The network card may not start after the CentOS virtual machine has moved

After the CentOS virtual machine has moved, the network card may not start.

1.

VI /etc/sysconfig/network-scripts/ Ifcfg-eth0

Ifcfg-eth0 the previous MAC address in the config file, remove the line and restart the NIC

2.

/etc/udev/rules.d/70-persistent-net.rules Restart the machine after deletion

Because this file is bound to the network card and MAC address, so change the network card after the MAC address has changed, so it can not start normally, or directly edit the configuration file inside the network card and MAC address modification by corresponding, but so much trouble, the direct deletion of restart, it will automatically generate a.

The network card may not start after the CentOS virtual machine has moved