Thank you for this! I was going crazy trying to figure out how to get "eth0" back. Works perfect.

yum install net-tools is also a must

I think I've spent the first dozen hours with centos 7.0 just trying to get it to behave more like 6.5

Having to remember to run a script every time I edit grub configuration is annoying as hell too.

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

I mean that is so natural and easy to remember, lol - I had to make "update-grub" (like debian) an alias for it