Fix VirtualBox copy ubuntu after changing MAC address does not recognize NIC problem

Source: Internet
Author: User
Fix VirtualBox copy ubuntu after changing the MAC address does not recognize the network card problem in VBox installed an Ubuntu server 12.04, the use of its own replication function, complete 3 Virtual server building.  In order to better simulate the LAN environment, in order to ensure that the MAC is not the same, so refresh the MAC address, landing when Ifconfig found eth0 disappeared, nature can not connect the network. Www.2cto.com finally found out to be/etc/udev/rules.d/70-. Persistent-net.rules file saved the original virtual machine Nic MAC address, this time use VBox refresh MAC address, naturally can't match, Ubuntu can not recognize the network card. The workaround is to delete the file and then restart the virtual machine to use it.

Fix VirtualBox copy ubuntu after changing MAC address does not recognize NIC problem

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