Nexus配置Linux Yum Repository

Bertha 。 2022-05-22 02:43 162阅读 0赞

一、使用场景

在生产环境中，我们不可能所有的服务器都能连接外网更新RPM包，比较理想的环境是：有一台Linux服务器可以连接外网，剩余的服务器通过这台YUM服务器更新。以前比较传统的做法是先把包下载到内网中的YUM服务器上，然后通过createrepo命令生成本地仓库，其余服务器通过HTTP访问这个链接，这种做法比较费时费事。有没有一种比较好的方式，让我们直接通过这台服务器代理连接到公网的163、阿里 YUM仓库呢，这就是本次介绍的Nexus代理。无论你的客户机是CentOS6还是CentOS7又或者是Ubuntu，不论你是想用YUM还是PIP又或者是NPM包管理器，Nexus都能满足你的需求。

二、安装Nexus

这里我使用CentOS7作为YUM Repository代理服务器

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    <div style="max-width:100%;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#&nbsp;确认已安装JRE8</code> 
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      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#&nbsp;java&nbsp;-version</code> 
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     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">openjdk&nbsp;version&nbsp;</code> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#0000FF;">"1.8.0_161"</code> 
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     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">OpenJDK&nbsp;Runtime&nbsp;Environment&nbsp;(build&nbsp;1.8.0_161-b14)</code> 
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     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">OpenJDK&nbsp;64-Bit&nbsp;Server&nbsp;VM&nbsp;(build&nbsp;25.161-b14,&nbsp;mixed&nbsp;mode)</code> 
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       &nbsp; 
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      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#&nbsp;创建nexus用户，并设置该用户File&nbsp;Handle&nbsp;Limits</code> 
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      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#&nbsp;useradd&nbsp;nexus</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#&nbsp;echo&nbsp;"nexus&nbsp;-&nbsp;nofile&nbsp;65536"&nbsp;&gt;&gt;&nbsp;/etc/security/limits.conf</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;">
       &nbsp; 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#&nbsp;下载并解压nexus到/opt目录，并设置nexus用户权限</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#&nbsp;wget&nbsp;https://download.sonatype.com/nexus/3/latest-unix.tar.gz</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#&nbsp;tar&nbsp;-xzvf&nbsp;latest-unix.tar.gz&nbsp;-C&nbsp;/opt</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#&nbsp;mv&nbsp;/opt/nexus*&nbsp;/opt/nexus</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#&nbsp;chown&nbsp;-R&nbsp;nexus:nexus&nbsp;/opt/nexus&nbsp;/opt/sonatype-work/</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;">
       &nbsp; 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#&nbsp;设置服务启动用户</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#&nbsp;echo&nbsp;'run_as_user="nexus"'&nbsp;&gt;&nbsp;/opt/nexus/bin/nexus.rc</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;">
       &nbsp; 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#&nbsp;这里使用systemd管理服务</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#&nbsp;cat&nbsp;&lt;&lt;EOF&nbsp;&gt;/etc/systemd/system/nexus.service</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,102,204);">[Unit]</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">Description=nexus&nbsp;service</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">After=network.target</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;">
       &nbsp; 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,102,204);">[Service]</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">Type=forking</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">ExecStart=/opt/nexus/bin/nexus&nbsp;start</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">ExecStop=/opt/nexus/bin/nexus&nbsp;stop</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">User=nexus</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">Restart=on-abort</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;">
       &nbsp; 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,102,204);">[Install]</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">WantedBy=multi-user.target</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">EOF</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;">
       &nbsp; 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#&nbsp;systemctl&nbsp;daemon-reload</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#&nbsp;systemctl&nbsp;enable&nbsp;nexus.service</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#&nbsp;systemctl&nbsp;start&nbsp;nexus.service</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;">&nbsp;</code>&nbsp; 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#&nbsp;最后，查看log了解服务运行状态</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#&nbsp;tail&nbsp;-f&nbsp;/opt/sonatype-work/nexus3/log/nexus.log</code> 
     </div> 
    </div></td> 
  </tr> 
 </tbody> 
</table>

三、配置Nexus

1.  1.  使用浏览器打开http://IP:8081/，用户名密码是admin:admin123
    2.  点击配置->Repositories->选择类型（yum proxy）
    3.  自定义一个名字，例如：yum-proxy  
        
    4.  输入URL: http://mirrors.163.com/centos/
    5.  保存

四、客户机配置yum repo文件

五、附上163服务器CentOS7 repo文件内容

<table style="font-family:'-apple-system', 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'WenQuanYi Micro Hei', 'Microsoft Yahei', sans-serif;margin:0px;padding:0px;text-align:center;border:0px;border-spacing:0px;max-width:100%;font-size:16px;"> 
 <tbody style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;float:none;line-height:1.1em;text-align:left;vertical-align:baseline;width:auto;min-height:auto;"> 
  <tr style="max-width:100%;margin:0px;padding:0px;font-size:1em;background:none;border-top:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
   <td style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;border-width:0px;font-size:1em;background:none;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(175,175,175);"> 
    <div style="max-width:100%;margin:0px;padding:0px .5em 0px 1em;font-size:1em;background-image:none;border-width:0px 3px 0px 0px;border-right-style:solid;border-right-color:rgb(108,226,108);float:none;line-height:1.1em;text-align:right;vertical-align:baseline;width:auto;min-height:auto;white-space:pre;">
      1 
    </div> 
    <div style="max-width:100%;margin:0px;padding:0px .5em 0px 1em;font-size:1em;background-image:none;border-width:0px 3px 0px 0px;border-right-style:solid;border-right-color:rgb(108,226,108);float:none;line-height:1.1em;text-align:right;vertical-align:baseline;width:auto;min-height:auto;white-space:pre;">
      2 
    </div> 
    <div style="max-width:100%;margin:0px;padding:0px .5em 0px 1em;font-size:1em;background-image:none;border-width:0px 3px 0px 0px;border-right-style:solid;border-right-color:rgb(108,226,108);float:none;line-height:1.1em;text-align:right;vertical-align:baseline;width:auto;min-height:auto;white-space:pre;">
      3 
    </div> 
    <div style="max-width:100%;margin:0px;padding:0px .5em 0px 1em;font-size:1em;background-image:none;border-width:0px 3px 0px 0px;border-right-style:solid;border-right-color:rgb(108,226,108);float:none;line-height:1.1em;text-align:right;vertical-align:baseline;width:auto;min-height:auto;white-space:pre;">
      4 
    </div> 
    <div style="max-width:100%;margin:0px;padding:0px .5em 0px 1em;font-size:1em;background-image:none;border-width:0px 3px 0px 0px;border-right-style:solid;border-right-color:rgb(108,226,108);float:none;line-height:1.1em;text-align:right;vertical-align:baseline;width:auto;min-height:auto;white-space:pre;">
      5 
    </div> 
    <div style="max-width:100%;margin:0px;padding:0px .5em 0px 1em;font-size:1em;background-image:none;border-width:0px 3px 0px 0px;border-right-style:solid;border-right-color:rgb(108,226,108);float:none;line-height:1.1em;text-align:right;vertical-align:baseline;width:auto;min-height:auto;white-space:pre;">
      6 
    </div> 
    <div style="max-width:100%;margin:0px;padding:0px .5em 0px 1em;font-size:1em;background-image:none;border-width:0px 3px 0px 0px;border-right-style:solid;border-right-color:rgb(108,226,108);float:none;line-height:1.1em;text-align:right;vertical-align:baseline;width:auto;min-height:auto;white-space:pre;">
      7 
    </div> 
    <div style="max-width:100%;margin:0px;padding:0px .5em 0px 1em;font-size:1em;background-image:none;border-width:0px 3px 0px 0px;border-right-style:solid;border-right-color:rgb(108,226,108);float:none;line-height:1.1em;text-align:right;vertical-align:baseline;width:auto;min-height:auto;white-space:pre;">
      8 
    </div> 
    <div style="max-width:100%;margin:0px;padding:0px .5em 0px 1em;font-size:1em;background-image:none;border-width:0px 3px 0px 0px;border-right-style:solid;border-right-color:rgb(108,226,108);float:none;line-height:1.1em;text-align:right;vertical-align:baseline;width:auto;min-height:auto;white-space:pre;">
      9 
    </div> 
    <div style="max-width:100%;margin:0px;padding:0px .5em 0px 1em;font-size:1em;background-image:none;border-width:0px 3px 0px 0px;border-right-style:solid;border-right-color:rgb(108,226,108);float:none;line-height:1.1em;text-align:right;vertical-align:baseline;width:auto;min-height:auto;white-space:pre;">
      10 
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    <div style="max-width:100%;margin:0px;padding:0px .5em 0px 1em;font-size:1em;background-image:none;border-width:0px 3px 0px 0px;border-right-style:solid;border-right-color:rgb(108,226,108);float:none;line-height:1.1em;text-align:right;vertical-align:baseline;width:auto;min-height:auto;white-space:pre;">
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   <td style="max-width:100%;width:815px;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;border-width:0px;font-size:1em;background:none;float:none;line-height:1.1em;vertical-align:baseline;min-height:auto;"> 
    <div style="max-width:100%;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,102,204);">[base]</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">name=CentOS-</code> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(170,119,0);">$releasever</code>&nbsp; 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">-&nbsp;Base&nbsp;-&nbsp;163.com</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&amp;arch=$basearch&amp;repo=os</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">baseurl=http://mirrors.163.com/centos/</code> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(170,119,0);">$releasever</code> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">/os/</code> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(170,119,0);">$basearch</code> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">/</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">gpgcheck=1</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;">
       &nbsp; 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#released&nbsp;updates</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,102,204);">[updates]</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">name=CentOS-</code> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(170,119,0);">$releasever</code>&nbsp; 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">-&nbsp;Updates&nbsp;-&nbsp;163.com</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&amp;arch=$basearch&amp;repo=updates</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">baseurl=http://mirrors.163.com/centos/</code> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(170,119,0);">$releasever</code> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">/updates/</code> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(170,119,0);">$basearch</code> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">/</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">gpgcheck=1</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;">
       &nbsp; 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#additional&nbsp;packages&nbsp;that&nbsp;may&nbsp;be&nbsp;useful</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,102,204);">[extras]</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">name=CentOS-</code> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(170,119,0);">$releasever</code>&nbsp; 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">-&nbsp;Extras&nbsp;-&nbsp;163.com</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&amp;arch=$basearch&amp;repo=extras</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">baseurl=http://mirrors.163.com/centos/</code> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(170,119,0);">$releasever</code> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">/extras/</code> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(170,119,0);">$basearch</code> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">/</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">gpgcheck=1</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;">
       &nbsp; 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,130,0);">#additional&nbsp;packages&nbsp;that&nbsp;extend&nbsp;functionality&nbsp;of&nbsp;existing&nbsp;packages</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(0,102,204);">[centosplus]</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">name=CentOS-</code> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(170,119,0);">$releasever</code>&nbsp; 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">-&nbsp;Plus&nbsp;-&nbsp;163.com</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">baseurl=http://mirrors.163.com/centos/</code> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(170,119,0);">$releasever</code> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">/centosplus/</code> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:rgb(170,119,0);">$basearch</code> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">/</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">gpgcheck=1</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">enabled=0</code> 
     </div> 
     <div style="max-width:100%;white-space:nowrap;margin:0px;padding:0px 1em;font-size:1em;background-image:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;"> 
      <code style="max-width:100%;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;margin:0px;padding:0px;font-size:1em;background:none;border:0px;float:none;line-height:1.1em;vertical-align:baseline;width:auto;min-height:auto;color:#000000;">gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7</code> 
     </div> 
    </div></td> 
  </tr> 
 </tbody> 
</table>

至此，客户端就可以连接自己的repo服务器下载rpm了，如果所须要的包是第一次下载，那么proxy会连接指定的外网YUM仓库下载，但如果是proxy已经存在的，那么直接从proxy代理服务器上拉下来，速度会比外网下载快很很多！

上面都是转载的 ，下面是自己的环境截图

然后发下自己的

![70][]

为啥框定的地方，我直接写的这个呢。。。。

https://blog.csdn.net/u012892524/article/details/55057404

参考这个地方。。

因为我的链接里面没有取到对应的变量值。。。所以URL就是错误的。。。所以我就直接写死了。。。![尴尬][awkward.gif]

下面给出我的Linux配置图

![70 1][]

[70]: /images/20220522/5aec3e3a307a47429f141a39676bf5d0.png
[awkward.gif]: https://static-blog.csdn.net/xheditor/xheditor_emot/default/awkward.gif
[70 1]: /images/20220522/22e63f501b3f4864a09379f91857b989.png