自动生成linux网卡配置脚本分享
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。
#!/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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