CentOS7修改网卡名称为eth开头

Posted 2020-10-27

CentOS-7如何修改网卡名称为eth0

第1章 修改网卡名称为eth开头

1.1 安装系统之前修改网卡名称:

在开始界面按下TAB键,输入:  net.ifnames=0 biosdevname=0   回车即可

1.2 安装好系统后修改网卡名称为eth0

1.2.1 将网卡配置文件中设备名称改为eth开头

[[email protected] ~]# vim /etc/sysconfig/network-scripts/ifcfg-eno16777736

DEVICE=eth0

[[email protected] ~]# vim /etc/sysconfig/network-scripts/ifcfg-eno33554960

DEVICE=eth1

1.2.2 修改网卡配置文件名

[[email protected] ~]# cd /etc/sysconfig/network-scripts/

[[email protected] network-scripts]# mv ifcfg-eno16777736  ifcfg-eth0

[[email protected] network-scripts]# mv ifcfg-eno33554960  ifcfg-eth1

1.2.3 修改grub配置文件:

[[email protected] network-scripts]# vim /etc/default/grub

GRUB_CMDLINE_LINUX="rhgb quiet net.ifnames=0 biosdevname=0"      添加绿色部分

[[email protected] network-scripts]# grub2-mkconfig -o /boot/grub2/grub.cfg

1.2.4 生成新的grub配置和内核参数:

[[email protected] network-scripts]# grub2-mkconfig -o /boot/grub2/grub.cfg

重启机器即可