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[doc] build from commit b8f1a329d3674695302bdd81702b5a2947c291d5
2024-11-22 09:04:27 +00:00
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<title>Buildhosts &#8212; SearXNG Documentation (2024.11.22+b8f1a329d)</title>
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<li class="nav-item nav-item-0"><a href="../index.html">SearXNG Documentation (2024.11.22+b8f1a329d)</a> &#187;</li>
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<section id="buildhosts">
<span id="id1"></span><h1>Buildhosts<a class="headerlink" href="#buildhosts" title="Link to this heading"></a></h1>
<nav class="contents local" id="contents">
<ul class="simple">
<li><p><a class="reference internal" href="#build-and-development-tools" id="id2">Build and Development tools</a></p></li>
<li><p><a class="reference internal" href="#build-docs" id="id3">Build docs</a></p></li>
<li><p><a class="reference internal" href="#lint-shell-scripts" id="id4">Lint shell scripts</a></p></li>
</ul>
</nav>
<p>To get best results from build, it’s recommend to install additional packages on
build hosts (see <a class="reference internal" href="../utils/searxng.sh.html#searxng-sh"><span class="std std-ref">utils/searxng.sh</span></a>).</p>
<section id="build-and-development-tools">
<span id="searxng-sh-install-buildhost"></span><h2><a class="toc-backref" href="#id2" role="doc-backlink">Build and Development tools</a><a class="headerlink" href="#build-and-development-tools" title="Link to this heading"></a></h2>
<p>To Install tools used by build and development tasks in once:</p>
<div class="sphinx-tabs docutils container">
<div aria-label="Tabbed content" class="closeable" role="tablist"><button aria-controls="panel-0-U2VhclhORydzIGRldmVsb3BtZW50IHRvb2xz" aria-selected="true" class="sphinx-tabs-tab group-tab" id="tab-0-U2VhclhORydzIGRldmVsb3BtZW50IHRvb2xz" name="U2VhclhORydzIGRldmVsb3BtZW50IHRvb2xz" role="tab" tabindex="0">SearXNG’s development tools</button></div><div aria-labelledby="tab-0-U2VhclhORydzIGRldmVsb3BtZW50IHRvb2xz" class="sphinx-tabs-panel group-tab" id="panel-0-U2VhclhORydzIGRldmVsb3BtZW50IHRvb2xz" name="U2VhclhORydzIGRldmVsb3BtZW50IHRvb2xz" role="tabpanel" tabindex="0"><div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>sudo<span class="w"> </span>-H<span class="w"> </span>./utils/searxng.sh<span class="w"> </span>install<span class="w"> </span>buildhost
</pre></div>
</div>
</div></div>
<p>This will install packages needed by SearXNG:</p>
<div class="sphinx-tabs docutils container">
<div aria-label="Tabbed content" class="closeable" role="tablist"><button aria-controls="panel-1-VWJ1bnR1IC8gZGViaWFu" aria-selected="true" class="sphinx-tabs-tab group-tab" id="tab-1-VWJ1bnR1IC8gZGViaWFu" name="VWJ1bnR1IC8gZGViaWFu" role="tab" tabindex="0">Ubuntu / debian</button><button aria-controls="panel-1-QXJjaCBMaW51eA==" aria-selected="false" class="sphinx-tabs-tab group-tab" id="tab-1-QXJjaCBMaW51eA==" name="QXJjaCBMaW51eA==" role="tab" tabindex="-1">Arch Linux</button><button aria-controls="panel-1-RmVkb3JhIC8gUkhFTA==" aria-selected="false" class="sphinx-tabs-tab group-tab" id="tab-1-RmVkb3JhIC8gUkhFTA==" name="RmVkb3JhIC8gUkhFTA==" role="tab" tabindex="-1">Fedora / RHEL</button></div><div aria-labelledby="tab-1-VWJ1bnR1IC8gZGViaWFu" class="sphinx-tabs-panel group-tab" id="panel-1-VWJ1bnR1IC8gZGViaWFu" name="VWJ1bnR1IC8gZGViaWFu" role="tabpanel" tabindex="0"><div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>sudo<span class="w"> </span>-H<span class="w"> </span>apt-get<span class="w"> </span>install<span class="w"> </span>-y<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>python3-dev<span class="w"> </span>python3-babel<span class="w"> </span>python3-venv<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>uwsgi<span class="w"> </span>uwsgi-plugin-python3<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>git<span class="w"> </span>build-essential<span class="w"> </span>libxslt-dev<span class="w"> </span>zlib1g-dev<span class="w"> </span>libffi-dev<span class="w"> </span>libssl-dev
</pre></div>
</div>
</div><div aria-labelledby="tab-1-QXJjaCBMaW51eA==" class="sphinx-tabs-panel group-tab" hidden="true" id="panel-1-QXJjaCBMaW51eA==" name="QXJjaCBMaW51eA==" role="tabpanel" tabindex="0"><div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>sudo<span class="w"> </span>-H<span class="w"> </span>pacman<span class="w"> </span>-S<span class="w"> </span>--noconfirm<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>python<span class="w"> </span>python-pip<span class="w"> </span>python-lxml<span class="w"> </span>python-babel<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>uwsgi<span class="w"> </span>uwsgi-plugin-python<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>git<span class="w"> </span>base-devel<span class="w"> </span>libxml2
</pre></div>
</div>
</div><div aria-labelledby="tab-1-RmVkb3JhIC8gUkhFTA==" class="sphinx-tabs-panel group-tab" hidden="true" id="panel-1-RmVkb3JhIC8gUkhFTA==" name="RmVkb3JhIC8gUkhFTA==" role="tabpanel" tabindex="0"><div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>sudo<span class="w"> </span>-H<span class="w"> </span>dnf<span class="w"> </span>install<span class="w"> </span>-y<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>python<span class="w"> </span>python-pip<span class="w"> </span>python-lxml<span class="w"> </span>python-babel<span class="w"> </span>python3-devel<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>uwsgi<span class="w"> </span>uwsgi-plugin-python3<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>git<span class="w"> </span>@development-tools<span class="w"> </span>libxml2<span class="w"> </span>openssl
</pre></div>
</div>
</div></div>
<p>and packages needed to build documentation and run tests:</p>
<div class="sphinx-tabs docutils container">
<div aria-label="Tabbed content" class="closeable" role="tablist"><button aria-controls="panel-2-VWJ1bnR1IC8gZGViaWFu" aria-selected="true" class="sphinx-tabs-tab group-tab" id="tab-2-VWJ1bnR1IC8gZGViaWFu" name="VWJ1bnR1IC8gZGViaWFu" role="tab" tabindex="0">Ubuntu / debian</button><button aria-controls="panel-2-QXJjaCBMaW51eA==" aria-selected="false" class="sphinx-tabs-tab group-tab" id="tab-2-QXJjaCBMaW51eA==" name="QXJjaCBMaW51eA==" role="tab" tabindex="-1">Arch Linux</button><button aria-controls="panel-2-RmVkb3JhIC8gUkhFTA==" aria-selected="false" class="sphinx-tabs-tab group-tab" id="tab-2-RmVkb3JhIC8gUkhFTA==" name="RmVkb3JhIC8gUkhFTA==" role="tab" tabindex="-1">Fedora / RHEL</button></div><div aria-labelledby="tab-2-VWJ1bnR1IC8gZGViaWFu" class="sphinx-tabs-panel group-tab" id="panel-2-VWJ1bnR1IC8gZGViaWFu" name="VWJ1bnR1IC8gZGViaWFu" role="tabpanel" tabindex="0"><div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>sudo<span class="w"> </span>-H<span class="w"> </span>apt-get<span class="w"> </span>install<span class="w"> </span>-y<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>firefox<span class="w"> </span>graphviz<span class="w"> </span>imagemagick<span class="w"> </span>texlive-xetex<span class="w"> </span>librsvg2-bin<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>texlive-latex-recommended<span class="w"> </span>texlive-extra-utils<span class="w"> </span>fonts-dejavu<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>latexmk<span class="w"> </span>shellcheck
</pre></div>
</div>
</div><div aria-labelledby="tab-2-QXJjaCBMaW51eA==" class="sphinx-tabs-panel group-tab" hidden="true" id="panel-2-QXJjaCBMaW51eA==" name="QXJjaCBMaW51eA==" role="tabpanel" tabindex="0"><div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>sudo<span class="w"> </span>-H<span class="w"> </span>pacman<span class="w"> </span>-S<span class="w"> </span>--noconfirm<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>firefox<span class="w"> </span>graphviz<span class="w"> </span>imagemagick<span class="w"> </span>texlive-bin<span class="w"> </span>extra/librsvg<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>texlive-core<span class="w"> </span>texlive-latexextra<span class="w"> </span>ttf-dejavu<span class="w"> </span>shellcheck
</pre></div>
</div>
</div><div aria-labelledby="tab-2-RmVkb3JhIC8gUkhFTA==" class="sphinx-tabs-panel group-tab" hidden="true" id="panel-2-RmVkb3JhIC8gUkhFTA==" name="RmVkb3JhIC8gUkhFTA==" role="tabpanel" tabindex="0"><div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>sudo<span class="w"> </span>-H<span class="w"> </span>dnf<span class="w"> </span>install<span class="w"> </span>-y<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>firefox<span class="w"> </span>graphviz<span class="w"> </span>graphviz-gd<span class="w"> </span>ImageMagick<span class="w"> </span>librsvg2-tools<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>texlive-xetex-bin<span class="w"> </span>texlive-collection-fontsrecommended<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>texlive-collection-latex<span class="w"> </span>dejavu-sans-fonts<span class="w"> </span>dejavu-serif-fonts<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>dejavu-sans-mono-fonts<span class="w"> </span>ShellCheck
</pre></div>
</div>
</div></div>
</section>
<section id="build-docs">
<span id="docs-build"></span><h2><a class="toc-backref" href="#id3" role="doc-backlink">Build docs</a><a class="headerlink" href="#build-docs" title="Link to this heading"></a></h2>
<aside class="sidebar">
<p class="sidebar-title">Sphinx build needs</p>
<ul class="simple">
<li><p><a class="reference external" href="https://www.imagemagick.org">ImageMagick</a></p></li>
<li><p><a class="reference external" href="https://graphviz.gitlab.io">Graphviz</a></p></li>
<li><p><a class="reference external" href="https://tug.org/xetex/">XeTeX</a></p></li>
<li><p><a class="reference external" href="https://dvisvgm.de/">dvisvgm</a></p></li>
</ul>
</aside>
<p>Most of the sphinx requirements are installed from <a class="extlink-origin reference external" href="https://github.com/searxng/searxng/blob/master/setup.py">git://setup.py</a> and the
docs can be build from scratch with <code class="docutils literal notranslate"><span class="pre">make</span> <span class="pre">docs.html</span></code>. For better math and
image processing additional packages are needed. The <a class="reference external" href="https://tug.org/xetex/">XeTeX</a> needed not only for
PDF creation, it’s also needed for <a class="reference internal" href="../dev/reST.html#math"><span class="std std-ref">Math equations</span></a> when HTML output is build.</p>
<p>To be able to do <a class="reference external" href="https://www.sphinx-doc.org/en/master/usage/extensions/math.html#math-support" title="(in Sphinx v8.2.0)"><span>Math support for HTML outputs in Sphinx</span></a> without CDNs, the math are rendered
as images (<code class="docutils literal notranslate"><span class="pre">sphinx.ext.imgmath</span></code> extension).</p>
<p>Here is the extract from the <a class="extlink-origin reference external" href="https://github.com/searxng/searxng/blob/master/docs/conf.py">git://docs/conf.py</a> file, setting math renderer
to <code class="docutils literal notranslate"><span class="pre">imgmath</span></code>:</p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">html_math_renderer</span> <span class="o">=</span> <span class="s1">&#39;imgmath&#39;</span>
<span class="n">imgmath_image_format</span> <span class="o">=</span> <span class="s1">&#39;svg&#39;</span>
<span class="n">imgmath_font_size</span> <span class="o">=</span> <span class="mi">14</span>
</pre></div>
</div>
<p>If your docs build (<code class="docutils literal notranslate"><span class="pre">make</span> <span class="pre">docs.html</span></code>) shows warnings like this:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">WARNING</span><span class="p">:</span> <span class="n">dot</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span> <span class="ow">not</span> <span class="n">found</span><span class="p">,</span> <span class="k">for</span> <span class="n">better</span> <span class="n">output</span> <span class="n">quality</span> <span class="n">install</span> \
<span class="n">graphviz</span> <span class="kn">from</span> <span class="nn">https</span><span class="p">:</span><span class="o">//</span><span class="n">www</span><span class="o">.</span><span class="n">graphviz</span><span class="o">.</span><span class="n">org</span>
<span class="o">..</span>
<span class="n">WARNING</span><span class="p">:</span> <span class="n">LaTeX</span> <span class="n">command</span> <span class="s1">&#39;latex&#39;</span> <span class="n">cannot</span> <span class="n">be</span> <span class="n">run</span> <span class="p">(</span><span class="n">needed</span> <span class="k">for</span> <span class="n">math</span> \
<span class="n">display</span><span class="p">),</span> <span class="n">check</span> <span class="n">the</span> <span class="n">imgmath_latex</span> <span class="n">setting</span>
</pre></div>
</div>
<p>you need to install additional packages on your build host, to get better HTML
output (<a class="reference internal" href="#searxng-sh-install-buildhost"><span class="std std-ref">install buildhost</span></a>).</p>
<div class="sphinx-tabs docutils container">
<div aria-label="Tabbed content" class="closeable" role="tablist"><button aria-controls="panel-3-VWJ1bnR1IC8gZGViaWFu" aria-selected="true" class="sphinx-tabs-tab group-tab" id="tab-3-VWJ1bnR1IC8gZGViaWFu" name="VWJ1bnR1IC8gZGViaWFu" role="tab" tabindex="0">Ubuntu / debian</button><button aria-controls="panel-3-QXJjaCBMaW51eA==" aria-selected="false" class="sphinx-tabs-tab group-tab" id="tab-3-QXJjaCBMaW51eA==" name="QXJjaCBMaW51eA==" role="tab" tabindex="-1">Arch Linux</button><button aria-controls="panel-3-RmVkb3JhIC8gUkhFTA==" aria-selected="false" class="sphinx-tabs-tab group-tab" id="tab-3-RmVkb3JhIC8gUkhFTA==" name="RmVkb3JhIC8gUkhFTA==" role="tab" tabindex="-1">Fedora / RHEL</button></div><div aria-labelledby="tab-3-VWJ1bnR1IC8gZGViaWFu" class="sphinx-tabs-panel group-tab" id="panel-3-VWJ1bnR1IC8gZGViaWFu" name="VWJ1bnR1IC8gZGViaWFu" role="tabpanel" tabindex="0"><div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>sudo<span class="w"> </span>apt<span class="w"> </span>install<span class="w"> </span>graphviz<span class="w"> </span>imagemagick<span class="w"> </span>texlive-xetex<span class="w"> </span>librsvg2-bin
</pre></div>
</div>
</div><div aria-labelledby="tab-3-QXJjaCBMaW51eA==" class="sphinx-tabs-panel group-tab" hidden="true" id="panel-3-QXJjaCBMaW51eA==" name="QXJjaCBMaW51eA==" role="tabpanel" tabindex="0"><div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>sudo<span class="w"> </span>pacman<span class="w"> </span>-S<span class="w"> </span>graphviz<span class="w"> </span>imagemagick<span class="w"> </span>texlive-bin<span class="w"> </span>extra/librsvg
</pre></div>
</div>
</div><div aria-labelledby="tab-3-RmVkb3JhIC8gUkhFTA==" class="sphinx-tabs-panel group-tab" hidden="true" id="panel-3-RmVkb3JhIC8gUkhFTA==" name="RmVkb3JhIC8gUkhFTA==" role="tabpanel" tabindex="0"><div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>sudo<span class="w"> </span>dnf<span class="w"> </span>install<span class="w"> </span>graphviz<span class="w"> </span>graphviz-gd<span class="w"> </span>ImageMagick<span class="w"> </span>texlive-xetex-bin<span class="w"> </span>librsvg2-tools
</pre></div>
</div>
</div></div>
<p>For PDF output you also need:</p>
<div class="sphinx-tabs docutils container">
<div aria-label="Tabbed content" class="closeable" role="tablist"><button aria-controls="panel-4-VWJ1bnR1IC8gZGViaWFu" aria-selected="true" class="sphinx-tabs-tab group-tab" id="tab-4-VWJ1bnR1IC8gZGViaWFu" name="VWJ1bnR1IC8gZGViaWFu" role="tab" tabindex="0">Ubuntu / debian</button><button aria-controls="panel-4-QXJjaCBMaW51eA==" aria-selected="false" class="sphinx-tabs-tab group-tab" id="tab-4-QXJjaCBMaW51eA==" name="QXJjaCBMaW51eA==" role="tab" tabindex="-1">Arch Linux</button><button aria-controls="panel-4-RmVkb3JhIC8gUkhFTA==" aria-selected="false" class="sphinx-tabs-tab group-tab" id="tab-4-RmVkb3JhIC8gUkhFTA==" name="RmVkb3JhIC8gUkhFTA==" role="tab" tabindex="-1">Fedora / RHEL</button></div><div aria-labelledby="tab-4-VWJ1bnR1IC8gZGViaWFu" class="sphinx-tabs-panel group-tab" id="panel-4-VWJ1bnR1IC8gZGViaWFu" name="VWJ1bnR1IC8gZGViaWFu" role="tabpanel" tabindex="0"><div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>sudo<span class="w"> </span>apt<span class="w"> </span>texlive-latex-recommended<span class="w"> </span>texlive-extra-utils<span class="w"> </span>ttf-dejavu
</pre></div>
</div>
</div><div aria-labelledby="tab-4-QXJjaCBMaW51eA==" class="sphinx-tabs-panel group-tab" hidden="true" id="panel-4-QXJjaCBMaW51eA==" name="QXJjaCBMaW51eA==" role="tabpanel" tabindex="0"><div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>sudo<span class="w"> </span>pacman<span class="w"> </span>-S<span class="w"> </span>texlive-core<span class="w"> </span>texlive-latexextra<span class="w"> </span>ttf-dejavu
</pre></div>
</div>
</div><div aria-labelledby="tab-4-RmVkb3JhIC8gUkhFTA==" class="sphinx-tabs-panel group-tab" hidden="true" id="panel-4-RmVkb3JhIC8gUkhFTA==" name="RmVkb3JhIC8gUkhFTA==" role="tabpanel" tabindex="0"><div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>sudo<span class="w"> </span>dnf<span class="w"> </span>install<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>texlive-collection-fontsrecommended<span class="w"> </span>texlive-collection-latex<span class="w"> </span><span class="se">\</span>
<span class="w"> </span>dejavu-sans-fonts<span class="w"> </span>dejavu-serif-fonts<span class="w"> </span>dejavu-sans-mono-fonts
</pre></div>
</div>
</div></div>
</section>
<section id="lint-shell-scripts">
<span id="sh-lint"></span><h2><a class="toc-backref" href="#id4" role="doc-backlink">Lint shell scripts</a><a class="headerlink" href="#lint-shell-scripts" title="Link to this heading"></a></h2>
<p>To lint shell scripts we use <a class="reference external" href="https://github.com/koalaman/shellcheck">ShellCheck</a> - a shell script static analysis tool
(<a class="reference internal" href="#searxng-sh-install-buildhost"><span class="std std-ref">install buildhost</span></a>).</p>
<div class="sphinx-tabs docutils container">
<div aria-label="Tabbed content" class="closeable" role="tablist"><button aria-controls="panel-5-VWJ1bnR1IC8gZGViaWFu" aria-selected="true" class="sphinx-tabs-tab group-tab" id="tab-5-VWJ1bnR1IC8gZGViaWFu" name="VWJ1bnR1IC8gZGViaWFu" role="tab" tabindex="0">Ubuntu / debian</button><button aria-controls="panel-5-QXJjaCBMaW51eA==" aria-selected="false" class="sphinx-tabs-tab group-tab" id="tab-5-QXJjaCBMaW51eA==" name="QXJjaCBMaW51eA==" role="tab" tabindex="-1">Arch Linux</button><button aria-controls="panel-5-RmVkb3JhIC8gUkhFTA==" aria-selected="false" class="sphinx-tabs-tab group-tab" id="tab-5-RmVkb3JhIC8gUkhFTA==" name="RmVkb3JhIC8gUkhFTA==" role="tab" tabindex="-1">Fedora / RHEL</button></div><div aria-labelledby="tab-5-VWJ1bnR1IC8gZGViaWFu" class="sphinx-tabs-panel group-tab" id="panel-5-VWJ1bnR1IC8gZGViaWFu" name="VWJ1bnR1IC8gZGViaWFu" role="tabpanel" tabindex="0"><div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>sudo<span class="w"> </span>apt<span class="w"> </span>install<span class="w"> </span>shellcheck
</pre></div>
</div>
</div><div aria-labelledby="tab-5-QXJjaCBMaW51eA==" class="sphinx-tabs-panel group-tab" hidden="true" id="panel-5-QXJjaCBMaW51eA==" name="QXJjaCBMaW51eA==" role="tabpanel" tabindex="0"><div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>sudo<span class="w"> </span>pacman<span class="w"> </span>-S<span class="w"> </span>shellcheck
</pre></div>
</div>
</div><div aria-labelledby="tab-5-RmVkb3JhIC8gUkhFTA==" class="sphinx-tabs-panel group-tab" hidden="true" id="panel-5-RmVkb3JhIC8gUkhFTA==" name="RmVkb3JhIC8gUkhFTA==" role="tabpanel" tabindex="0"><div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>sudo<span class="w"> </span>dnf<span class="w"> </span>install<span class="w"> </span>ShellCheck
</pre></div>
</div>
</div></div>
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