修改CentOS 7网卡名称

CentOS 7默认的网卡名称是eno16777736,让人看上去很是不爽,且一些网卡相关的操做须要输入一长串数字,也是很是不方便。下面,将描述如何将CentOS 7网卡名称改成咱们熟悉的eth0样式。linux


1. 修改grub配置文件

vi /etc/sysconfig/grub

找到GRUB_CMDLINE_LINUX这行,在后面添加net.ifnames=0 biosdevname=0,最终效果以下:ios

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"

紧接着执行以下命令:centos

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

结果以下:bash

Generating grub configuration file ...
Found linux image: /boot/vmlinuz-3.10.0-327.el7.x86_64
Found initrd image: /boot/initramfs-3.10.0-327.el7.x86_64.img
Found linux image: /boot/vmlinuz-0-rescue-960f6a38a735453e95ee6c9d58823cb0
Found initrd image: /boot/initramfs-0-rescue-960f6a38a735453e95ee6c9d58823cb0.img
done

2. 重命名网卡配置文件

mv /etc/sysconfig/network-scripts/ifcfg-eno16777736 ifcfg-eth0

此时,若是须要静态ip,桥接等网络功能,也能够顺便一块儿设置了,此处不表。网络

3. 重启系统

systemctl reboot
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