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Re: Update on my update problem with gnome system.




On Sat 26 May 2018 at 15:45:02 (-0400), Cindy-Sue Causey wrote:
> On 5/26/18, Pétùr <peturvilj@xxxxxxxxx> wrote:
> > Le 25/05/2018 à 21:33, Joe a écrit :
> >>> Le 19/05/2018 à 21:03, Hans a écrit :
> >>>> Isn't it today "apt update" and "apt full-upgrade"?
> >>> Thanks, I didn't know this new "full-upgrade" command.
> >>>
> >>> Is "apt full-upgrade" equivalent to "apt-get dist-upgrade" (or apt
> >>> dist-upgrade)?
> >
> >> More or less. Apt-get is actually a bit less intelligent, but in the
> >> case of upgrades of very large numbers of packages (400+), that seems to
> >> work better. It has been recommended for several version upgrades in
> >> preference to aptitude.
> >>
> >> I haven't used apt, but I've used aptitude to upgrade long-neglected
> >> unstable installations, and I've known it to run overnight without
> >> finding a solution.
> >>
> >> For smaller numbers of packages, aptitude (and presumably apt) is
> >> generally quicker at reaching a solution, apt-get may have to be run a
> >> few times with selected packages to break an impasse.
> >
> > I don't use aptitude. I use only apt and apt-get but I believe apt is
> > just a shortcut for apt-get. `apt update` is equivalent for me to
> > `apt-get update` and `apt dist-upgrade` to `apt-get dist-upgrade`
> > (correct me if I am wrong).
> 
> 
> On occasion, I'm able to interchangeably use a suggest apt command
> with apt-get instead. That's most likely not 100%, though. Just means
> I got lucky a time or ten. :)
> 
> 
> > My question was if apt (or apt-get) dist-upgrade was equivalent of apt
> > (or apt-get) full-upgrade?
> 
> 
> I can't directly answer your question, but I *could* at least grab
> something from "man". :)
> 
> >From "man apt-get" (I only found dist-upgrade referenced there):
> 
> dist-upgrade : dist-upgrade in addition to performing the function of
> upgrade, also intelligently handles changing dependencies with new
> versions of packages; apt-get has a "smart" conflict resolution
> system, and it will attempt to upgrade the most important packages at
> the expense of less important ones if necessary. The dist-upgrade
> command may therefore remove some packages. The /etc/apt/sources.list
> file contains a list of locations from which to retrieve desired
> package files. See also apt_preferences(5) for a mechanism for
> overriding the general settings for individual packages.
> 
> >From "man apt" (I only found full-upgrade referenced there):
> 
> full-upgrade (apt-get(8)): full-upgrade performs the function of
> upgrade but will remove currently installed packages if this is needed
> to upgrade the system as a whole.

I think that closes the circle:
https://lists.debian.org/debian-user/2018/05/msg00847.html

Of course one is free to try both approaches and compare them
in at least a couple of ways:

→   -s for simulate,
→   just say no when asked to proceed.

Cheers,
David.