linux网卡名称修改

vim /etc/sysconfig/grub ,在倒数第二行添加如下代码

net.ifnames=0 biosdevname=0

GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)"
GRUB_DEFAULT=saved
GRUB_DISABLE_SUBMENU=true
GRUB_TERMINAL_OUTPUT="console"
GRUB_CMDLINE_LINUX="crashkernel=auto rd.lvm.lv=centos/root rd.lvm.lv=centos/swap rhgb quiet net.ifnames=0 biosdevname=0"
GRUB_DISABLE_RECOVERY="true"

执行命令 grub2-mkconfig -o /boot/grub2/grub.cfg

grub2-mkconfig -o /boot/grub2/grub.cfg

[root@centos2 /etc/sysconfig]grub2-mkconfig  -o /boot/grub2/grub.cfg
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-3.10.0-957.27.2.el7.x86_64
Found initrd image: /boot/initramfs-3.10.0-957.27.2.el7.x86_64.img
Found linux image: /boot/vmlinuz-3.10.0-862.el7.x86_64
Found initrd image: /boot/initramfs-3.10.0-862.el7.x86_64.img
Found linux image: /boot/vmlinuz-0-rescue-e1b070e76db146fbb48e981539ac34c6
Found initrd image: /boot/initramfs-0-rescue-e1b070e76db146fbb48e981539ac34c6.img
done

重命名网卡名称

mv ifcfg-ens33 ifcfg-eth0
vim ifcfg-eth0 DEVICE改为eth0

重启服务器查看网卡名称是否改变