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<section id="redis">
<span id="settings-redis"></span><h1><code class="docutils literal notranslate"><span class="pre">redis:</span></code><a class="headerlink" href="#redis" title="Link to this heading">¶</a></h1>
<p>A redis DB can be connected by an URL, in <a class="reference internal" href="../../src/searx.redisdb.html#module-searx.redisdb" title="searx.redisdb"><code class="xref py py-obj docutils literal notranslate"><span class="pre">searx.redisdb</span></code></a> you
will find a description to test your redis connection in SearXNG. When using
sockets, don’t forget to check the access rights on the socket:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">ls</span> <span class="o">-</span><span class="n">la</span> <span class="o">/</span><span class="n">usr</span><span class="o">/</span><span class="n">local</span><span class="o">/</span><span class="n">searxng</span><span class="o">-</span><span class="n">redis</span><span class="o">/</span><span class="n">run</span><span class="o">/</span><span class="n">redis</span><span class="o">.</span><span class="n">sock</span>
<span class="n">srwxrwx</span><span class="o">---</span> <span class="mi">1</span> <span class="n">searxng</span><span class="o">-</span><span class="n">redis</span> <span class="n">searxng</span><span class="o">-</span><span class="n">redis</span> <span class="o">...</span> <span class="o">/</span><span class="n">usr</span><span class="o">/</span><span class="n">local</span><span class="o">/</span><span class="n">searxng</span><span class="o">-</span><span class="n">redis</span><span class="o">/</span><span class="n">run</span><span class="o">/</span><span class="n">redis</span><span class="o">.</span><span class="n">sock</span>
</pre></div>
</div>
<p>In this example read/write access is given to the <em>searxng-redis</em> group. To get
access rights to redis instance (the socket), your SearXNG (or even your
developer) account needs to be added to the <em>searxng-redis</em> group.</p>
<dl>
<dt><code class="docutils literal notranslate"><span class="pre">url</span></code><span class="classifier"><code class="docutils literal notranslate"><span class="pre">$SEARXNG_REDIS_URL</span></code></span></dt><dd><p>URL to connect redis database, see <a class="reference external" href="https://redis-py.readthedocs.io/en/stable/connections.html#redis.client.Redis.from_url">Redis.from_url(url)</a> & <a class="reference internal" href="../../src/searx.redisdb.html#redis-db"><span class="std std-ref">Redis DB</span></a>:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>redis://[[username]:[password]]@localhost:6379/0
rediss://[[username]:[password]]@localhost:6379/0
unix://[[username]:[password]]@/path/to/socket.sock?db=0
</pre></div>
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</dd>
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<section id="redis-developer-notes">
<span id="id1"></span><h2>Redis Developer Notes<a class="headerlink" href="#redis-developer-notes" title="Link to this heading">¶</a></h2>
<p>To set up a local redis instance, first set the socket path of the Redis DB
in your YAML setting:</p>
<div class="highlight-yaml notranslate"><div class="highlight"><pre><span></span><span class="nt">redis</span><span class="p">:</span>
<span class="w"> </span><span class="nt">url</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">unix:///usr/local/searxng-redis/run/redis.sock?db=0</span>
</pre></div>
</div>
<p>Then use the following commands to install the redis instance (<a class="reference internal" href="../../dev/makefile.html#manage-redis-help"><span class="std std-ref">./manage redis.help</span></a>):</p>
<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>./manage<span class="w"> </span>redis.build
$<span class="w"> </span>sudo<span class="w"> </span>-H<span class="w"> </span>./manage<span class="w"> </span>redis.install
$<span class="w"> </span>sudo<span class="w"> </span>-H<span class="w"> </span>./manage<span class="w"> </span>redis.addgrp<span class="w"> </span><span class="s2">"</span><span class="si">${</span><span class="nv">USER</span><span class="si">}</span><span class="s2">"</span>
<span class="c1"># don't forget to logout & login to get member of group</span>
</pre></div>
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