sysconfig/network-scripts/ifcfg-eth0

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

将 DEVICE="eth0"  改成  DEVICE="eth1"  ,

将 HWADDR="00:0c:29:8f:89:97" 改成上面的mac地址  HWADDR="00:0c:29:50:bd:17"

最后，重启网络

# service network restart

或者

# /etc/init.d/network restart