Replying to both comments so far in this conversation.
All package managers to install the Qgis packages are dependent on the dependencies of these packages being available from their respective repositories. With an unstable distro this is more difficult as the packages in the distro repositories are constantly being updated and may not match the required ones at any particular point in time. As the message from the package manager says very clearly *"if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming."*
Debian development editions are changing a lot more rapidly than the production editions which are noted for their stability so this is simply a fact of life using unstable or testing editions of Debian. There is always a risk with the unstable versions both of the distro and software that an update may break either and you may have to wait a few days until whichever unmet dependency is resolved but this may not actually happen until shortly after the next point release of Qgis 3.14 is produced.
If you wanted to debug this further you could look at the lists of dependencies that are at this URL http://qgis.org/debian/dists/unstable/main/binary-amd64/Packages and then one possibility is to check all the dependencies of each package in turn. This is no doubt highly laborious considering the number of dependencies listed for the example libqgis-3d3.14.0 the first one in the list, and for all the others.
Using the nightly tree which is built more often therefore potentially more up to date is probably a better long term strategy. For example the current packages list at http://qgis.org/debian-nightly/dists/unstable/main/binary-amd64/Packages tells me there are later versions of some of the packages listed below present and they may be more likely to be up to date with the dependencies that are present in your computer.
There is one question I am unsure of however and that is whether unstable is for Ubuntu distros, and Debian users should be using the sid branch instead, or whether they are actually the same. sid is only available in debian-nightly tree however.
On 17/07/20 10:53 pm, aborruso wrote:
Hi, I'm not able to install QGIS in Debian 11. My steps sudo add-apt-repository "deb https://qgis.org/debian unstable main" sudo apt-get update sudo apt-get install qgis I have these errors: 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: libqgis-3d3.14.0 but it is not going to be installed Depends: libqgis-analysis3.14.0 but it is not going to be installed Depends: libqgis-app3.14.0 but it is not going to be installed Depends: libqgis-core3.14.0 but it is not going to be installed Depends: libqgis-gui3.14.0 but it is not going to be installed Depends: libqt5core5a (>= 5.12.2) but 5.11.3+dfsg1-4 is to be installed Depends: libqt5webkit5 (>= 5.212.0~alpha3) but it is not going to be installed Depends: python3-qgis (= 1:3.14.0+99unstable-1) but it is not going to be installed Depends: qgis-providers (= 1:3.14.0+99unstable-1) but it is not going to be installed Recommends: qgis-plugin-grass but it is not going to be installed E: Unable to correct problems, you have held broken packages. How to solve these? Thank you -- Sent from: http://osgeo-org.1560.x6.nabble.com/QGIS-User-f4125267.html _______________________________________________ Qgis-user mailing list [email protected] List info: https://lists.osgeo.org/mailman/listinfo/qgis-user Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
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