Comment 1 for bug 388060

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Twisted Lincoln, Inc. (twistedlincoln) wrote : Re: netboot insall of live cd results in a manual network interface configuration

I can confirm this. When installing via PXE boot using a Karmic Desktop Install CD, the installed system does not properly connect to the network automatically the way the live environment did. Running "sudo dhclient" gets an address, and it then connects fine, but when you reboot it is back to the improper configuration.

Removing:

auto eth0
iface eth0 inet manual

from /etc/network/interfaces and rebooting solves the problem. Deleting the file also seems to work, though it isn't regenerated after doing so. This seems in keeping with what I've read suggesting that Network Manager doesn't need this file anymore (though perhaps it uses it if it is there?).

In any case, this should be fixed, as it poses a significant barrier towards network based installs using the livecd.