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  47.             
    48. 

  48.   <section id="buildhosts">
    49. 

  49. <span id="id1"></span><h1>Buildhosts<a class="headerlink" href="#buildhosts" title="Link to this heading">¶</a></h1>
    50. 

  50. <nav class="contents local" id="contents">
    51. 

  51. <ul class="simple">
    52. 

  52. <li><p><a class="reference internal" href="#build-and-development-tools" id="id2">Build and Development tools</a></p></li>
    53. 

  53. <li><p><a class="reference internal" href="#build-docs" id="id3">Build docs</a></p></li>
    54. 

  54. <li><p><a class="reference internal" href="#lint-shell-scripts" id="id4">Lint shell scripts</a></p></li>
    55. 

  55. </ul>
    56. 

  56. </nav>
    57. 

  57. <p>To get best results from build, it’s recommend to install additional packages on
    58. 

  58. 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>
    59. 

  59. <section id="build-and-development-tools">
    60. 

  60. <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>
    61. 

  61. <p>To Install tools used by build and development tasks in once:</p>
    62. 

  62. <div class="sphinx-tabs docutils container">
    63. 

  63. <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
    64. 

  64. </pre></div>
    65. 

  65. </div>
    66. 

  66. </div></div>
    67. 

  67. <p>This will install packages needed by SearXNG:</p>
    68. 

  68. <div class="sphinx-tabs docutils container">
    69. 

  69. <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>
    70. 

  70. <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>
    71. 

  71. <span class="w">    </span>uwsgi<span class="w"> </span>uwsgi-plugin-python3<span class="w"> </span><span class="se">\</span>
    72. 

  72. <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
    73. 

  73. </pre></div>
    74. 

  74. </div>
    75. 

  75. </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>
    76. 

  76. <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>
    77. 

  77. <span class="w">    </span>uwsgi<span class="w"> </span>uwsgi-plugin-python<span class="w"> </span><span class="se">\</span>
    78. 

  78. <span class="w">    </span>git<span class="w"> </span>base-devel<span class="w"> </span>libxml2
    79. 

  79. </pre></div>
    80. 

  80. </div>
    81. 

  81. </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>
    82. 

  82. <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>
    83. 

  83. <span class="w">    </span>uwsgi<span class="w"> </span>uwsgi-plugin-python3<span class="w"> </span><span class="se">\</span>
    84. 

  84. <span class="w">    </span>git<span class="w"> </span>@development-tools<span class="w"> </span>libxml2<span class="w"> </span>openssl
    85. 

  85. </pre></div>
    86. 

  86. </div>
    87. 

  87. </div></div>
    88. 

  88. <p>and packages needed to build documentation and run tests:</p>
    89. 

  89. <div class="sphinx-tabs docutils container">
    90. 

  90. <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>
    91. 

  91. <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>
    92. 

  92. <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>
    93. 

  93. <span class="w">    </span>latexmk<span class="w"> </span>shellcheck
    94. 

  94. </pre></div>
    95. 

  95. </div>
    96. 

  96. </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>
    97. 

  97. <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>
    98. 

  98. <span class="w">    </span>texlive-core<span class="w"> </span>texlive-latexextra<span class="w"> </span>ttf-dejavu<span class="w"> </span>shellcheck
    99. 

  99. </pre></div>
    100. 

  100. </div>
    101. 

  101. </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>
    102. 

  102. <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>
    103. 

  103. <span class="w">    </span>texlive-xetex-bin<span class="w"> </span>texlive-collection-fontsrecommended<span class="w"> </span><span class="se">\</span>
    104. 

  104. <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>
    105. 

  105. <span class="w">    </span>dejavu-sans-mono-fonts<span class="w"> </span>ShellCheck
    106. 

  106. </pre></div>
    107. 

  107. </div>
    108. 

  108. </div></div>
    109. 

  109. </section>
    110. 

  110. <section id="build-docs">
    111. 

  111. <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>
    112. 

  112. <aside class="sidebar">
    113. 

  113. <p class="sidebar-title">Sphinx build needs</p>
    114. 

  114. <ul class="simple">
    115. 

  115. <li><p><a class="reference external" href="https://www.imagemagick.org">ImageMagick</a></p></li>
    116. 

  116. <li><p><a class="reference external" href="https://graphviz.gitlab.io">Graphviz</a></p></li>
    117. 

  117. <li><p><a class="reference external" href="https://tug.org/xetex/">XeTeX</a></p></li>
    118. 

  118. <li><p><a class="reference external" href="https://dvisvgm.de/">dvisvgm</a></p></li>
    119. 

  119. </ul>
    120. 

  120. </aside>
    121. 

  121. <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
    122. 

  122. 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
    123. 

  123. image processing additional packages are needed.  The <a class="reference external" href="https://tug.org/xetex/">XeTeX</a> needed not only for
    124. 

  124. 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>
    125. 

  125. <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 v8.3.0)"><span>Math support for HTML outputs in Sphinx</span></a> without CDNs, the math are rendered
    126. 

  126. as images (<code class="docutils literal notranslate"><span class="pre">sphinx.ext.imgmath</span></code> extension).</p>
    127. 

  127. <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
    128. 

  128. to <code class="docutils literal notranslate"><span class="pre">imgmath</span></code>:</p>
    129. 

  129. <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>
    130. 

  130. <span class="n">imgmath_image_format</span> <span class="o">=</span> <span class="s1">&#39;svg&#39;</span>
    131. 

  131. <span class="n">imgmath_font_size</span> <span class="o">=</span> <span class="mi">14</span>
    132. 

  132. </pre></div>
    133. 

  133. </div>
    134. 

  134. <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>
    135. 

  135. <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> \
    136. 

  136.          <span class="n">graphviz</span> <span class="kn">from</span><span class="w"> </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>
    137. 

  137. <span class="o">..</span>
    138. 

  138. <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> \
    139. 

  139.          <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>
    140. 

  140. </pre></div>
    141. 

  141. </div>
    142. 

  142. <p>you need to install additional packages on your build host, to get better HTML
    143. 

  143. output (<a class="reference internal" href="#searxng-sh-install-buildhost"><span class="std std-ref">install buildhost</span></a>).</p>
    144. 

  144. <div class="sphinx-tabs docutils container">
    145. 

  145. <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
    146. 

  146. </pre></div>
    147. 

  147. </div>
    148. 

  148. </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
    149. 

  149. </pre></div>
    150. 

  150. </div>
    151. 

  151. </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
    152. 

  152. </pre></div>
    153. 

  153. </div>
    154. 

  154. </div></div>
    155. 

  155. <p>For PDF output you also need:</p>
    156. 

  156. <div class="sphinx-tabs docutils container">
    157. 

  157. <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
    158. 

  158. </pre></div>
    159. 

  159. </div>
    160. 

  160. </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
    161. 

  161. </pre></div>
    162. 

  162. </div>
    163. 

  163. </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>
    164. 

  164. <span class="w">    </span>texlive-collection-fontsrecommended<span class="w"> </span>texlive-collection-latex<span class="w"> </span><span class="se">\</span>
    165. 

  165. <span class="w">    </span>dejavu-sans-fonts<span class="w"> </span>dejavu-serif-fonts<span class="w"> </span>dejavu-sans-mono-fonts
    166. 

  166. </pre></div>
    167. 

  167. </div>
    168. 

  168. </div></div>
    169. 

  169. </section>
    170. 

  170. <section id="lint-shell-scripts">
    171. 

  171. <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>
    172. 

  172. <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
    173. 

  173. (<a class="reference internal" href="#searxng-sh-install-buildhost"><span class="std std-ref">install buildhost</span></a>).</p>
    174. 

  174. <div class="sphinx-tabs docutils container">
    175. 

  175. <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
    176. 

  176. </pre></div>
    177. 

  177. </div>
    178. 

  178. </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
    179. 

  179. </pre></div>
    180. 

  180. </div>
    181. 

  181. </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
    182. 

  182. </pre></div>
    183. 

  183. </div>
    184. 

  184. </div></div>
    185. 

  185. </section>
    186. 

  186. </section>
    187. 

  187. 

  188. 

  189.             <div class="clearer"></div>
    190. 

  190.           </div>
    191. 

  191.         </div>
    192. 

  192.       </div>
    193. 

  193.   <span id="sidebar-top"></span>
    194. 

  194.       <div class="sphinxsidebar" role="navigation" aria-label="Main">
    195. 

  195.         <div class="sphinxsidebarwrapper">
    196. 

  196.   
    197. 

  197.     
    198. 

  198.             <p class="logo"><a href="../index.html">
    199. 

  199.               <img class="logo" src="../_static/searxng-wordmark.svg" alt="Logo of SearXNG"/>
    200. 

  200.             </a></p>
    201. 

  201.   
    202. 

  202. 

  203. <h3><a href="../index.html">Table of Contents</a></h3>
    204. 

  204. <ul class="current">
    205. 

  205. <li class="toctree-l1"><a class="reference internal" href="../user/index.html">User information</a></li>
    206. 

  206. <li class="toctree-l1"><a class="reference internal" href="../own-instance.html">Why use a private instance?</a></li>
    207. 

  207. <li class="toctree-l1 current"><a class="reference internal" href="index.html">Administrator documentation</a><ul class="current">
    208. 

  208. <li class="toctree-l2"><a class="reference internal" href="settings/index.html">Settings</a></li>
    209. 

  209. <li class="toctree-l2"><a class="reference internal" href="installation.html">Installation</a></li>
    210. 

  210. <li class="toctree-l2"><a class="reference internal" href="installation-docker.html">Docker Container</a></li>
    211. 

  211. <li class="toctree-l2"><a class="reference internal" href="installation-scripts.html">Installation Script</a></li>
    212. 

  212. <li class="toctree-l2"><a class="reference internal" href="installation-searxng.html">Step by step installation</a></li>
    213. 

  213. <li class="toctree-l2"><a class="reference internal" href="installation-uwsgi.html">uWSGI</a></li>
    214. 

  214. <li class="toctree-l2"><a class="reference internal" href="installation-nginx.html">NGINX</a></li>
    215. 

  215. <li class="toctree-l2"><a class="reference internal" href="installation-apache.html">Apache</a></li>
    216. 

  216. <li class="toctree-l2"><a class="reference internal" href="update-searxng.html">SearXNG maintenance</a></li>
    217. 

  217. <li class="toctree-l2"><a class="reference internal" href="answer-captcha.html">Answer CAPTCHA from server’s IP</a></li>
    218. 

  218. <li class="toctree-l2"><a class="reference internal" href="searx.favicons.html">Favicons</a></li>
    219. 

  219. <li class="toctree-l2"><a class="reference internal" href="searx.limiter.html">Limiter</a></li>
    220. 

  220. <li class="toctree-l2"><a class="reference internal" href="api.html">Administration API</a></li>
    221. 

  221. <li class="toctree-l2"><a class="reference internal" href="architecture.html">Architecture</a></li>
    222. 

  222. <li class="toctree-l2"><a class="reference internal" href="plugins.html">List of plugins</a></li>
    223. 

  223. <li class="toctree-l2 current"><a class="current reference internal" href="#">Buildhosts</a><ul>
    224. 

  224. <li class="toctree-l3"><a class="reference internal" href="#build-and-development-tools">Build and Development tools</a></li>
    225. 

  225. <li class="toctree-l3"><a class="reference internal" href="#build-docs">Build docs</a></li>
    226. 

  226. <li class="toctree-l3"><a class="reference internal" href="#lint-shell-scripts">Lint shell scripts</a></li>
    227. 

  227. </ul>
    228. 

  228. </li>
    229. 

  229. </ul>
    230. 

  230. </li>
    231. 

  231. <li class="toctree-l1"><a class="reference internal" href="../dev/index.html">Developer documentation</a></li>
    232. 

  232. <li class="toctree-l1"><a class="reference internal" href="../utils/index.html">DevOps tooling box</a></li>
    233. 

  233. <li class="toctree-l1"><a class="reference internal" href="../src/index.html">Source-Code</a></li>
    234. 

  234. </ul>
    235. 

  235. 

  236.   <h3>Project Links</h3>
    237. 

  237.   <ul>
    238. 

  238.     <li><a href="https://github.com/searxng/searxng/tree/master">Source</a>
    239. 

  239.   
    240. 

  240.     <li><a href="https://github.com/searxng/searxng/wiki">Wiki</a>
    241. 

  241.   
    242. 

  242.     <li><a href="https://searx.space">Public instances</a>
    243. 

  243.   
    244. 

  244.     <li><a href="https://github.com/searxng/searxng/issues">Issue Tracker</a>
    245. 

  245.   </ul><h3>Navigation</h3>
    246. 

  246. <ul>
    247. 

  247.   <li><a href="../index.html">Overview</a>
    248. 

  248.     <ul>
    249. 

  249.       <li><a href="index.html">Administrator documentation</a>
    250. 

  250.         <ul>
    251. 

  251.           <li>Previous: <a href="plugins.html" title="previous chapter">List of plugins</a>
    252. 

  252.           <li>Next: <a href="../dev/index.html" title="next chapter">Developer documentation</a></ul>
    253. 

  253.       </li>
    254. 

  254.     </ul>
    255. 

  255.   </li>
    256. 

  256. </ul>
    257. 

  257. <search id="searchbox" style="display: none" role="search">
    258. 

  258.   <h3 id="searchlabel">Quick search</h3>
    259. 

  259.     <div class="searchformwrapper">
    260. 

  260.     <form class="search" action="../search.html" method="get">
    261. 

  261.       <input type="text" name="q" aria-labelledby="searchlabel" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"/>
    262. 

  262.       <input type="submit" value="Go" />
    263. 

  263.     </form>
    264. 

  264.     </div>
    265. 

  265. </search>
    266. 

  266. <script>document.getElementById('searchbox').style.display = "block"</script>
    267. 

  267.   <div role="note" aria-label="source link">
    268. 

  268.     <h3>This Page</h3>
    269. 

  269.     <ul class="this-page-menu">
    270. 

  270.       <li><a href="../_sources/admin/buildhosts.rst.txt"
    271. 

  271.             rel="nofollow">Show Source</a></li>
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    273. 

  273.    </div>
    274. 

  274.         </div>
    275. 

  275.       </div>
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    279. 

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