Hi Ben! Thanks a lot for that, really helpful. Andre explained that the last time I had a problem with the installation
On Tue, Feb 25, 2020 at 4:44 AM Ben Hur Pintor <bnhr....@gmail.com> wrote: > Hi! > > First of all, make sure that you add the qgis.org repo public key > via sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-key > 51F523511C7028C3. Make sure that the library versions in your computer > (specially GDAL and PROJ) are the same libraries that QGIS is built against. > > The links in > https://www.qgis.org/en/site/forusers/alldownloads.html#debian-ubuntu > determine > which versions of QGIS will be installed. You add these as sources in the > Software Center or you can add them directly in your /etc/apt/sources.list > file as instructed in > https://qgis.org/en/site/forusers/alldownloads.html#debian-ubuntu. > If you want 3.12 (Latest Release), you can use/add the following in your > /etc/apt/sources.list file https://qgis.org/ubuntu or > https://qgis.org/ubuntugis (if with ubuntugis-unstable dependencies). > If you want the LTR branch (3.10.3), simply use > https://qgis.org/ubuntu-ltr or https://qgis.org/ubuntugis-ltr (if with > ubuntugis-unstable dependencies) in your /etc/apt/sources.list file. > > Also, don't forget to remove/purge all previous QGIS or GRASS > installations (e.g. sudo apt remove qgis grass qgis-plugin-grass) and do an > update (sudo apt update) before trying to install QGIS again. > > I run Pop! OS 18.04 (based on Ubuntu 18.04). Unfortunately, the libraries > in the main (universe) repo of Bionic are a bit outdated (GDAL 2.2.3, PROJ > 4.9, etc.). The newer versions of QGIS use GDAL 3.0.X and PROJ 6.X. Using > the ubuntugis-unstable ( > https://launchpad.net/~ubuntugis/+archive/ubuntu/ubuntugis-unstable) PPA > remedies the problem of some outdated libraries. If you will use the > ubuntugis-unstable libraries, don't forget to add the PPA to your sources > as well. On another note, PROJ 6.3.1, which QGIS 3.10.3 and 3.12 use, isn't > available yet in Bionic even when using the ubuntugis PPA so even if I > want, I can only install 3.10.2 right now on my machine. Trying to install > 3.12 via the ubuntu or ubuntugis repo fails. > > > All the best, > Ben Hur > > On Tue, Feb 25, 2020, 07:25 J. M <jimimc...@gmail.com> wrote: > >> Hi Ismail, >> >> Well, I've tried everything I can think of, everything people have >> recommended and everything I've googled, but there seems to be no earthly >> way to get rid of the following error messages: >> >> sudo apt-get install qgis qgis-plugin-grass >> Reading package lists... Done >> Building dependency tree >> Reading state information... Done >> Some packages could not be installed. This may mean that you have >> requested an impossible situation or if you are using the unstable >> distribution that some required packages have not yet been created >> or been moved out of Incoming. >> The following information may help to resolve the situation: >> >> The following packages have unmet dependencies. >> qgis : Depends: python3-qgis (= 1:3.12.0+28bionic) but it is not going >> to be installed >> E: Unable to correct problems, you have held broken packages. >> >> I've tried this: >> >> sudo apt-get purge qgis >> sudo apt-get autoremove qgis >> sudo apt-get --purge remove qgis >> sudo apt-get update >> >> but it returned the following: >> >> sudo apt-get update >> >> >> Hit:6 http://qgis.org/debian bionic InRelease >> >> The following signatures couldn't be verified because the public key is >> not available: NO_PUBKEY 76F1A20FF987672F >> Hit:18 http://ppa.launchpad.net/ubuntugis/ubuntugis-unstable/ubuntu >> bionic InRelease >> Err:18 http://ppa.launchpad.net/ubuntugis/ubuntugis-unstable/ubuntu >> bionic InRelease >> The following signatures couldn't be verified because the public key is >> not available: NO_PUBKEY 089EBE08314DF160 >> Reading package lists... Done >> W: GPG error: https://dl.winehq.org/wine-builds/ubuntu bionic InRelease: >> The following signatures couldn't be verified because the public key is not >> available: NO_PUBKEY 76F1A20FF987672F >> E: The repository 'https://dl.winehq.org/wine-builds/ubuntu bionic >> InRelease' is not signed. >> N: Updating from such a repository can't be done securely, and is >> therefore disabled by default. >> N: See apt-secure(8) manpage for repository creation and user >> configuration details. >> W: An error occurred during the signature verification. The repository is >> not updated and the previous index files will be used. GPG error: >> http://ppa.launchpad.net/ubuntugis/ubuntugis-unstable/ubuntu bionic >> InRelease: The following signatures couldn't be verified because the public >> key is not available: NO_PUBKEY 089EBE08314DF160 >> >> >> I can't think of anything else. Any suggestions about what I might be >> doing wrong? I don't actually understand what this link is for: >> https://www.qgis.org/en/site/forusers/alldownloads.html#debian-ubuntu >> If you download via the terminal by typing 'sudo apt-get install qgis' >> then how do you make use of all the folders in this link? I mean, how do I >> differentiate if I want to download version 3.10 or 3.12 of QGIS? >> >> Sorry team, I just can't get this to work and I'm worried I do >> irreparable damage to my system with this process. >> Please help me out, guys! >> Cheers, >> Jimi. >> >> >> >> On Mon, Feb 24, 2020 at 6:58 PM J. M <jimimc...@gmail.com> wrote: >> >>> 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 <imajimat...@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 <jimimc...@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+jo...@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 >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> Qgis-user mailing list >>>>>> Qgis-user@lists.osgeo.org >>>>>> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user >>>>>> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user >>>>> >>>>> _______________________________________________ >>>>> Qgis-user mailing list >>>>> Qgis-user@lists.osgeo.org >>>>> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user >>>>> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user >>>> >>>> >>>> >>>> -- >>>> Ismail Sunni >>>> Software Engineer >>>> ismailsunni.id >>>> ismailsunni.wordpress.com >>>> >>> _______________________________________________ >> Qgis-user mailing list >> Qgis-user@lists.osgeo.org >> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user >> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > >
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