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  • Linux Guide
    • Fresh Installed Centos 7
    • Changing Network Interfaces in Centos 7
    • Lockdown SSH
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  • Windows Guide
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    • WEB Port IPtables Rate Limit
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    • Compiling Extra PHP version (Directadmin)
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    • HTTP Basic Virtual Host
    • Update Kernel for DRBD Hosts
  • Migration Related
    • Cpanel -> Cpanel (Bulk)
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  1. Linux Guide

Changing Network Interfaces in Centos 7

Network Interfaces

I would want to share how you can change the Network Interfaces Name in Centos 7 machines.

First you need to edit file as below :

vi /etc/default/grub

You may add "net.ifnames=0 in GRUB_CMDLINE_LINUX" variable as below. 

GRUB_CMDLINE_LINUX="crashkernel=auto rhgb quiet net.ifnames=0"

Then rebuild the grub to apply the name on boot.

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

Next, you may now rename the network interface that suits your preferences

cd /etc/sysconfig/network-scripts; mv ifcfg-ens32 ifcfg-eth0

When editing the network-interface, remember to also change the value of DEVICE and NAME, then reboot the server.

init 6

After reboot, use command "ifconfig" to verify whether the Network Interface name are changed.

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Last updated 6 years ago

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