#/bin/sh
#modify the grub.cfg to prevent nic consistent network  renameing
grep -E -q "net.ifnames=0" /etc/sysconfig/grub  || sed -i '/^GRUB_CMDLINE_LINUX=.*/{s/"$/ net.ifnames=0"/}' /etc/sysconfig/grub
grep -E -q "net.ifnames=0" /etc/default/grub || sed -i '/^GRUB_CMDLINE_LINUX=.*/{s/"$/ net.ifnames=0"/}' /etc/default/grub
grub2-mkconfig -o /boot/grub2/grub.cfg