[GRLUG] "network is unreachable"

[Bob Kline]

On Thu, Feb 11, 2010 at 2:56 PM, <donlumber at comcast.net> wrote:

>
>
> Sure haven't.  Never heard of it.
>
> What would that do?
>
>    -- Bob
>
>
>
> This explains it the best
>
> For those of you who may wish to build an ubuntu system with the hard-drive
> in one machine, then move it to another (it works rather well, actually), or
> if you simply want to manipulate how your network interfaces show up....
> Instead of the "iftab" file which identifies which MAC address should be
> which interface... ubuntu recently modified this to place the setup directly
> into a udev config file... /etc/udev/rules.d/70-persistent-net.rules It's
> pretty self-explanatory once you look at it for a sec. Notice that the
> original machine's NICs are mentioned first. The current machine's NICs were
> then mentioned as different interfaces. I commented out the originals, and
> changed the existing NICs to the names I expect...
>
> Whenever I create a VM from a base ubuntu image that we have here I have to
> remove this file as it still stores the original machine's NIC hardware id
> and possibly the driver module. When I remove it, it gets rewritten with the
> proper one upon a reboot. I don't know what you did but I'm guessing either
> changed NICs, changed driver or something?
>
> Remove that file and give it a shot.
>
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Thanks.  Will do.

    -- Bob
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