Centos 6.5环境实现本地局域网搭建YUM的方法【基于HTTP】
<p>本文实例讲述了Centos 6.5环境实现本地局域网搭建YUM的方法。分享给大家供大家参考，具体如下：</p>
<p>
<span><strong>一、yum 简介：</strong></span></p>
<p>
yum，是Yellow dog Updater, Modified 的简称，是杜克大学为了提高RPM 软件包安装性而开发的一种软件包管理器。起初是由yellow dog 这一发行版的开发者Terra Soft 研发，用python 写成，那时还叫做yup(yellow dog updater)，后经杜克大学的Linux@Duke 开发团队进行改进，遂有此名。yum 的宗旨是自动化地升级，安装/移除rpm 包，收集rpm 包的相关信息，检查依赖性并自动提示用户解决。yum 的关键之处是要有可靠的repository，顾名思义，这是软件的仓库，它可以是http 或ftp 站点，也可以是本地软件池，但必须包含rpm 的header，header 包括了rpm 包的各种信息，包括描述，功能，提供的文件，依赖性等。正是收集了这些header 并加以分析，才能自动化地完成余下的任务。</p>
<p>
yum 的理念是使用一个中心仓库(repository)管理一部分甚至一个distribution 的应用程序相互关系，根据计算出来的软件依赖关系进行相关的升级、安装、删除等等操作，减少了Linux 用户一直头痛的dependencies 的问题。这一点上，yum 和apt 相同。apt 原为debian 的deb 类型软件管理所使用，但是现在也能用到RedHat 门下的rpm 了。</p>
<p>
yum 主要功能是更方便的添加/删除/更新RPM 包，自动解决包的倚赖性问题，便于管理大量系统的更新问题。</p>
<p>
yum 可以同时配置多个资源库(Repository)，简洁的配置文件（/etc/yum.conf），自动解决增加或删除rpm 包时遇到的依赖性问题，保持与RPM 数据库的一致性。</p>
<p>
<span><strong>二、搭建YUM：</strong></span></p>
<p>
<span><span><strong>服务端配置</strong></span></span></p>
<p>
挂载iso</p>
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<code class="bash functions">mount</code> <code class="bash plain">-o loop -t CentOS-6.5-x86_64-bin-DVD1.iso </code><code class="bash plain">/mnt</code>
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常规挂载</p>
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<code class="bash functions">mount</code> <code class="bash plain">/dev/cdrom</code> <code class="bash plain">/mnt</code>
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创建拷贝目录</p>
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<code class="bash functions">mkdir</code> <code class="bash plain">/tmp/repo</code>
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赋予权限</p>
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<code class="bash functions">chmod</code> <code class="bash plain">-R 755 </code><code class="bash plain">/tmp/repo</code>
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拷贝数据</p>
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<code class="bash functions">cp</code> <code class="bash plain">-rf </code><code class="bash plain">/mnt/</code><code class="bash plain">* </code><code class="bash plain">/tmp/repo</code>
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编辑本地YUM源文件</p>
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<code class="bash functions">cd</code> <code class="bash plain">/etc/yum</code><code class="bash plain">.repos.d/</code>
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清除老配置，或者保存配置</p>
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<code class="bash functions">mv</code> <code class="bash plain">CentOS-Base.repo CentOS-Base.repose_bak</code>
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<code class="bash functions">mv</code> <code class="bash plain">CentOS-Debuginfo.repo CentOS-Debuginfo.repo_bak</code>
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<code class="bash functions">mv</code> <code class="bash plain">CentOS-Media.repo CentOS-Media.repo_bak</code>
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<code class="bash functions">mv</code> <code class="bash plain">CentOS-Vault.repo CentOS-Vault.repo_bak</code>
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或者全部删除</p>
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<code class="bash functions">rm</code> <code class="bash plain">-rf *</code>
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配置本地yum</p>
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<code class="bash functions">vi</code> <code class="bash functions">local</code><code class="bash plain">.repo</code>
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<code class="bash plain">name=Centos 6.5</code>
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<code class="bash plain">baseurl=</code><code class="bash functions">file</code><code class="bash plain">:</code><code class="bash plain">///tmp/repo</code>
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<code class="bash plain">enabled=1</code>
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<code class="bash plain">gpgcheck=0</code>
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清除yum缓存并更新</p>
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<code class="bash plain">yum clean all</code>
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<code class="bash plain">yum makecache </code>
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安装apache</p>
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<code class="bash plain">yum </code><code class="bash functions">install</code> <code class="bash plain">httpd* -y</code>
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编辑apache配置文件</p>
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<code class="bash functions">cd</code> <code class="bash plain">/etc/httpd/conf</code>
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<code class="bash functions">cp</code> <code class="bash plain">httpd.conf httpd.conf.bak</code>
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删除测试启动服务</p>
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<code class="bash functions">rm</code> <code class="bash plain">-f </code><code class="bash plain">/etc/httpd/conf</code><code class="bash plain">.d</code><code class="bash plain">/welcome</code><code class="bash plain">.conf </code><code class="bash plain">/var/www/error/noindex</code><code class="bash plain">.html</code>
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拷贝文件到目录或者修改httpd.conf中的DocumentRoot</p>
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<code class="bash functions">cp</code> <code class="bash plain">-r </code><code class="bash plain">/tmp/repo</code> <code class="bash plain">/var/www/html</code>
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<code class="bash functions">cd</code> <code class="bash plain">/var/www/html</code>
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<code class="bash functions">chmod</code> <code class="bash plain">-R 755 repo/</code>
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重启apache服务 并设置服务自启动</p>
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<code class="bash plain">service httpd restart</code>
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<code class="bash plain">chkconfig httpd on</code>
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<code class="bash plain">chkconfig --list | </code><code class="bash functions">grep</code> <code class="bash plain">httpd</code>
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<span><span><strong>客户端配置</strong></span></span></p>
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<code class="bash functions">cd</code> <code class="bash plain">/etc/yum</code><code class="bash plain">.repos.d</code>
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清除老配置，或者保存配置</p>
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<code class="bash functions">mv</code> <code class="bash plain">CentOS-Base.repo CentOS-Base.repose_bak</code>
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<code class="bash functions">mv</code> <code class="bash plain">CentOS-Debuginfo.repo CentOS-Debuginfo.repo_bak</code>
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<code class="bash functions">mv</code> <code class="bash plain">CentOS-Media.repo CentOS-Media.repo_bak</code>
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<code class="bash functions">mv</code> <code class="bash plain">CentOS-Vault.repo CentOS-Vault.repo_bak</code>
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或者全部删除</p>
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<code class="bash functions">rm</code> <code class="bash plain">-rf *</code>
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配置yum</p>
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<code class="bash functions">vi</code> <code class="bash plain">http.repo</code>
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<code class="bash plain">name=Centos 6.5</code>
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<code class="bash plain">baseurl=http:</code><code class="bash plain">//172</code><code class="bash plain">.28.70.160</code><code class="bash plain">/repo</code>
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<code class="bash plain">enabled=1</code>
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<code class="bash plain">gpgcheck=0</code>
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清除yum配置缓存并更新</p>
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<code class="bash plain">yum clean all</code>
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<code class="bash plain">yum makecache</code>
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<p>
希望本文所述对大家CentOS服务器配置有所帮助。</p>
<p>
原文链接：https://blog.csdn.net/hanzheng260561728/article/details/51485201</p>
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