[Qgis-user] QGIS uninstalled after GDAL PPA install

[J. M]

Hi Ismail!

Many thanks for your advice; I'll check it out. I haven't actually had a
chance to sit down and try to purge QGIS and start again. Andre was trying
to help me but I wasn't sure where to start so I haven't tried since I last
inquired about the process!

Thanks a lot,
Jimi.

On Sun, Feb 23, 2020 at 8:59 AM Ismail Sunni <imajimatika at gmail.com> wrote:

> Hi Jimi,
>
> I have a similar problem. I fix it by reinstalling gdal (libgdal20). I can
> install QGIS again after that. But, I am not an expert with this package
> manager thing, so perhaps it can work for you also, or perhaps not :)
>
> While trying to fix my problem, I found this
> https://askubuntu.com/questions/140246/how-do-i-resolve-unmet-dependencies-after-adding-a-ppa which
> probably useful for you.
>
> Best regards
>
> On Thu, Feb 20, 2020 at 1:22 PM J. M <jimimckay at gmail.com> wrote:
>
>> Hi again Andre,
>>
>> Thanks for that, I more or less get what you mean. The problem is that
>> when I ran autoremove it came back with almost a gig of dependencies it
>> wanted to remove, so I cancelled it! QGIS wasn't the last program I
>> installed so I have no idea how to purge only the dependencies directly
>> related to the previous version of it I was running. If I run autoremove
>> and it damages other applications or makes my system unusable then I won't
>> be able to fix it (I'm only a user, I've got no background in programming).
>> I read around and people warned strongly against doing this unless you're
>> sure what you want to remove. How can I be sure I only remove the right
>> dependencies? Does QGIS have a list or something I can use as a guide?
>>
>> If anyone could explain how to use Synaptic package manager then I'd be
>> really grateful! It must have the most unintuitive interface of any piece
>> of software I've ever tried to use..
>>
>> I edited the source file last time I installed it, so that part is done.
>> Incidentally, I don't see the 'other Software' tab in the Ubuntu Software
>> Center, so I just edited it manually. Any idea what that package is called?
>> I'm happy enough using the terminal if I know (roughly) what I'm doing!
>>
>> Thanks a lot team,
>> Jimi.
>>
>> On Wed, Feb 19, 2020 at 8:18 PM Andre Joost <andre+joost at nurfuerspam.de>
>> wrote:
>>
>>> Am 18.02.20 um 23:58 schrieb J. M:
>>> > Hi again Andre,
>>> >
>>> > I don't actually understand what to do with this, because I can't run
>>> 'sudo
>>> > apt-get install qgis qgis-plugin-grass' as it keeps giving me the same
>>> > error messages about broken packages.
>>>
>>> Yes, because you have packages that are compiled against a set of
>>> libraries that does not match your computer. You have to remove,
>>> autoremove and purge those QGIS packages to force a download from the
>>> right folder.
>>>
>>>
>>> > When you say this, I don't get what this link does. I click on it and
>>> it
>>> > just takes me into a file hierarchy. Are users supposed to obtain the
>>> > downloads from here, or is it purely informative?
>>> > Try
>>> > deb https://qgis.org/ubuntugis bionic main
>>>
>>> That should go into your sources list, to replace the QGIS download
>>> source you used before. The Ubuntu Software center has a tab for "other
>>> Software" that holds the same information, so no need to edit the
>>> sources file manually.
>>>
>>> HTH,
>>> Andre Joost
>>>
>>>
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>
>
> --
> Ismail Sunni
> Software Engineer
> ismailsunni.id
> ismailsunni.wordpress.com
>
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