Shulou(Shulou.com)06/01 Report--

Because I often switch between centos6 and centos7 systems, I feel that the network card name of centos7 is too long and inconvenient, so I want to make it the same as 6.

If you want to change the name of the network card to the same eth0,eth2 as 6, do the following

1.#cd / etc/sysconfig

two。 Add the following sentence to the longest line

# vim grub

Net.ifnames=0 biosdevname=0

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

4. Rename the original network card name

# cd / etc/sysconfig/network-scripts

# mv ifcfg-enoXXXXXXXX ifcfg-eth0

5. Change the name of NAME,DEVICE in ifcfg-eth0 to eth0.

NAME=eth0

DEVICE=eth0

6.reboot and check to find that it has become the eth0 we want

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