How to change the network card name to eth0 in Linux

Method: 1. Rename the network card configuration file name to eth0; 2. Use the vi command to change the NAME parameter in the network card file to eth0; 3. Disable the network card naming rule; 4. Add udev network card rules; 5. Use the "grub2-mkconfig" command to update the grub configuration parameters; 6. Restart the system.

#The operating environment of this tutorial: linux7.3 system, Dell G3 computer.

How to change the network card name to eth0 in Linux

Method/steps:

1. First rename the network card configuration file name to eth0:

cd /etc/sysconfig/network-scripts/
mv ifcfg-eno1677736 ifcfg-eth0

2. Secondly edit the modified network card file: vi ifcfg-eth0

Change the NAME parameter to the same name as the network card file: NAME=eth0

3. Next disable the network card naming rule.

This function is controlled through the /etc/default/grub file. To disable this function, add "net.ifnames=0 biosdevname=0" to the file.

vim /etc/default/grub；
GRUB_CMDLINE_LINUX="rd.lvm.lv=rhel/root crashkernel=auto  rd.lvm.lv=rhel/swap vconsole.font=latarcyrheb-sun16 vconsole.keymap=us net.ifnames=0 biosdevname=0 rhgb quiet"

4. Add udev network card rules

Create a network card rule 70-persistent-net.rules file in the /etc/udev/rules.d directory.

vim /etc/udev/rules.d/70-persistent-net.rules；

Write the following parameters in the file:

SUBSYSTEM=="net",ACTION=="add",DRIVERS=="?*",ATTR{address}=="需要修改名称的网卡MAC地址",ATTR｛type｝=="1" ,KERNEL=="eth*",NAME="eth0"

5. Execute grub2-mkconfig -o /boot/grub2/grub.cfg command to generate updated grub configuration parameters.

6. Reboot restarts the system and the verification is successful

Related recommendations: "Linux Video Tutorial"

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