硬盘空间释放 - 麒麟桌面一本�?/title> <meta name="description" content="银河麒麟桌面操作系统磁盘分区空间释放指南，帮助用户解决根目录占满、无法登录及大文件定位清理等问题�?> <meta name="keywords" content="银河麒麟, 磁盘清理, 空间释放, 根目录占�? du命令, 垃圾文件清理, 日志压缩">  <meta property="og:title" content="硬盘空间释放 - 麒麟桌面一本�?> <meta property="og:description" content="当你的麒麟系统磁盘不足时，这份指南将教你如何安全地定位并清理冗余文件�?> <meta property="og:type" content="article">   <link rel="preconnect" href="//api.ygwid.cn" crossorigin> <link rel="dns-prefetch" href="//api.ygwid.cn">  <link rel="preload" href="/api/bootstrap" as="fetch" crossorigin> <link rel="preload" href="../../css/style.css" as="style"> <link rel="preload" href="../../fonts/PlusJakartaSans-Bold.ttf" as="font" type="font/ttf" crossorigin> <link rel="preload" href="../../fonts/PlusJakartaSans-Regular.ttf" as="font" type="font/ttf" crossorigin> <link rel="stylesheet" href="../../css/style.css"> <link rel="stylesheet" href="../css/styles.css"> </head> <body> <div class="bg-blob blob-1"></div> <div class="bg-blob blob-2"></div> <div class="bg-blob blob-3"></div> <main class="main-content"> <div class="faq-container"> <header class="guide-header"> <a class="back-to-faq" href="javascript:void(0)" onclick="history.length > 1 ? history.back() : location.href='/faq/'" title="返回上一�?> <svg fill="none" stroke="currentColor" stroke-width="2" viewbox="0 0 24 24"> <path d="M19 12H5M12 19l-7-7 7-7"></path> </svg> </a> <h1 class="guide-title"><span class="gradient-text">硬盘分区空间释放指南</span></h1> </header> <div class="page-layout"> <nav class="toc-sidebar"> <h3><svg class="ui-svg-icon me-2" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="8" y1="6" x2="21" y2="6"></line><line x1="8" y1="12" x2="21" y2="12"></line><line x1="8" y1="18" x2="21" y2="18"></line><line x1="3" y1="6" x2="3.01" y2="6"></line><line x1="3" y1="12" x2="3.01" y2="12"></line><line x1="3" y1="18" x2="3.01" y2="18"></line></svg> 目录</h3> <ul class="toc-list"> <li><a href="#sec-troubleshoot">1. 现象分析与前置检�?/a></li> <li><a href="#sec-locate">2. 步步为营：定位大文件�?/a></li> <li><a href="#sec-clean">3. 安全清理大文�?/a></li> <li><a href="#sec-emergency">4. 应急：无法进入图形界面</a></li> </ul> </nav> <div class="main-content-area">  <div class="content-section" id="sec-troubleshoot"> <h2 id="现象分析与前置检�?>1. 现象分析与前置检�?/h2> <div class="info-block problem"> <div class="info-header">典型现象</div> <p>分区空间突然占满（通常是根分区 <code>/</code> 或家目录 <code>/home</code>），导致系统卡顿、软件无法打开，甚至无法登录桌面�? </p> </div> <p><strong>常见原因�?/strong></p> <ul> <li>软件异常生成的巨型日志文件（通常�?<code>/var/log</code>）�?/li> <li>回收站积压了大量未清空的超大文件�?/li> <li>系统缓存或临时文件（<code>/tmp</code>）未正常释放�?/li> </ul> <div class="info-block solution"> <div class="info-header"><svg class="ui-svg-icon me-1" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M12 2l3.09 6.26L22 9.27l-5 4.87 1.18 6.88L12 17.77l-6.18 3.25L7 14.14l-5-4.87 6.91-1.01L12 2z"></path></svg> 快速解决：使用自动清理工具</div> <p>如果您觉得手动查找过于繁琐，可以下载使用 <strong>Kylin 清理程序 (v1.3.7)</strong>。它支持一键识别下载目录、桌面、文档等位置的办公缓存，并提供定时自动清理功能�? </p> <a href="kylin_cleanup.html" class="btn btn-download" style="margin-top: 10px; display: inline-flex;">立即了解并下载工�?/a> </div> </div>  <div class="content-section" id="sec-locate"> <h2 id="步步为营定位大文件夹">2. 步步为营：定位大文件�?/h2> <div class="step-card"> <div class="step-number">2.1</div> <div class="step-content"> <h3>从根目录开始检�?/h3> <p>在桌面上右键选择<strong>“打开终端�?/strong>，输入以下命令（按文件大小从大到小排列）�? </p> <div class="command-item"> <div class="command-desc">从根目录检索占用空间（按大小排序） </div> <pre class="language-bash"><code class="language-bash">sudo du -sh /[!.]* * | sort -hr</code></pre> </div> <img alt="检索大目录" class="doc-image" loading="lazy" src="../images/img_36.webp" /> <p>等待检索完成后，观察哪个顶级目录占用最高（�?<code>/var</code> �? <code>/opt</code>）�? </p> </div> </div> <div class="step-card"> <div class="step-number">2.2</div> <div class="step-content"> <h3>逐级向下追踪</h3> <p>针对占用最高的可疑目录（例�?<code>/var</code>）继续深挖：</p> <div class="command-item"> <div class="command-desc">逐级向下追踪（示例：查询 /var 目录�? </div> <pre class="language-bash"><code class="language-bash">sudo du -sh /var/* | sort -hr</code></pre> </div> <img alt="深度追踪" class="doc-image" loading="lazy" src="../images/img_39.webp" /> <p>重复此过程，直到锁定具体的异常大文件（通常�?<code>.log</code> 后缀的文件）�?/p> </div> </div> </div>  <div class="content-section" id="sec-clean"> <h2 id="安全清理大文�?>3. 安全清理大文�?/h2> <div class="info-block warning"> <div class="info-header">慎重操作</div> <p>在执行删除前，请务必确认该文件不是系统核心组件或重要的个人数据�?/p> </div> <div class="step-card"> <div class="step-number">3.1</div> <div class="step-content"> <h3>执行删除指令</h3> <div class="command-item"> <div class="command-desc">执行删除指令</div> <pre class="language-bash"><code class="language-bash">sudo rm -f [待删除的文件名]</code></pre> </div> <img alt="执行删除" class="doc-image" loading="lazy" src="../images/img_42.webp" /> </div> </div> <div class="step-card"> <div class="step-number">3.2</div> <div class="step-content"> <h3>深度技巧：处理被占用的文件</h3> <p><strong>现象�?/strong>删除了大文件，但 <code>df -h</code> 显示空间并未释放�?br> <strong>原因�?/strong>仍有运行中的程序在使用该文件的“句柄”�?br> <strong>对策�?/strong>重启系统，或执行以下命令释放�? </p> <div class="command-item"> <div class="command-desc">查找已删除但仍被进程占用的文�?/div> <pre class="language-bash"><code class="language-bash">lsof | grep deleted</code></pre> </div> </div> </div> </div>  <div class="content-section" id="sec-emergency"> <h2 id="应急无法进入图形界�?>4. 应急：无法进入图形界面</h2> <div class="info-block note"> <div class="info-header">TTY 命令行清�?/div> <p>如果空间�?100% 占满导致无法登录桌面，请尝试以下步骤�?/p> </div> <ol> <li>在登录界面按 <strong>Ctrl + Alt + F2</strong> (�?F3-F6) 进入黑屏字符终端�? </li> <li>输入用户名和密码登录�?/li> <li><strong>快速释放空间：</strong>执行以下命令清理系统日志和缓存： <div class="command-item"> <div class="command-desc">快速释放空间：清理日志与缓�?/div> <pre class="language-bash"><code class="language-bash"># 清理所有日志文�? sudo rm -rf /var/log/*.log # 清理软件安装包缓�? sudo apt-get clean</code></pre> </div> </li> <li><strong>重启桌面�?/strong>完成清理后执�?<code>sudo reboot</code> 或按 <strong>Ctrl + Alt + F7</strong> 返回图形界面�? </li> </ol> </div> </div> </div> </div> </main> <div id="footer-container"></div> <script src="../../js/components.js" defer></script> <script src="../js/toc.js" defer></script> <script src="../js/prism.js" defer></script> <script src="../js/copy-code.js" defer></script> </body> </html>