centos固定网卡、网卡名会变、网卡名错乱，解决方法

cd /etc/udev/rules.d/

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

echo "SUBSYSTEM==\"net\", ACTION==\"add\", DRIVERS==\"?*\", ATTR{address}==\"$(ifconfig eth0|grep ether|awk '{print $2}')\", ATTR{type}==\"1\", KERNEL==\"eth*\", NAME=\"eth0\"" >/etc/udev/rules.d/70-persistent-net.rules
echo "SUBSYSTEM==\"net\", ACTION==\"add\", DRIVERS==\"?*\", ATTR{address}==\"$(ifconfig eth1|grep ether|awk '{print $2}')\", ATTR{type}==\"1\", KERNEL==\"eth*\", NAME=\"eth1\"" >>/etc/udev/rules.d/70-persistent-net.rules
echo "SUBSYSTEM==\"net\", ACTION==\"add\", DRIVERS==\"?*\", ATTR{address}==\"$(ifconfig eth2|grep ether|awk '{print $2}')\", ATTR{type}==\"1\", KERNEL==\"eth*\", NAME=\"eth2\"" >>/etc/udev/rules.d/70-persistent-net.rules
echo "SUBSYSTEM==\"net\", ACTION==\"add\", DRIVERS==\"?*\",ATTR{address}==\"$(ifconfig eth3|grep ether|awk '{print $2}')\", ATTR{type}==\"1\", KERNEL==\"eth*\", NAME=\"eth3\"" >>/etc/udev/rules.d/70-persistent-net.rules

vi /etc/default/grub

添加 net.ifnames=0 biosdevname=0 后

:%s/eno1/eth1/g

输入 grub2-mkconfig -o /boot/grub2/grub.cfg 更新内核

reboot 重启看看