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86 lines
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86 lines
6.4 KiB
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<h1 id="yum">yum</h1>
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<p>基于RPM的软件包管理器</p>
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<h2 id="补充说明">补充说明</h2>
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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>
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<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>
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<h3 id="语法">语法</h3>
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<pre><code class="language-bash">yum(选项)(参数)</code></pre>
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<h3 id="选项">选项</h3>
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<pre><code class="language-bash">-h:显示帮助信息;
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-y:对所有的提问都回答“yes”;
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-c:指定配置文件;
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-q:安静模式;
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-v:详细模式;
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-d:设置调试等级(0-10);
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-e:设置错误等级(0-10);
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-R:设置yum处理一个命令的最大等待时间;
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-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>
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<h3 id="参数">参数</h3>
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<pre><code class="language-bash">install:安装rpm软件包;
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update:更新rpm软件包;
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check-update:检查是否有可用的更新rpm软件包;
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remove:删除指定的rpm软件包;
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list:显示软件包的信息;
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search:检查软件包的信息;
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info:显示指定的rpm软件包的描述信息和概要信息;
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clean:清理yum过期的缓存;
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shell:进入yum的shell提示符;
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resolvedep:显示rpm软件包的依赖关系;
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localinstall:安装本地的rpm软件包;
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localupdate:显示本地rpm软件包进行更新;
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deplist:显示rpm软件包的所有依赖关系。</code></pre>
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<h3 id="实例">实例</h3>
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<p>部分常用的命令包括:</p>
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<ul>
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<li>自动搜索最快镜像插件:<code>yum install yum-fastestmirror</code></li>
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<li>安装yum图形窗口插件:<code>yum install yumex</code></li>
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<li>查看可能批量安装的列表:<code>yum grouplist</code></li>
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</ul>
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<p><strong>安装</strong></p>
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<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>
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<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>
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<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>
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<p><strong>更新和升级</strong></p>
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<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>
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<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>
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<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>
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<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>
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<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>
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<p><strong>查找和显示</strong></p>
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<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>
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<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>
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<a class="sourceLine" id="cb6-3" data-line-number="3"><span class="ex">yum</span> list installed mysql*</a>
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<a class="sourceLine" id="cb6-4" data-line-number="4"></a>
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<a class="sourceLine" id="cb6-5" data-line-number="5"><span class="ex">yum</span> info package1 #显示安装包信息package1</a>
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<a class="sourceLine" id="cb6-6" data-line-number="6"><span class="ex">yum</span> list #显示所有已经安装和可以安装的程序包</a>
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<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>
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<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>
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<p><strong>删除程序</strong></p>
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<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">&</span>#<span class="ex">124</span><span class="kw">;</span> <span class="ex">erase</span> package1 #删除程序包package1</a>
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<a class="sourceLine" id="cb7-2" data-line-number="2"><span class="ex">yum</span> groupremove group1 #删除程序组group1</a>
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<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>
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<p><strong>清除缓存</strong></p>
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<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>
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<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>
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<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>
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<p><strong>更多实例</strong></p>
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<pre><code class="language-bash"># yum
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/etc/yum.repos.d/ yum 源配置文件
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vi /etc/yum.repos.d/nginx.repo # 举个栗子: nginx yum源
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[nginx]
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name=nginx repo
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baseurl=http://nginx.org/packages/centos/6/$basearch/
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gpgcheck=0
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enabled=1
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# yum mirror
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mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.bak
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wget https://mirror.tuna.tsinghua.edu.cn/help/centos/
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yum makecache
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# 添加中文语言支持
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LANG=C # 原始语言
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LANG=zh_CN.utf8 # 切换到中文
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yum groupinstall "Chinese Support" # 添加中文语言支持</code></pre>
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<!-- Linux命令行搜索引擎:https://jaywcjlove.github.io/linux-command/ -->
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