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linux网卡配置 自动生成linux网卡配置脚本分享

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想了解自动生成linux网卡配置脚本讲解的相关内容吗,在本文为您仔细讲解linux网卡配置的相关知识和一些Code实例,欢迎阅读和指正,我们先划重点:linux,网卡配置,下面大家一起来学习吧。

补充:这是对于第一次添加的网卡有效,如果需要重复添加和删除后自动配置,需要更改脚本,改为根据ip a命令的信息来修改。

复制代码 代码如下:

#!/bin/bash
#update:2013-02-25
#author:ihuotui
#version 0.1

cdate=$(date '+%Y%m%d')
num=$(ifconfig -a | grep eth | wc -l)
echo "ethX=" $num >> ethX

for ((n=1;n<${num};n++))
    do

       if [ -e /etc/sysconfig/network-scripts/ifcfg-eth${n} ] ; then

           sed -i '/HWADDR/d' /etc/sysconfig/network-scripts/ifcfg-eth${n}
           ifconfig -a | grep "eth${n}" | awk '{print "HWADDR=\""$5"\""}' >> /etc/sysconfig/network-scripts/ifcfg-eth${n}   

      else

           touch /etc/sysconfig/network-scripts/ifcfg-eth${n}
           ifconfig -a | grep "eth${n}" | awk '{print "HWADDR=\""$5"\""}' >> /etc/sysconfig/network-scripts/ifcfg-eth${n}
           echo NM_CONTROLLED="\"yes\"" >> /etc/sysconfig/network-scripts/ifcfg-eth${n}
           echo ONBOOT="\"yes\"" >> /etc/sysconfig/network-scripts/ifcfg-eth${n}
           echo TYPE="\"Ethernet\"" >> /etc/sysconfig/network-scripts/ifcfg-eth${n}
           echo BOOTPROTO="\"dhcp\"" >> /etc/sysconfig/network-scripts/ifcfg-eth${n}
           echo UUID="\"2460e474-fad8-4b46-baba-da6f45ae158"${n}"\"" >> /etc/sysconfig/network-scripts/ifcfg-eth${n}
           echo DEVICE="\"eth"${n}"\"" >> /etc/sysconfig/network-scripts/ifcfg-eth${n}

           continue
       fi
    done

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