I Have installed Linux 14.04 lts. I am getting interface device name as em1 and eth0.I want to rename it as eth0 and eth1.
Edit /etc/default/grub and search for the following:
Add biosdevname=0 to the 2 lines:
Finally reboot, after reboot you should find all rules persisted in /etc/udev/rules.d/70-persistent-net.rules