Ubuntu Server离线安装
<p>在局域网生产环境中，断开网络环境，进行Ubuntu Server的安装。</p><p>注意：安装系统，在无外网的局域网内环境下进行，通过“↑”“↓”按键选择条目。</p>
<h4 id="1进入开机启动项">1.进入开机启动项</h4>
<p>根据主机情况自行测试，一般为F9-F12或者delete。</p>
<h4 id="2选择u盘内的镜像">2.选择U盘内的镜像</h4>
<p>选择“Ubuntu20 Server”系统，确认安装。</p>
<h4 id="3语言选择">3.语言选择</h4>
<p>默认选中“English”选项，回车。如下图所示：</p>
<p><img src="https://img2020.cnblogs.com/blog/988812/202201/988812-20220108162119387-292817612.png"></p>
<h4 id="4键盘布局">4.键盘布局</h4>
<p>默认各选项，然后选中“Done”，回车。如下图所示：</p>
<p><img src="https://img2020.cnblogs.com/blog/988812/202201/988812-20220108162119389-39365994.png"></p>
<h4 id="5网络连接">5.网络连接</h4>
<p>默认各选项（图中红色矩形框区域信息不同，为正常现象。可根据需求，手动配置IP地址），然后再选择“Contine without network”，回车。如下图所示：</p>
<p><img src="https://img2020.cnblogs.com/blog/988812/202201/988812-20220108162118608-1324617417.png"></p>
<h4 id="6代理配置">6.代理配置</h4>
<p>默认空白，选择“Done”，回车。如下图所示：</p>
<p><img src="https://img2020.cnblogs.com/blog/988812/202201/988812-20220108162118161-1954022610.png"></p>
<h4 id="7ubuntu软件源配置">7.Ubuntu软件源配置</h4>
<p>默认或者下面软件源之一（对于无网环境无影响），选择“Done”，回车。如下图所示：</p>
<ul>
<li>http://mirrors.aliyun.com/ubuntu</li>
<li>http://cn.archive.ubuntu.com/ubuntu</li>
</ul>
<p><img src="https://img2020.cnblogs.com/blog/988812/202201/988812-20220108162117998-903585326.png"></p>
<h4 id="8更新配置">8.更新配置</h4>
<p>无网环境下，等待一段时间后，会自动选择“Continue without updating”，进入下一页面。如下图所示：（若未自动进入下一页面，可手动选择“Continue without updating”，回车。）</p>
<p><img src="https://img2020.cnblogs.com/blog/988812/202201/988812-20220108162118071-1901525742.png"></p>
<h4 id="9磁盘向导设置">9.磁盘向导设置</h4>
<p>默认各选项，选择“Done”，回车。如下图所示：</p>
<p><img src="https://img2020.cnblogs.com/blog/988812/202201/988812-20220108162118030-249139187.png"></p>
<h4 id="10磁盘配置">10.磁盘配置</h4>
<p>更改“ubuntu-lv”逻辑卷大小。</p>
<p>选中“ubuntu-lv”，回车。如下图所示：</p>
<p><img src="https://img2020.cnblogs.com/blog/988812/202201/988812-20220108162118155-1031014344.png"></p>
<p>选中“Edit”，回车。如下图所示：</p>
<p><img src="https://img2020.cnblogs.com/blog/988812/202201/988812-20220108162119387-1286091994.png"></p>
<p>更改“Size（max [***]G）”（根据具体磁盘容量大小，[***]G会有所不同）,将后面的值改为最大，即[***]G，再选择“Save”，回车。如下图所示：</p>
<p><img src="https://img2020.cnblogs.com/blog/988812/202201/988812-20220108162117999-238671137.png"><img src="https://img2020.cnblogs.com/blog/988812/202201/988812-20220108162118070-1339820302.png"></p>
<p>再选择“Done”，回车。如下图所示：</p>
<p><img src="https://img2020.cnblogs.com/blog/988812/202201/988812-20220108162118244-807087810.png"></p>
<p>弹出对话框后，选择“Continue”，回车。如下图所示：</p>
<p><img src="https://img2020.cnblogs.com/blog/988812/202201/988812-20220108162118579-1222942401.png"></p>
<h4 id="11用户配置">11.用户配置</h4>
<p>设置用户名（根据产品命名），服务器名称（gd），用户名称（根据产品命名），密码（gd123），验证密码（gd123）。如下图所示：</p>
<p><img src="https://img2020.cnblogs.com/blog/988812/202201/988812-20220108162118581-1332716761.png"></p>
<h4 id="12ssh配置">12.SSH配置</h4>
<p>选中“Install OpenSSH server”，按空格或者回车，使该选项前面出现“X”符号。如下图所示：</p>
<p><img src="https://img2020.cnblogs.com/blog/988812/202201/988812-20220108162118110-1228779239.png"></p>
<p>选中“Done”，回车。</p>
<p><img src="https://img2020.cnblogs.com/blog/988812/202201/988812-20220108162118110-1416663423.png"></p>
<h4 id="13重启">13.重启</h4>
<p>等待出现“Reboot Now”选项后，选中该选项，回车。</p>
<p><img src="https://img2020.cnblogs.com/blog/988812/202201/988812-20220108162118216-1906137049.png"></p>
<p>安装成功，移除安装U盘，回车。</p>
<p><img src="https://img2020.cnblogs.com/blog/988812/202201/988812-20220108162118043-875844202.png"></p>
<div class="tag-container"> </div>
<div class="tag-container">网络配置，sudo vi /etc/netplan/00-installer-config.yaml</div>
<div class="tag-container"> </div>
<div class="tag-container"> 高版本：</div>
<div class="tag-container">
<pre class="line-numberslanguage-yaml"><code class="yamllanguage-yaml"><span class="token key atrule">network<span class="token punctuation">:
<span class="token key atrule">version<span class="token punctuation">: <span class="token number">2
<span class="token key atrule">renderer<span class="token punctuation">: networkd
<span class="token key atrule">ethernets<span class="token punctuation">:
<span class="token key atrule">enp0s25<span class="token punctuation">:
<span class="token key atrule">addresses<span class="token punctuation">:
<span class="token punctuation">- 192.168.0.100/24
routes:<br> - to: default<br> via: 192.168.0.2<span class="token key atrule"><span class="token punctuation">
<span class="token key atrule">nameservers<span class="token punctuation">: <span class="token key atrule"><span class="token punctuation"><span class="token punctuation"><span class="token punctuation"><span class="token punctuation"><span class="token punctuation">
<span class="token key atrule">addresses<span class="token punctuation">: <span class="token punctuation"><br><br></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></code></pre>
<p>低版本</p>
<p># This is the network config written by 'subiquity'<br>network:<br> ethernets:<br> ens33:<br> addresses:<br> - 192.168.49.130/24<br> gateway4: 192.168.49.2<br> nameservers: <br> addresses: <br> version: 2</p>
<pre class="line-numberslanguage-yaml"><code class="yamllanguage-yaml"><span class="token key atrule"><span class="token punctuation"><span class="token key atrule"><span class="token punctuation"><span class="token number"><span class="token key atrule"><span class="token punctuation"><span class="token key atrule"><span class="token punctuation"><span class="token key atrule"><span class="token punctuation"><span class="token key atrule"><span class="token punctuation"><span class="token punctuation"><span class="token key atrule"><span class="token punctuation"><span class="token key atrule"><span class="token punctuation"><span class="token key atrule"><span class="token punctuation"><span class="token punctuation"><span class="token punctuation"><span class="token punctuation"><span class="token punctuation"><span class="token key atrule"><span class="token punctuation"><span class="token punctuation"><span class="token punctuation"><span class="token punctuation"><span class="token punctuation"> </span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></code></pre>
<p> </p>
<p>重新连接网络，执行命令，使配置生效</p>
<pre class="line-numberslanguage-bash"><code class="bashlanguage-bash">sudo netplan apply</code></pre>
<p> 修改apt源文件：</p>
<p>21.10</p>
<p><span class="hljs-built_in">sudo vim /etc/apt/sources.list</span></p>
<pre><code id="apt-content"># 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ impish main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ impish main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ impish-updates main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ impish-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ impish-backports main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ impish-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ impish-security main restricted universe multiverse
# deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ impish-security main restricted universe multiverse
</code></pre>
<p><code> </code></p>
<p><code> </code></p>
<p> </p>
<p> sudo sed -i 's/mirrors.tuna.tsinghua.edu.cn/mirrors.ustc.edu.cn/g' /etc/apt/sources.list</p>
<p> <code>sudo</code> <code>apt update</code></p>
<p><code>sudo</code> <code>apt upgrade</code></p>
<p>20.04</p>
<p><span class="hljs-attribute"><span class="hljs-attribute">deb https://mirrors.ustc.edu.cn/ubuntu/ focal main restricted universe multiverse deb-src https://mirrors.ustc.edu.cn/ubuntu/ focal main restricted universe multiverse deb https://mirrors.ustc.edu.cn/ubuntu/ focal-updates main restricted universe multiverse deb-src https://mirrors.ustc.edu.cn/ubuntu/ focal-updates main restricted universe multiverse deb https://mirrors.ustc.edu.cn/ubuntu/ focal-backports main restricted universe multiverse deb-src https://mirrors.ustc.edu.cn/ubuntu/ focal-backports main restricted universe multiverse deb https://mirrors.ustc.edu.cn/ubuntu/ focal-security main restricted universe multiverse deb-src https://mirrors.ustc.edu.cn/ubuntu/ focal-security main restricted universe multiverse deb https://mirrors.ustc.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse deb-src https://mirrors.ustc.edu.cn/ubuntu/ focal-proposed main restricted universe multiverse</span></span></p>
<p> </p>
<h4 id="13重启">14.配置静态地址</h4>
<p>ubu@ubuntu:~$ cat /etc/netplan/00-installer-config.yaml <br># This is the network config written by 'subiquity'<br>network:<br>renderer: networkd<br>ethernets:<br> ens33:<br> dhcp4: no<br> addresses:<br> - 10.32.70.124/21<br> gateway4: 10.32.71.254<br> nameservers: <br> addresses: <br>version: 2</p>
<p> </p>
<p>sudo netplan apply</p>
<h4 id="13重启"> </h4>
</div><br><br>
来源：https://www.cnblogs.com/beilong/p/15778605.html
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