https://simplestory.github.io/en/tags/mysql/Recent content in Mysql on SimplestoryHugoen-usSimplestoryFri, 01 Dec 2017 00:00:00 +0000https://simplestory.github.io/en/posts/20171201_7eec743fae4833726b0d923cf6db1da6/Fri, 01 Dec 2017 00:00:00 +0000https://simplestory.github.io/en/posts/20171201_7eec743fae4833726b0d923cf6db1da6/<p><strong>Server version: 5.7.20-0ubuntu0.16.04.1 (Ubuntu)</strong></p> <p>After logging into MySQL, you can use the following command to query where the related files are stored:</p> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-sql" data-lang="sql"><span class="line"><span class="cl"><span class="k">show</span><span class="w"> </span><span class="n">variables</span><span class="w"> </span><span class="k">like</span><span class="w"> </span><span class="s1">&#39;%dir%&#39;</span><span class="p">;</span><span class="w"> </span></span></span></code></pre></div><p>The output is shown below:</p> <p><img loading="lazy" src="https://simplestory-blog-img.oss-cn-guangzhou.aliyuncs.com/in_posts/20171201/mysql.png" title="mysql"></p> <p>Usually these are:</p> <p>The default location of the database files is: <code>/usr/share/mysql/</code> Configuration file: <code>/etc/mysql/my.cnf</code></p> <p>Database directory: <code>/var/lib/mysql</code> Configuration directory: <code>/etc/share/mysql</code> (mysql.server command and configuration files) MySQL related commands: <code>/usr/bin</code> Startup scripts: <code>/etc/init.d/</code></p> <p><strong>One way to start mysql safely: /usr/bin/mysqld_safe-user=root&amp;</strong></p>