Ubuntu网络配置
<p>1.将网卡名修改为传统网卡名</p><p>1)修改配置文件</p>
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<pre>root@ubuntu1804:~# vim /etc/default/grub </pre>
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<p><img src="https://img2022.cnblogs.com/blog/2742986/202203/2742986-20220301202445136-745793169.png"></p>
<p> </p>
<p> 2)</p>
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<pre>root@ubuntu1804:~# grub-mkconfig -o /boot/grub/grub.cfg </pre>
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<p>3)重启</p>
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<pre>root@ubuntu1804:~# reboot</pre>
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<p> </p>
<p>2.1)Ubuntu的网卡配置文件是放在/etc/netplan/这个目录下,并且这种文件必须以yaml结尾</p>
<p><img src="https://img2022.cnblogs.com/blog/2742986/202203/2742986-20220301203301771-1112693671.png"></p>
<p> </p>
<p> 2)网卡配置完成后需让其生效:</p>
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<pre>netplan apply</pre>
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<p><img src="https://img2022.cnblogs.com/blog/2742986/202203/2742986-20220301203407561-2057923777.png"></p>
<p> </p>
<p> 3)配置文件时,需注意的是,同级的缩进必须相同。</p>
<p> </p>
<p>3.配置静态IP</p>
<p>1)方法一:</p>
<p>在配置文件中添加:</p>
<p>addresses: </p>
<p>注意:冒号后面要跟空格。</p>
<p><img src="https://img2022.cnblogs.com/blog/2742986/202203/2742986-20220301205607875-1207121040.png"></p>
<p> </p>
<p> 方法二:</p>
<p>addresses</p>
<p>- 192.168.93.132/24 <-这里和addresses同级,也可以缩进,-后面要跟一个空格</p>
<p><img src="https://img2022.cnblogs.com/blog/2742986/202203/2742986-20220301205851351-1677432001.png"></p>
<p> </p>
<p> 2)配置多个</p>
<p><img src="https://img2022.cnblogs.com/blog/2742986/202203/2742986-20220301210149481-202037394.png"></p>
<p> </p>
<p> <img src="https://img2022.cnblogs.com/blog/2742986/202203/2742986-20220301210207711-2027633514.png"></p>
<p> </p>
<p> </p>
<p>4.修改配置,让ssh远程连接Ubuntu的root</p>
<p>1)修改文件</p>
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<pre>root@ubuntu1804:/etc/netplan# vim /etc/<span style="color: rgba(0, 0, 255, 1)">ssh</span>/sshd_config </pre>
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<p>PermitRootLogin yes</p>
<p><img src="https://img2022.cnblogs.com/blog/2742986/202203/2742986-20220301210559494-1248983067.png"></p>
<p> </p>
<p> 2)root默认没有密码,设置密码:</p>
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<pre>root@ubuntu1804:/etc/netplan# <span style="color: rgba(0, 0, 255, 1)">passwd</span></pre>
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<p><img src="https://img2022.cnblogs.com/blog/2742986/202203/2742986-20220301210736668-36151718.png"></p>
<p> </p>
<p> 3)重启远程服务:</p>
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<pre>root@ubuntu1804:/etc/netplan# systemctl restart sshd</pre>
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<p> </p>
<p>5.添加网关和DNS</p>
<p>getway4:198.168..93.130</p>
<p>和addresses同级</p>
<p>nameservers:</p>
<p> search: </p>
<p> addresses: </p>
<p><img src="https://img2022.cnblogs.com/blog/2742986/202203/2742986-20220301212349760-677835479.png"></p>
<p> </p>
<p> </p>
<p>6.查看DNS</p>
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<pre>root@ubuntu1804:/etc/netplan# systemd-resolve --status</pre>
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<p><img src="https://img2022.cnblogs.com/blog/2742986/202203/2742986-20220301213105686-1519004118.png"></p>
<p> </p>
<p> </p>
<p>7.多网卡配置地址。</p>
<p>方法一:创建一个新的以yaml结尾的文件并对其配置</p>
<p>方法二:和原网卡的配置文件写到一起</p>
<p>追加:eth1:</p>
<p> addreese: </p>
<p>注意缩进。</p>
<p> </p>
<p>8.配置静态路由</p>
<p>看谁是出口就在哪加。(和静态IP平级)</p>
<p>routes:</p>
<p>- to: 10.30.0.0/16</p>
<p> via: 10.0.0.222</p>
<p>- to: 10.40.0.0/16</p>
<p> via: 10.0.0.111</p>
<p>route -n查看</p>
<p> </p>
<p>9.单网卡桥接(和ethernets平级);多网卡桥接</p>
<p>Ubuntu需要安装bridge-utils:</p>
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<pre class="brush:csharp;gutter:true;">apt install bridge-utils
</pre>
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<pre>dpkg -L bridge-utils</pre>
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<p> </p><br><br>
来源:https://www.cnblogs.com/weilanxuesre/p/15952883.html
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