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Re: What happened to network devices?



On Tue, Jun 02, 2009 at 09:22:29PM -0400, Miles Fidelman wrote:
> James Youngman wrote:
>> On Sat, May 30, 2009 at 5:30 PM, lee <lee@yun.yagibdah.de> wrote:
>>   
>>> On Fri, May 29, 2009 at 06:40:00PM -0500, Boyd Stephen Smith Jr. wrote:
>>>     
>>>> In <20090529225111.GF1901@cat.rubenette.is-a-geek.com>, lee wrote:
>>>>       
>>>>> Anyway, I'd like to know what happened
>>>>> to /dev/eth0.
>>>>>         
>>>> I've never had a Linux box where /dev/eth0 existed.  That said, I'm only been
>>>> using it as my main OS since the end of 2004.
>>>>       
> for an understanding of how ethernet interfaces work under linux, do a  
> "man interfaces" and nose around in /etc/network

That doesn't tell you where /dev/eth0 is to be found.

> then, just to get more confused, do a "man udev"

That doesn't tell you where it is, either.

> one of the more confusing things is that, under some circumstances, a  
> machine will come up with eth0 assigned to a different physical  
> interface than you were expecting - the default rules try to keep eth0  
> (or ethn) attached to the same mac address - so if you replace an  
> ethernet card, or move cards around, you can find that you no longer  
> have a network connection (I discovered this the hard way when  
> recovering from a badly crashed server)

It always turned eth0 into eth1 for me, extremely annoying. I know,
udev is seriously broken. It can also confuse your hard disks and thus
cause data loss. It needs to be fixed.

So where is /dev/eth0?


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