Linux Static IP Configuration

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如题：如何给Linux系统设置静态IP地址

1. Centos OS 6.5
   vi /etc/sysconfig/network-scripts/ifcfg-<interface_alias_name>  
   默认修改：/etc/sysconfig/network-scripts/ifcfg-eth0
   
   File: /etc/sysconfig/network-scripts/ifcfg-eth0
   
   

   # Configuration for eth0
   DEVICE=eth0
   BOOTPROTO=none
   
   # This line ensures that the interface will be brought up during boot.
   ONBOOT=yes
   # eth0 - This is the main IP address that will be used for most outbound connections.
   # The address, netmask, and gateway are all necessary.
   IPADDR=192.168.100.5
   NETMASK=255.255.255.0
   GATEWAY=198.168.100.1

   eth0 Code

   File: /etc/sysconfig/network-scripts/ifcfg-eth0:0

   

   # Configuration for eth0:0
   DEVICE=eth0:0
   BOOTPROTO=none
   
   # This line ensures that the interface will be brought up during boot.
   ONBOOT=yes
   
   # eth0:0
   IPADDR=192.0.2.6
   NETMASK=255.255.255.0

   eth0:0 Code

   File: /etc/sysconfig/network-scripts/ifcfg-eth0:1

   

   # Configuration for eth0:1
   DEVICE=eth0:1
   BOOTPROTO=none
   
   # This line ensures that the interface will be brought up during boot.
   ONBOOT=yes
   
   # eth0:1
   # This is a private IP address. Private IPs do not have a gateway (they are not publicly routable).
   # All you need to specify is the address and netmask
   IPADDR=192.168.133.234
   NETMASK=255.255.128.0

   eth0:1 Code

   service network restart

2. Centos 7
   Centos 7 不再使用"Network"服务, 你必须创建/etc/sysconfig/network-scripts/ifcfg-eth0文件
   File: /etc/sysconfig/network-scripts/ifcfg-eth0 
   

   DEVICE="eth0"
   HWADDR="00:21:70:10:7E:CD"
   NM_CONTROLLED="no"
   ONBOOT="yes"
   BOOTPROTO=static
   # BOOTPROTO=dhcp
   IPADDR=192.168.1.106
   NETMASK=255.255.255.0
   #
   #   the GATEWAY is sometimes in: /etc/sysconfig/network
   GATEWAY=192.168.1.1

   sample ‘static assignment‘ configuration Code

Linux Static IP Configuration

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原文地址：http://www.cnblogs.com/Mrhuangrui/p/4579290.html