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    <p>Hi everybody, I am using a Linux system, Ubuntu.<br>
    </p>
    <p>I just have a little problem with the preinstallation of QGIS.
      Can any of you tell me how to fix this?<br>
    </p>
    <p><br>
    </p>
<a class="moz-txt-link-freetext" href="https://www.qgis.org/en/site/forusers/alldownloads.html#linuxQuickstart">https://www.qgis.org/en/site/forusers/alldownloads.html#linuxQuickstart</a>
    <p>Debian/Ubuntu<br>
    </p>
    <pre><span class="n">sudo</span> <span class="n">apt</span> <span class="n">install</span> <span class="n">gnupg</span> <span class="n">software</span><span class="o">-</span><span class="n">properties</span><span class="o">-</span><span class="n">common

</span><span class="n">wget</span> <span class="o">-</span><span class="n">qO</span> <span class="o">-</span> <span class="n">https</span><span class="p">:</span><span class="o">//</span><span class="n">qgis</span><span class="o">.</span><span class="n">org</span><span class="o">/</span><span class="n">downloads</span><span class="o">/</span><span class="n">qgis</span><span class="o">-</span><span class="mf">2021.</span><span class="n">gpg</span><span class="o">.</span><span class="n">key</span> <span class="o">|</span> <span class="n">sudo</span> <span class="n">gpg</span> <span class="o">--</span><span class="n">no</span><span class="o">-</span><span class="n">default</span><span class="o">-</span><span class="n">keyring</span> <span class="o">--</span><span class="n">keyring</span> <span class="n">gnupg</span><span class="o">-</span><span class="n">ring</span><span class="p">:</span><span class="o">/</span><span class="n">etc</span><span class="o">/</span><span class="n">apt</span><span class="o">/</span><span class="n">trusted</span><span class="o">.</span><span class="n">gpg</span><span class="o">.</span><span class="n">d</span><span class="o">/</span><span class="n">qgis</span><span class="o">-</span><span class="n">archive</span><span class="o">.</span><span class="n">gpg</span> <span class="o">--</span><span class="kn">import</span>
<span class="nn">
sudo</span> <span class="n">chmod</span> <span class="n">a</span><span class="o">+</span><span class="n">r</span> <span class="o">/</span><span class="n">etc</span><span class="o">/</span><span class="n">apt</span><span class="o">/</span><span class="n">trusted</span><span class="o">.</span><span class="n">gpg</span><span class="o">.</span><span class="n">d</span><span class="o">/</span><span class="n">qgis</span><span class="o">-</span><span class="n">archive</span><span class="o">.</span><span class="n">gpg

</span><span class="n">sudo</span> <span class="n">add</span><span class="o">-</span><span class="n">apt</span><span class="o">-</span><span class="n">repository</span> <span class="s2">"deb <a class="moz-txt-link-freetext" href="https://qgis.org/ubuntu">https://qgis.org/ubuntu</a> $(lsb_release -c -s) main"

</span>
<span class="n"></span><span class="s2"></span><span class="n"></span><span class="n"></span></pre>
    <p>Here I come across the following message:</p>
    <p>    N: Skipping acquire of configured file
      'main/binary-i386/Packages' as repository '<a class="moz-txt-link-freetext" href="https://qgis.org/ubuntu">https://qgis.org/ubuntu</a>
      focal InRelease' doesn't support architecture 'i386'</p>
    <p><br>
    </p>
    <p>The output of the last command:<br>
    </p>
    <p>$ sudo add-apt-repository "deb <a class="moz-txt-link-freetext" href="https://qgis.org/ubuntu">https://qgis.org/ubuntu</a>
      $(lsb_release -c -s) main"<br>
    </p>
    <p>    Hit:1 <a class="moz-txt-link-freetext" href="http://nl.archive.ubuntu.com/ubuntu">http://nl.archive.ubuntu.com/ubuntu</a> focal InRelease<br>
          Get:2 <a class="moz-txt-link-freetext" href="http://nl.archive.ubuntu.com/ubuntu">http://nl.archive.ubuntu.com/ubuntu</a> focal-updates
      InRelease [114 kB]     <br>
          Hit:3 <a class="moz-txt-link-freetext" href="http://ppa.launchpad.net/inkscape.dev/stable/ubuntu">http://ppa.launchpad.net/inkscape.dev/stable/ubuntu</a>
      focal InRelease      <br>
          Hit:4 <a class="moz-txt-link-freetext" href="http://ppa.launchpad.net/linuxgndu/sqlitebrowser/ubuntu">http://ppa.launchpad.net/linuxgndu/sqlitebrowser/ubuntu</a>
      focal InRelease  <br>
          Get:5 <a class="moz-txt-link-freetext" href="http://nl.archive.ubuntu.com/ubuntu">http://nl.archive.ubuntu.com/ubuntu</a> focal-backports
      InRelease [108 kB]   <br>
          Hit:6 <a class="moz-txt-link-freetext" href="http://ppa.launchpad.net/team-xbmc/ppa/ubuntu">http://ppa.launchpad.net/team-xbmc/ppa/ubuntu</a> focal
      InRelease            <br>
          Get:7 <a class="moz-txt-link-freetext" href="https://qgis.org/ubuntu">https://qgis.org/ubuntu</a> focal InRelease [2.731
      B]                        <br>
          Get:8 <a class="moz-txt-link-freetext" href="http://security.ubuntu.com/ubuntu">http://security.ubuntu.com/ubuntu</a> focal-security
      InRelease [114 kB]      <br>
          Get:9 <a class="moz-txt-link-freetext" href="http://nl.archive.ubuntu.com/ubuntu">http://nl.archive.ubuntu.com/ubuntu</a> focal-updates/main
      i386 Packages [592 kB]<br>
          Hit:10 <a class="moz-txt-link-freetext" href="https://download.sublimetext.com">https://download.sublimetext.com</a> apt/dev/
      InRelease                     <br>
          Get:11 <a class="moz-txt-link-freetext" href="http://nl.archive.ubuntu.com/ubuntu">http://nl.archive.ubuntu.com/ubuntu</a> focal-updates/main
      amd64 Packages [1.510 kB]<br>
          Get:12 <a class="moz-txt-link-freetext" href="https://qgis.org/ubuntu">https://qgis.org/ubuntu</a> focal/main amd64 Packages [26,4
      kB]             <br>
          Get:13 <a class="moz-txt-link-freetext" href="http://nl.archive.ubuntu.com/ubuntu">http://nl.archive.ubuntu.com/ubuntu</a> focal-updates/main
      amd64 DEP-11 Metadata [281 kB]<br>
          Get:14 <a class="moz-txt-link-freetext" href="http://nl.archive.ubuntu.com/ubuntu">http://nl.archive.ubuntu.com/ubuntu</a>
      focal-updates/universe i386 Packages [664 kB]<br>
          Get:15 <a class="moz-txt-link-freetext" href="http://nl.archive.ubuntu.com/ubuntu">http://nl.archive.ubuntu.com/ubuntu</a>
      focal-updates/universe amd64 Packages [894 kB]<br>
          Get:16 <a class="moz-txt-link-freetext" href="http://security.ubuntu.com/ubuntu">http://security.ubuntu.com/ubuntu</a> focal-security/main
      amd64 DEP-11 Metadata [40,7 kB]<br>
          Get:17 <a class="moz-txt-link-freetext" href="http://security.ubuntu.com/ubuntu">http://security.ubuntu.com/ubuntu</a>
      focal-security/universe amd64 DEP-11 Metadata [66,4 kB]<br>
          Get:18 <a class="moz-txt-link-freetext" href="http://nl.archive.ubuntu.com/ubuntu">http://nl.archive.ubuntu.com/ubuntu</a>
      focal-updates/universe amd64 DEP-11 Metadata [364 kB]<br>
          Get:19 <a class="moz-txt-link-freetext" href="http://security.ubuntu.com/ubuntu">http://security.ubuntu.com/ubuntu</a>
      focal-security/multiverse amd64 DEP-11 Metadata [2.464 B]<br>
          Get:20 <a class="moz-txt-link-freetext" href="http://nl.archive.ubuntu.com/ubuntu">http://nl.archive.ubuntu.com/ubuntu</a>
      focal-updates/multiverse amd64 DEP-11 Metadata [944 B]<br>
          Get:21 <a class="moz-txt-link-freetext" href="http://nl.archive.ubuntu.com/ubuntu">http://nl.archive.ubuntu.com/ubuntu</a>
      focal-backports/main amd64 DEP-11 Metadata [7.988 B]<br>
          Get:22 <a class="moz-txt-link-freetext" href="http://nl.archive.ubuntu.com/ubuntu">http://nl.archive.ubuntu.com/ubuntu</a>
      focal-backports/universe amd64 DEP-11 Metadata [12,2 kB]<br>
    </p>
    <p>    Fetched 4.801 kB in 2s (2.797
      kB/s)                                  <br>
          Reading package lists... Done<br>
    </p>
    <p>    N: Skipping acquire of configured file
      'main/binary-i386/Packages' as repository '<a class="moz-txt-link-freetext" href="https://qgis.org/ubuntu">https://qgis.org/ubuntu</a>
      focal InRelease' doesn't support architecture 'i386'</p>
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