CentOS 7.2修改网卡名称

Posted 2020-09-19 Keep Moving

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#!/bin/bash
#Centos7.2修改网卡名称ens33为eth0
#2017/05/19


if [ -f /etc/sysconfig/grub ];then
	cp /etc/sysconfig/grub ./grub.conf
	sed -i ‘/GRUB_CMDLINE_LINUX/s/"$/ net.ifnames=0 biosdevname=0&/‘ ./grub.conf
	cat grub.conf > /etc/sysconfig/grub
	rm -f grub.conf
fi

if [ $? == 0 ];then
	grub2-mkconfig -o /boot/grub2/grub.cfg
else
	exit 1
fi
sleep 1
mv /etc/sysconfig/network-scripts/ifcfg-ens33 /etc/sysconfig/network-scripts/ifcfg-eth0
if [ -f /etc/sysconfig/network-scripts/ifcfg-eth0 ];then
	sed -i ‘/^NAME/s/.*/NAME=eth0/;/^DEVICE/s/.*/DEVICE=eth0/‘ /etc/sysconfig/network-scripts/ifcfg-eth0
else
	exit 1
fi
[ $? == 0 ] && reboot || exit 1

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