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I use VMware to Install Ubuntu 10.04. After cloning an Ubuntu virtual machine,then missing network. Detail as

  • The ifconfig command does not show the network interface

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and clone Ubuntu virtual machine

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How to fix no network after cloning an Ubuntu VM?

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up vote 1 down vote accepted

I found the answer in Remove the file /etc/udev/rules.d/70-persistent-net.rules. And Ubuntu will regenerate new file.

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As per the previous comment udev will cache the MAC address associated with each interface.

If you remove the file /etc/udev/rules.d/70-persistent-net.rules, and reboot, you'll find the interface will come up as eth0 and be configured appropriately.

Right now you'll probably find it as eth1 instead. So your configuration in /etc/network/interfaces will be ignored.

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More on your answer – Nam G VU Jun 11 '12 at 9:14

when cloning virtualmachines, interface name may change to avoid hardware conflicts. Type

ifconfig -a

to list all available network devices, make the necessary changes (obviously the interface name) on your /etc/network/interfaces and bring it up

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