On Friday 31 July 2015 10:04:54 EBo wrote:

> Gene,
>
> I got bit on a Gentoo upgrade some time back.  There is a way to force
> udev to use specific addresses instead of things like net.e13sp5, but
> Iforget how to do that.  Since I only have to deal with this when I
> change the net hardware, I decided not to fight it and just deal with
> it.  As a note, when I stumbled onto this there was some long
> discussion and justification on why this was a good thing.  I did not
> delve into the nasty bits and just accepted it.  If you look around a
> little you can find out how to go back to the old behaviour.
>
>    EBo --
>
> On Jul 31 2015 6:24 AM, Gene Heskett wrote:
> > A heads up of sorts.  And really has nothing to do with LinuxCNC
> > itself,
> > just the installer.
> >
> > In the process of finding a machine suitable to use as a linuxcnc
> > host, I
> > ran into a thing with udev that was quite a pain in the ass until I
> > discovered the reason.
> >
> > Moving the drive, with the latest updated install on it from machine
> > to
> > machine, I had networking failures anew everytime I moved the drive.
> >
> > It seems some genius in charge of udev thought the interfaces should
> > be
> > renamed everytime the hardware changes, so udev, in its infinite
> > wisdom,
> > dutyfully finds and loads the correct driver for the hardware it has
> > found.  But some unknown place, it keeps track of how many different
> > hardwares it has found, so since it had, by the time I wound up with
> > it
> > in the current machine, found several different families of
> > hardware, it, quite a few lines on down in the dmesg report and
> > easily missed, renames it, in the most recent machine, to eth5!
> > Since my local network
> > is hosts file based, I had to edit (after nuking network-mangler
> > with extreme prejudice) my /etc/network/interfaces file so it used
> > eth5.
> >
> > I have no idea what udev genius thought that was a good idea, but if
> > it
> > can be found and fixed to not do that in the next respin, it would
> > sure
> > be a lot better than a whole bottle of excedrin.
> >
> > I'll also tip my hat to whomever fixed the installer so it would
> > accept a
> > handmade partition, its the first time in several installs that I
> > was able to actually setup and use a /boot partition as the first
> > partition
> > on the drive.  The bios on the first of the machines I tried
> > wouldn't boot, couldn't reach far enough into the drive to find the
> > boot files,
> > and a separate sda1=/boot partition just works.
> >
> > Cheers, Gene Heskett

I've been told its easy but right now I'm trying to put a steady 
heartbeat into this machine.  Net is working so its not nagging me or 
preventing me from doing other stuffs.

Thanbks Ebo.
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Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>

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