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Re: apt-get upgrade removing ifupdown on jessie→stretch upgrade




Hi there,

On Thu, 23 Feb 2017 13:12:10 +0100, Michael Prokop wrote:
> * David Kalnischkies [Wed Feb 22, 2017 at 10:28:33PM +0100]:
> > On Wed, Feb 22, 2017 at 09:04:16PM +0100, Luca Capello wrote:
> 
> > > ...it will break existing practices, e.g.:
> > >  DEBIAN_FRONTEND=noninteractive apt-get upgrade -y
> > > FYI, I would call it a regression.
[...]
> > Ignoring that reading the apt output even in such invocations isn't
> > a bad idea as it will e.g. tell you which packages it can't upgrade
> > – I kinda hope you aren't performing a release upgrade unattended…
> 
> Several customers of mine have fully automated upgrade procedures,
> without any manual intervention needed and I'm sure there are
> several other folks doing similar stuff. In big environments with
> many systems and also products based on Debian which require easy
> upgrade procedures (possibly even by the enduser) I'm actually
> expecting to see such practices, since the process to get there can
> be automated + tested in advance (that's what we're doing).

I could have not said better, thanks Mika.

And for the release upgrade (which FTR I have never tested/done
unattended yet), I first carefully read the release notes, which most of
the time helps me sorting the biggest problem way before starting the
upgrade.

Thx, bye,
Gismo / Luca

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