VM克隆CentOS后设置IP

Remove the kernel’s networking interface rules file so that it can be regenerated
# rm -f /etc/udev/rules.d/70-persistent-net.rules

Restart the VM
# reboot

UPDATE your interface configuration file
# vi /etc/sysconfig/network-scripts/ifcfg-eth0
Remove the MACADDR entry or update it to the new MACADDR for the interface (listed in this file: /etc/udev/rules.d/70-persistent-net.rules).
Remove the UUID entry
Save and exit the file

Restart the networking service
# service network restart

Modify hostname
# vi /etc/sysconfig/network
# vi /etc/hosts

change the value of "localhost.localdomain"