Ubuntu释放VMware虚拟磁盘未使用空间
 2023.08.26    |      实用技巧    |     AilsonJack    |     暂无评论    |     37 views
By: AilsonJack
Date: 2023-08-26
个人博客: http://www.only2fire.com/
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.CodeMirror-gutter-filler, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler, .CodeMirror-vscrollbar { position: absolute; z-index: 6; display: none; outline: 0px; } .CodeMirror-vscrollbar { right: 0px; top: 0px; overflow: hidden; } .CodeMirror-hscrollbar { bottom: 0px; left: 0px; overflow: auto hidden; } .CodeMirror-scrollbar-filler { right: 0px; bottom: 0px; } .CodeMirror-gutter-filler { left: 0px; bottom: 0px; } .CodeMirror-gutters { position: absolute; left: 0px; top: 0px; padding-bottom: 10px; z-index: 3; overflow-y: hidden; } .CodeMirror-gutter { white-space: normal; height: 100%; box-sizing: content-box; padding-bottom: 30px; margin-bottom: -32px; display: inline-block; } .CodeMirror-gutter-wrapper { position: absolute; z-index: 4; background: 0px 0px !important; border: none !important; } .CodeMirror-gutter-background { position: absolute; top: 0px; bottom: 0px; z-index: 4; } .CodeMirror-gutter-elt { position: absolute; cursor: default; z-index: 4; } .CodeMirror-lines { 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4px; font-size: 0.9em; color: inherit; } .md-tag { color: #a7a7a7; opacity: 1; } .md-toc { margin-top:20px; padding-bottom:20px; } .sidebar-tabs { border-bottom: none; } #typora-quick-open { border: 1px solid #ddd; background-color: #f8f8f8; } #typora-quick-open-item { background-color: #FAFAFA; border-color: #FEFEFE #e5e5e5 #e5e5e5 #eee; border-style: solid; border-width: 1px; } /** focus mode */ .on-focus-mode blockquote { border-left-color: rgba(85, 85, 85, 0.12); } header, .context-menu, .megamenu-content, footer{ font-family: "Segoe UI", "Arial", sans-serif; } .file-node-content:hover .file-node-icon, .file-node-content:hover .file-node-open-state{ visibility: visible; } .mac-seamless-mode #typora-sidebar { background-color: #fafafa; background-color: var(--side-bar-bg-color); } .md-lang { color: #b4654d; } /*.html-for-mac { --item-hover-bg-color: #E6F0FE; }*/ #md-notification .btn { border: 0; } .dropdown-menu .divider { border-color: #e5e5e5; opacity: 0.4; } .ty-preferences .window-content { background-color: #fafafa; } .ty-preferences .nav-group-item.active { color: white; background: #999; } .menu-item-container a.menu-style-btn { background-color: #f5f8fa; background-image: linear-gradient( 180deg , hsla(0, 0%, 100%, 0.8), hsla(0, 0%, 100%, 0)); }</style><title>Ubuntu释放VMware虚拟磁盘未使用空间</title><p>在Windows 11中通过VMware安装Ubuntu 22.04做一些Linux相关的学习,刚安装的时候VMware虚拟磁盘空间也就6~7GB,但是没用几天,VMware虚拟磁盘空间就飙升到了20GB左右,着实吓人,下面讲讲如何释放VMware虚拟磁盘未使用空间,达到减小VMware虚拟磁盘占用空间的目的。</p><p>下述内容有参考一些网友的文章,经过下述步骤VMware虚拟磁盘空间从20GB左右减少到10GB左右,释放了10GB空间,效果还是很明显的。</p><h2 id="清除apt缓存">清除apt缓存</h2><p>打开终端,并运行以下命令,可以查看到apt缓存有多少:</p><pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="bash">sudo&nbsp;du&nbsp;-sh&nbsp;/var/cache/apt/archives</pre><p>如果你的Ubuntu系统已经使用很久的话,你将看到这个数字非常大。此时可以通过运行以下命令来清理apt缓存:</p><pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="bash">xxxxxxxxxxsudo&nbsp;apt&nbsp;clean</pre><h2 id="清空回收站">清空回收站</h2><p>将回收站中的文件清空,为后续释放VMware虚拟磁盘空间做准备。</p><h2 id="删除vmware-draganddrop文件夹">删除VMware drag_and_drop文件夹</h2><p><code>~/.cache/vmware/drag_and_drop</code>文件夹是平时从Windows11拷贝文件到Ubuntu中的缓存,执行下述命令删除这些缓存内容。</p><pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="bash">xxxxxxxxxxrm&nbsp;-rf&nbsp;~/.cache/vmware/drag_and_drop</pre><h2 id="查看磁盘占用情况">查看磁盘占用情况</h2><p>在命令行执行命令<code>baobab</code>(baobab是Ubuntu自带的磁盘分析工具),可以知道磁盘的占用情况,我这里将<code>/</code>和<code>/home</code>是挂载到单独的分区的,因此分区工具也列出了<code>/</code>和<code>/home</code>各自的磁盘占用情况。</p><p><code>/</code>目录磁盘占用情况:</p><p style="text-align:center"><img src="/uploads/AilsonJack/2023.08.26/223105532020749.png" onclick="preview_image(&#39;/uploads/AilsonJack/2023.08.26/223105532020749.png&#39;)"/></p><p><code>/home</code>目录磁盘占用情况:</p><p style="text-align:center"><img src="/uploads/AilsonJack/2023.08.26/223106533381426.png" onclick="preview_image(&#39;/uploads/AilsonJack/2023.08.26/223106533381426.png&#39;)"/></p><p>根据磁盘占用情况,可以删除一些无用的文件。</p><h2 id="释放未使用到的磁盘空间">释放未使用到的磁盘空间</h2><p><strong>用0填充挂载点未使用的空间,然后删除填充文件,这样VMware就明确的知道这些空间是未被使用的,为后续的<code>shrink</code>操作能够有效的减小VMware虚拟磁盘空间提供基础</strong>。</p><p>我的Ubuntu系统将<code>/</code>和<code>/home</code>是挂载到单独的分区的,如下图所示<code>/dev/sda4</code>挂载到<code>/</code>,<code>/dev/sda5</code>挂载到<code>/home</code>:</p><p style="text-align:center"><img src="/uploads/AilsonJack/2023.08.26/223106455058402.png" onclick="preview_image(&#39;/uploads/AilsonJack/2023.08.26/223106455058402.png&#39;)"/></p><p>从上图可以看出<code>/</code>和<code>/home</code>分配的空间都比较大,<code>/</code>分区大小为113GB,<code>/home</code>分区大小为133GB,因此释放空间也主要从<code>/</code>和<code>/home</code>入手,如果你有其他挂载点占用空间比较大,也可以按照下述步骤释放空间。</p><h3 id="释放挂载点未使用到的空间">释放<code>/</code>挂载点未使用到的空间</h3><p>用0填充<code>/</code>挂载点未使用到的空间,命令如下:</p><pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="bash">xxxxxxxxxxsudo&nbsp;dd&nbsp;if=/dev/zero&nbsp;of=/wipefile&nbsp;bs=1M</pre><p>将缓存文件同步到磁盘,命令如下:</p><pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="bash">xxxxxxxxxxsudo&nbsp;sync</pre><p>删除填充文件,命令如下:</p><pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="bash">xxxxxxxxxxsudo&nbsp;rm&nbsp;-rf&nbsp;/wipefile</pre><p>执行下述命令,释放<code>/</code>挂载点未使用到的空间:</p><pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="bash">xxxxxxxxxxsudo&nbsp;/usr/bin/vmware-toolbox-cmd&nbsp;disk&nbsp;shrink&nbsp;/</pre><h3 id="释放home挂载点未使用到的空间">释放<code>/home</code>挂载点未使用到的空间</h3><p>该步骤根据自己实际的分区情况进行选择使用。</p><p>用0填充<code>/home</code>挂载点未使用到的空间,命令如下:</p><pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="bash">xxxxxxxxxxsudo&nbsp;dd&nbsp;if=/dev/zero&nbsp;of=/home/wipefile&nbsp;bs=1M</pre><p>将缓存文件同步到磁盘,命令如下:</p><pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="bash">xxxxxxxxxxsudo&nbsp;sync</pre><p>删除填充文件,命令如下:</p><pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="bash">xxxxxxxxxxsudo&nbsp;rm&nbsp;-rf&nbsp;/home/wipefile</pre><p>执行下述命令,释放<code>/home</code>挂载点未使用到的空间:</p><pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="bash">xxxxxxxxxxsudo&nbsp;/usr/bin/vmware-toolbox-cmd&nbsp;disk&nbsp;shrink&nbsp;/home</pre><h2 id="使用vmware软件对磁盘进行一些操作">使用VMware软件对磁盘进行一些操作</h2><p>执行完上述操作之后,关闭Ubuntu,然后在VMware界面中点击<code>编辑虚拟机设置</code>,在<code>虚拟机设置</code>界面中先点击<code>压缩</code>按钮对虚拟机磁盘进行压缩,之后点击<code>碎片整理</code>,最后关闭<code>虚拟机设置</code>界面。</p><p style="text-align:center"><img src="/uploads/AilsonJack/2023.08.26/223106341751618.png" onclick="preview_image(&#39;/uploads/AilsonJack/2023.08.26/223106341751618.png&#39;)"/></p><p>到这一步,看看Windows 11中Ubuntu的VMware虚拟磁盘空间是不是变的比以前小多了。</p><!--!doctype-->
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