A. Edit the profile name of the NIC card information
vim / etc / sysconfig / Network-scripts / ens33 the ifcfg-
NAME = 0 = eth0 --- net.ifnames
the DEVICE = eth0 --- biosdevname = 0
II. Rename the NIC configuration file name information
mv ifcfg-ens33 ifcfg-eth0
III. Modify the name card rule kernel file
/ etc / default / grub
net.ifnames = 0 biosdevname = 0 "to the variable GRUB_CMDLINE_LINUX
IV. The system to reload the grub configuration file
grub2-mkconfig -o /boot/grub2/grub.cfg