How to modify the Linux Nic eth1 to eth0

ifconfig See the IP is not the IP I want, and the first NIC display is also eth1, which is obviously problematic,
Vim/etc/sysconfig/network-script/ifcfg-eth0 See the IP is I set the IP, but the Mac is wrong, see and Ifconfig inside the eth1 is not the same,
Then Vim/etc/udev/rules.d/70-persistent-net.rules see is a eth0 and a eth1, which is obviously wrong, I only have a network card, Eth1 mac and Ifconfig see is the same,

0,vim/etc/udev/rules.d/70-persistent-net.rules to change the name of Eth1 to Eth0, and then the above the eth0 of the deletion, eth1 modified to Eth0
1,vim/etc/hosts [modifying host mappings]
2, vim/etc/sysconfig/network, change hostname , too.
Restarting the reboot is OK,
Ifconfig See is that you set the IP ~ ~

How to modify the Linux Nic eth1 to eth0