:: Re: [DNG] systemd-udevd: renamed ne…
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Lähettäjä: Didier Kryn
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Vastaanottaja: dng
Aihe: Re: [DNG] systemd-udevd: renamed network interface eth0 to eth1
Le 11/10/2017 à 08:10, Dr. Nikolaus Klepp a écrit :
> Am Mittwoch, 11. Oktober 2017 schrieb John Morris:
>> On Tue, 2017-10-10 at 01:49 +0200, Alessandro Selli wrote:
>>
>>>    By the manual, the correct solution in configuring Grub as to pass the
>>> kernel these parameters:

>>>
>>> biosdevname=0 net.ifnames=0
>> Those fix similar problems but not exactly the same ones. The udev
>> persistent rules get you when you move an image from one machine to
>> another or swap out failed hardware and suddenly you have no network
>> because eth0 suddenly became eth1. And as I noted, not only network
>> device names but CD drives as well are impacted. The fixes you suggest
>> solve the equally annoying problem of eth0 or wlan0 unexpectedly turning
>> into a string of gibberish after an upgrade.
>>
>> They are turning everything into a UUID or similar string of untypable
>> gibberish. It is almost like they don't want you to use the command
>> line directly anymore. Nah, that couldn't be it, right?
>>
> My rc.local contains this line:
>
> rm /etc/udevd/rules/*persist*


     With this, Udev starts from scratch at every boot :-)


     Looks like a very nice approach, but it's too hidden: if you 
inherit a machine which is doing that, it can take you pretty long 
before you find out who the hell is deleting the udev rules. Maybe 
rewrite the files with only a comment like


# This file has been wiped out by /etc/rc.local because I don't want
udev to rename my devices.

         Didier