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<p>Replying to both comments so far in this conversation.</p>
<p>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 <b>"if you are using the unstable
distribution that some required packages have not yet been
created or been moved out of Incoming."</b></p>
<p>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. <br>
</p>
<p>If you wanted to debug this further you could look at the lists
of dependencies that are at this URL
<a class="moz-txt-link-freetext" href="http://qgis.org/debian/dists/unstable/main/binary-amd64/Packages">http://qgis.org/debian/dists/unstable/main/binary-amd64/Packages</a>
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.<br>
</p>
<p>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
<a class="moz-txt-link-freetext" href="http://qgis.org/debian-nightly/dists/unstable/main/binary-amd64/Packages">http://qgis.org/debian-nightly/dists/unstable/main/binary-amd64/Packages</a>
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.</p>
<p>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.<br>
</p>
<div class="moz-cite-prefix">On 17/07/20 10:53 pm, aborruso wrote:<br>
</div>
<blockquote type="cite"
cite="mid:1594983210228-0.post@n6.nabble.com">
<pre class="moz-quote-pre" wrap="">Hi,
I'm not able to install QGIS in Debian 11.
My steps
sudo add-apt-repository "deb <a class="moz-txt-link-freetext" href="https://qgis.org/debian">https://qgis.org/debian</a> 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
--
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