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Re: want pinning with examples to prevent unwanted package(s) from being installed

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On 8/31/17, Felix Miata <mrmazda@earthlink.net> wrote:
> Dejan Jocic composed on 2017-08-31 08:51 (UTC+0200):
>
>> Felix Miata wrote:
>
>>> Over an hour I've been searching in vain, apparently using broken
>>> Google-fu, for
>>> something using examples to explain how to prevent unwanted package(s)
>>> from
>>> being installed via pinning when apt-mark's hold is being disregarded.
>>> Anyone
>>> familiar with an URL that would do this?
>
>>> In openSUSE, it's a simple process:
>
>>> 	zypper al unwantedpackagename[version]
>
>>> That's all there is to it, other than it also works with wildcards.
>
>> Not sure that I understand, because man page gives enough examples.
>
> To start with, the question "which man page" needed to be solved.
>
>> Like:
>
>>  P < 0
>>       prevents the version from being installed
>
>> So, for preventing some package to be installed:
>
>> Package: somepackage
>> Pin: origin ""
>> Pin-Priority: -1
>
> I never saw an example that wasn't part of a group that included multiple
> release names, none with the null string for origin.
>
>> That will prevent all packages with somepackage name to be installed, no
>> matter of origin. In Pin section, you can use release instead, if you
>> want to restrict just specific release, but that is all well explained
>> in man page of apt_preferences with lots of examples.
>
> Now that I see that apt_preferences is the relevant doc, I don't see it as
> "well" explained. "The file" isn't given a name. There is no "file" that
> seems
> applicable to locking anything in in /etc/apt/, though there is an empty
> directory "/etc/apt/preferences.d/", which to me doesn't imply anything to
> do
> with locking.
>
> I gave it several stabs. I created /etc/apt/preferences.d/1grub.pref that
> eventually reached the following state:
>
> Package: grub
> Pin: origin ""
> Pin-Priority: -1
>
< snipped for brevity >
>
> I'm still getting told the following will be installed:
> grub-common grub-gfxpayload-lists grub-pc grub-pc-bin grub2-common
> os-prober
>
> This is a multiboot system, so no space-wasting, updates time-wasting
> bootloader
> is needed or wanted on the installation making this insistence.


I just tracked down a sample I saved for myself during that recent
time period where wpasupplicant was being a pain:

Package: wpasupplicant
Pin: version 2.5-2+v2.4-3+b1
Pin-Priority: 1001

My apologies, but I'm not able to remember *why* I did it exactly like
that. I'm thinking maybe it was specifically "pinned" to that version
number... maybe.

I do remember that it was garnered from an example somewhere out on
the W-W-W. However they explained their own example, that right there
helped me at that time. In fact so much so that my inner geekette
became a little more empowered that day. * yippee ki ay* :D

Cindy :)
-- 
Cindy-Sue Causey
Talking Rock, Pickens County, Georgia, USA

* runs with duct tape *

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Thread

want pinning with examples to prevent unwanted package(s) from being  installed Felix Miata <mrmazda@earthlink.net> - 2017-08-31 08:10 +0200
  Re: want pinning with examples to prevent unwanted package(s) from  being installed Dejan Jocic <jodejka@gmail.com> - 2017-08-31 09:00 +0200
    Re: want pinning with examples to prevent unwanted package(s) from  being installed Felix Miata <mrmazda@earthlink.net> - 2017-08-31 09:30 +0200
      Re: want pinning with examples to prevent unwanted package(s) from  being installed Cindy-Sue Causey <butterflybytes@gmail.com> - 2017-08-31 16:30 +0200
        Re: want pinning with examples to prevent unwanted package(s) from  being installed Cindy-Sue Causey <butterflybytes@gmail.com> - 2017-09-01 00:40 +0200
    Re: want pinning with examples to prevent unwanted package(s) from  being installed Dejan Jocic <jodejka@gmail.com> - 2017-08-31 09:30 +0200
  Re: want pinning with examples to prevent unwanted package(s) from  being installed Jimmy Johnson <field.engineer@gmail.com> - 2017-09-01 07:10 +0200

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