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docs/linux/yum.html
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<p><strong>yum命令</strong> 是在Fedora和RedHat以及SUSE中基于rpm的软件包管理器，它可以使系统管理人员交互和自动化地更细与管理RPM软件包，能够从指定的服务器自动下载RPM包并且安装，可以自动处理依赖性关系，并且一次安装所有依赖的软体包，无须繁琐地一次次下载、安装。</p>
<p>yum提供了查找、安装、删除某一个、一组甚至全部软件包的命令，而且命令简洁而又好记。</p>
<h3 id="语法">语法</h3>
<pre><code>yum(选项)(参数)</code></pre>
<pre><code class="language-bash">yum(选项)(参数)</code></pre>
<h3 id="选项">选项</h3>
<pre><code>-h：显示帮助信息；
<pre><code class="language-bash">-h：显示帮助信息；
-y：对所有的提问都回答“yes”；
-c：指定配置文件；
-q：安静模式；
@@ -16,7 +16,7 @@
-R：设置yum处理一个命令的最大等待时间；
-C：完全从缓存中运行，而不去下载或者更新任何头文件。</code></pre>
<h3 id="参数">参数</h3>
<pre><code>install：安装rpm软件包；
<pre><code class="language-bash">install：安装rpm软件包；
update：更新rpm软件包；
check-update：检查是否有可用的更新rpm软件包；
remove：删除指定的rpm软件包；
@@ -37,17 +37,17 @@ deplist：显示rpm软件包的所有依赖关系。</code></pre>
<li>查看可能批量安装的列表：<code>yum grouplist</code></li>
</ul>
<p><strong>安装</strong></p>
<div class="sourceCode" id="cb4"><pre class="sourceCode bash"><code class="sourceCode bash"><a class="sourceLine" id="cb4-1" data-line-number="1"><span class="ex">yum</span> install #全部安装</a>
<div class="sourceCode" id="cb4"><pre><code class="language-bash"><a class="sourceLine" id="cb4-1" data-line-number="1"><span class="ex">yum</span> install #全部安装</a>
<a class="sourceLine" id="cb4-2" data-line-number="2"><span class="ex">yum</span> install package1 #安装指定的安装包package1</a>
<a class="sourceLine" id="cb4-3" data-line-number="3"><span class="ex">yum</span> groupinsall group1 #安装程序组group1</a></code></pre></div>
<p><strong>更新和升级</strong></p>
<div class="sourceCode" id="cb5"><pre class="sourceCode bash"><code class="sourceCode bash"><a class="sourceLine" id="cb5-1" data-line-number="1"><span class="ex">yum</span> update #全部更新</a>
<div class="sourceCode" id="cb5"><pre><code class="language-bash"><a class="sourceLine" id="cb5-1" data-line-number="1"><span class="ex">yum</span> update #全部更新</a>
<a class="sourceLine" id="cb5-2" data-line-number="2"><span class="ex">yum</span> update package1 #更新指定程序包package1</a>
<a class="sourceLine" id="cb5-3" data-line-number="3"><span class="ex">yum</span> check-update #检查可更新的程序</a>
<a class="sourceLine" id="cb5-4" data-line-number="4"><span class="ex">yum</span> upgrade package1 #升级指定程序包package1</a>
<a class="sourceLine" id="cb5-5" data-line-number="5"><span class="ex">yum</span> groupupdate group1 #升级程序组group1</a></code></pre></div>
<p><strong>查找和显示</strong></p>
<div class="sourceCode" id="cb6"><pre class="sourceCode bash"><code class="sourceCode bash"><a class="sourceLine" id="cb6-1" data-line-number="1"><span class="co"># 检查 MySQL 是否已安装</span></a>
<div class="sourceCode" id="cb6"><pre><code class="language-bash"><a class="sourceLine" id="cb6-1" data-line-number="1"><span class="co"># 检查 MySQL 是否已安装</span></a>
<a class="sourceLine" id="cb6-2" data-line-number="2"><span class="ex">yum</span> list installed <span class="kw">|</span> <span class="fu">grep</span> mysql</a>
<a class="sourceLine" id="cb6-3" data-line-number="3"><span class="ex">yum</span> list installed mysql*</a>
<a class="sourceLine" id="cb6-4" data-line-number="4"></a>
@@ -56,15 +56,15 @@ deplist：显示rpm软件包的所有依赖关系。</code></pre>
<a class="sourceLine" id="cb6-7" data-line-number="7"><span class="ex">yum</span> list package1 #显示指定程序包安装情况package1</a>
<a class="sourceLine" id="cb6-8" data-line-number="8"><span class="ex">yum</span> groupinfo group1 #显示程序组group1信息yum search string 根据关键字string查找安装包</a></code></pre></div>
<p><strong>删除程序</strong></p>
<div class="sourceCode" id="cb7"><pre class="sourceCode bash"><code class="sourceCode bash"><a class="sourceLine" id="cb7-1" data-line-number="1"><span class="ex">yum</span> remove <span class="kw">&amp;</span>#<span class="ex">124</span><span class="kw">;</span> <span class="ex">erase</span> package1 #删除程序包package1</a>
<div class="sourceCode" id="cb7"><pre><code class="language-bash"><a class="sourceLine" id="cb7-1" data-line-number="1"><span class="ex">yum</span> remove <span class="kw">&amp;</span>#<span class="ex">124</span><span class="kw">;</span> <span class="ex">erase</span> package1 #删除程序包package1</a>
<a class="sourceLine" id="cb7-2" data-line-number="2"><span class="ex">yum</span> groupremove group1 #删除程序组group1</a>
<a class="sourceLine" id="cb7-3" data-line-number="3"><span class="ex">yum</span> deplist package1 #查看程序package1依赖情况</a></code></pre></div>
<p><strong>清除缓存</strong></p>
<div class="sourceCode" id="cb8"><pre class="sourceCode bash"><code class="sourceCode bash"><a class="sourceLine" id="cb8-1" data-line-number="1"><span class="ex">yum</span> clean packages #清除缓存目录下的软件包</a>
<div class="sourceCode" id="cb8"><pre><code class="language-bash"><a class="sourceLine" id="cb8-1" data-line-number="1"><span class="ex">yum</span> clean packages #清除缓存目录下的软件包</a>
<a class="sourceLine" id="cb8-2" data-line-number="2"><span class="ex">yum</span> clean headers #清除缓存目录下的 headers</a>
<a class="sourceLine" id="cb8-3" data-line-number="3"><span class="ex">yum</span> clean oldheaders #清除缓存目录下旧的 headers</a></code></pre></div>
<p><strong>更多实例</strong></p>
<pre><code># yum
<pre><code class="language-bash"># yum
/etc/yum.repos.d/ yum 源配置文件
vi /etc/yum.repos.d/nginx.repo # 举个栗子: nginx yum源
[nginx]