https://www.dukehsu.com/tags/centos7.htmlRecent content in Centos7 on Duke Hsu ｜ Learn • Build • Sharehttps://www.dukehsu.com/images/og-default.jpghttps://www.dukehsu.com/images/og-default.jpgHugoen-USFri, 04 Jun 2021 00:00:00 +0000https://www.dukehsu.com/posts/centosnetwork.htmlFri, 04 Jun 2021 00:00:00 +0000https://www.dukehsu.com/posts/centosnetwork.html<p>如何设置Centos7网络</p> <h3 id="进入系统配置目录">进入系统配置目录</h3> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-shell" data-lang="shell"><span class="line"><span class="cl"><span class="nb">cd</span> /etc/sysconfif/network-scripts/ </span></span><span class="line"><span class="cl">ls <span class="c1">#查看目錄</span></span></span></code></pre></div><p><img alt="Snipaste_2021-06-04_10-55-38.jpg" loading="lazy" src="https://www.dukehsu.com/posts/centosnetwork/images/1642040443.jpg" title="Snipaste_2021-06-04_10-55-38.jpg"></p> <h3 id="备份网卡文件">备份网卡文件</h3> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-shell" data-lang="shell"><span class="line"><span class="cl">cp ifcfg-ens192 ifcfg-ens192.bak</span></span></code></pre></div><h3 id="编辑网卡文件">编辑网卡文件</h3> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-shell" data-lang="shell"><span class="line"><span class="cl">vi ifcfg-ens192</span></span></code></pre></div><p><img alt="Snipaste_2021-06-04_10-57-37.jpg" loading="lazy" src="https://www.dukehsu.com/posts/centosnetwork/images/1807554444.jpg" title="Snipaste_2021-06-04_10-57-37.jpg"></p> <h4 id="保存之后重启网络服务即可">保存之后重启网络服务即可</h4> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-shell" data-lang="shell"><span class="line"><span class="cl">:wq </span></span><span class="line"><span class="cl">systemctl restart netwrok</span></span></code></pre></div><h3 id="网卡配置说明">网卡配置说明</h3> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-shell" data-lang="shell"><span class="line"><span class="cl"><span class="nv">TYPE</span><span class="o">=</span>Ethernet <span class="c1"># 网卡类型：为以太网</span> </span></span><span class="line"><span class="cl"><span class="nv">PROXY_METHOD</span><span class="o">=</span>none <span class="c1"># 代理方式：关闭状态</span> </span></span><span class="line"><span class="cl"><span class="nv">BROWSER_ONLY</span><span class="o">=</span>no <span class="c1"># 只是浏览器：否</span> </span></span><span class="line"><span class="cl"><span class="nv">BOOTPROTO</span><span class="o">=</span>dhcp <span class="c1"># 网卡的引导协议：DHCP[中文名称: 动态主机配置协议]</span> </span></span><span class="line"><span class="cl"><span class="nv">DEFROUTE</span><span class="o">=</span>yes <span class="c1"># 默认路由：是, 不明白的可以百度关键词 `默认路由` </span> </span></span><span class="line"><span class="cl"><span class="nv">IPV4_FAILURE_FATAL</span><span class="o">=</span>no <span class="c1"># 是不开启IPV4致命错误检测：否</span> </span></span><span class="line"><span class="cl"><span class="nv">IPV6INIT</span><span class="o">=</span>yes <span class="c1"># IPV6是否自动初始化: 是[不会有任何影响, 现在还没用到IPV6]</span> </span></span><span class="line"><span class="cl"><span class="nv">IPV6_AUTOCONF</span><span class="o">=</span>yes <span class="c1"># IPV6是否自动配置：是[不会有任何影响, 现在还没用到IPV6]</span> </span></span><span class="line"><span class="cl"><span class="nv">IPV6_DEFROUTE</span><span class="o">=</span>yes <span class="c1"># IPV6是否可以为默认路由：是[不会有任何影响, 现在还没用到IPV6]</span> </span></span><span class="line"><span class="cl"><span class="nv">IPV6_FAILURE_FATAL</span><span class="o">=</span>no <span class="c1"># 是不开启IPV6致命错误检测：否</span> </span></span><span class="line"><span class="cl"><span class="nv">IPV6_ADDR_GEN_MODE</span><span class="o">=</span>stable-privacy <span class="c1"># IPV6地址生成模型：stable-privacy [这只一种生成IPV6的策略]</span> </span></span><span class="line"><span class="cl"><span class="nv">NAME</span><span class="o">=</span>ens33 <span class="c1"># 网卡物理设备名称</span> </span></span><span class="line"><span class="cl"><span class="nv">UUID</span><span class="o">=</span>f47bde51-fa78-4f79-b68f-d5dd90cfc698 <span class="c1"># 通用唯一识别码, 每一个网卡都会有, 不能重复, 否两台linux只有一台网卡可用</span> </span></span><span class="line"><span class="cl"><span class="nv">DEVICE</span><span class="o">=</span>ens33 <span class="c1"># 网卡设备名称, 必须和 `NAME` 值一样</span> </span></span><span class="line"><span class="cl"><span class="nv">ONBOOT</span><span class="o">=</span>no <span class="c1"># 是否开机启动， 要想网卡开机就启动或通过 `systemctl restart network`控制网卡,必须设置为 `yes` </span></span></span></code></pre></div><h3 id="参考阅读">参考阅读</h3> <p><a href="https://segmentfault.com/a/1190000011954814">https://segmentfault.com/a/1190000011954814</a></p>