Am Mittwoch, 11. Oktober 2017 schrieb Didier Kryn:
> 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
Comments are overrated. Remember the holy church of cleancode? Levels out the differences between managment and coders: With cleancode not only managers dont understand code, coders don't  ether! 
Nik
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