ubuntu 20.04配置网络
<p>1、系统</p><div class="cnblogs_code">
<pre>root@utuntu01:/home# <span style="background-color: rgba(0, 255, 0, 1)">lsb_release -</span><span style="color: rgba(0, 0, 0, 1)"><span style="background-color: rgba(0, 255, 0, 1)">a
No LSB modules are available.</span>
Distributor ID: Ubuntu
Description: Ubuntu </span><span style="color: rgba(128, 0, 128, 1)">20.04</span>.<span style="color: rgba(128, 0, 128, 1)">4</span><span style="color: rgba(0, 0, 0, 1)"> LTS
Release: </span><span style="color: rgba(128, 0, 128, 1); background-color: rgba(0, 255, 0, 1)">20.04</span><span style="color: rgba(0, 0, 0, 1)">
Codename: focal</span></pre>
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<p> </p>
<p>2、修改配置文件</p>
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<pre>root@utuntu01:/home# <span style="background-color: rgba(0, 255, 0, 1)">vim /etc/netplan/<span style="color: rgba(128, 0, 128, 1)">00</span>-installer-</span><span style="color: rgba(0, 0, 0, 1)"><span style="background-color: rgba(0, 255, 0, 1)">config.yaml</span>
# This </span><span style="color: rgba(0, 0, 255, 1)">is</span> the network config written by <span style="color: rgba(128, 0, 0, 1)">'</span><span style="color: rgba(128, 0, 0, 1)">subiquity</span><span style="color: rgba(128, 0, 0, 1)">'</span><span style="color: rgba(0, 0, 0, 1)">
network:
ethernets:
ens32:
addresses:
</span>- <span style="color: rgba(128, 0, 128, 1)">192.168</span>.xx<span style="color: rgba(128, 0, 128, 1)">.xx</span>/<span style="color: rgba(128, 0, 128, 1)">24 <span style="background-color: rgba(0, 255, 0, 1)">## 此处改为自己的IP</span></span><span style="color: rgba(0, 0, 0, 1)">
gateway4: </span><span style="color: rgba(128, 0, 128, 1)">192.168</span>.xx<span style="color: rgba(128, 0, 128, 1)">.1 <span style="background-color: rgba(0, 255, 0, 1)">## 网关</span></span><span style="color: rgba(0, 0, 0, 1)">
nameservers:
addresses:
</span>- <span style="color: rgba(128, 0, 128, 1)">119.29</span>.<span style="color: rgba(128, 0, 128, 1)">29.29</span><span style="color: rgba(0, 0, 0, 1)">
version: </span><span style="color: rgba(128, 0, 128, 1)">2</span></pre>
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<p>保存退出：</p>
<p><img src="https://img2022.cnblogs.com/blog/1447599/202203/1447599-20220325121731427-2045792512.png"></p>
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<p> </p>
<p>3、执行netplan apply</p>
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<pre>root@utuntu01:/home# <span style="background-color: rgba(0, 255, 0, 1)">netplan apply ## 没有报错，说明配置没有问题</span></pre>
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<p> </p>
<p>4、查看ip</p>
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<pre>root@utuntu01:/home# <span style="background-color: rgba(0, 255, 0, 1)">ifconfig |</span><span style="color: rgba(0, 0, 0, 1)"><span style="background-color: rgba(0, 255, 0, 1)"> head</span>
ens32: flags</span>=<span style="color: rgba(128, 0, 128, 1)">4163</span><UP,BROADCAST,RUNNING,MULTICAST>mtu <span style="color: rgba(128, 0, 128, 1)">1500</span><span style="color: rgba(0, 0, 0, 1)">
inet </span><span style="background-color: rgba(0, 255, 0, 1)"><span style="color: rgba(128, 0, 128, 1)">192.168</span>.<span style="color: rgba(128, 0, 128, 1)">3.24</span> </span> netmask <span style="color: rgba(128, 0, 128, 1)">255.255</span>.<span style="color: rgba(128, 0, 128, 1)">255.0</span>broadcast <span style="color: rgba(128, 0, 128, 1)">192.168</span>.<span style="color: rgba(128, 0, 128, 1)">3.255</span><span style="color: rgba(0, 0, 0, 1)">
ether </span><span style="color: rgba(128, 0, 128, 1)">00</span>:0c:<span style="color: rgba(128, 0, 128, 1)">29</span>:eb:<span style="color: rgba(128, 0, 128, 1)">97</span>:eetxqueuelen <span style="color: rgba(128, 0, 128, 1)">1000</span><span style="color: rgba(0, 0, 0, 1)">(Ethernet)
RX packets </span><span style="color: rgba(128, 0, 128, 1)">7294</span>bytes <span style="color: rgba(128, 0, 128, 1)">10054200</span> (<span style="color: rgba(128, 0, 128, 1)">10.0</span><span style="color: rgba(0, 0, 0, 1)"> MB)
RX errors </span><span style="color: rgba(128, 0, 128, 1)">0</span>dropped <span style="color: rgba(128, 0, 128, 1)">286</span>overruns <span style="color: rgba(128, 0, 128, 1)">0</span>frame <span style="color: rgba(128, 0, 128, 1)">0</span><span style="color: rgba(0, 0, 0, 1)">
TX packets </span><span style="color: rgba(128, 0, 128, 1)">4985</span>bytes <span style="color: rgba(128, 0, 128, 1)">325465</span> (<span style="color: rgba(128, 0, 128, 1)">325.4</span><span style="color: rgba(0, 0, 0, 1)"> KB)
TX errors </span><span style="color: rgba(128, 0, 128, 1)">0</span>dropped <span style="color: rgba(128, 0, 128, 1)">0</span> overruns <span style="color: rgba(128, 0, 128, 1)">0</span>carrier <span style="color: rgba(128, 0, 128, 1)">0</span>collisions <span style="color: rgba(128, 0, 128, 1)">0</span><span style="color: rgba(0, 0, 0, 1)">
lo: flags</span>=<span style="color: rgba(128, 0, 128, 1)">73</span><UP,LOOPBACK,RUNNING>mtu <span style="color: rgba(128, 0, 128, 1)">65536</span><span style="color: rgba(0, 0, 0, 1)">
inet </span><span style="color: rgba(128, 0, 128, 1)">127.0</span>.<span style="color: rgba(128, 0, 128, 1)">0.1</span>netmask <span style="color: rgba(128, 0, 128, 1)">255.0</span>.<span style="color: rgba(128, 0, 128, 1)">0.0</span></pre>
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<p> </p>
<p>5、测试网络</p>
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<pre>root@utuntu01:/home#<span style="background-color: rgba(0, 255, 0, 1)"> ping -c <span style="color: rgba(128, 0, 128, 1)">3</span></span><span style="color: rgba(0, 0, 0, 1)"><span style="background-color: rgba(0, 255, 0, 1)"> www.baidu.com ## 没有问题</span>
PING www.a.shifen.com (</span><span style="color: rgba(128, 0, 128, 1)">39.156</span>.<span style="color: rgba(128, 0, 128, 1)">66.18</span>) <span style="color: rgba(128, 0, 128, 1)">56</span>(<span style="color: rgba(128, 0, 128, 1)">84</span><span style="color: rgba(0, 0, 0, 1)">) bytes of data.
</span><span style="color: rgba(128, 0, 128, 1)">64</span> bytes <span style="color: rgba(0, 0, 255, 1)">from</span> <span style="color: rgba(128, 0, 128, 1)">39.156</span>.<span style="color: rgba(128, 0, 128, 1)">66.18</span> (<span style="color: rgba(128, 0, 128, 1)">39.156</span>.<span style="color: rgba(128, 0, 128, 1)">66.18</span>): icmp_seq=<span style="color: rgba(128, 0, 128, 1)">1</span> ttl=<span style="color: rgba(128, 0, 128, 1)">51</span> time=<span style="color: rgba(128, 0, 128, 1)">18.2</span><span style="color: rgba(0, 0, 0, 1)"> ms
</span><span style="color: rgba(128, 0, 128, 1)">64</span> bytes <span style="color: rgba(0, 0, 255, 1)">from</span> <span style="color: rgba(128, 0, 128, 1)">39.156</span>.<span style="color: rgba(128, 0, 128, 1)">66.18</span> (<span style="color: rgba(128, 0, 128, 1)">39.156</span>.<span style="color: rgba(128, 0, 128, 1)">66.18</span>): icmp_seq=<span style="color: rgba(128, 0, 128, 1)">2</span> ttl=<span style="color: rgba(128, 0, 128, 1)">51</span> time=<span style="color: rgba(128, 0, 128, 1)">18.1</span><span style="color: rgba(0, 0, 0, 1)"> ms
</span><span style="color: rgba(128, 0, 128, 1)">64</span> bytes <span style="color: rgba(0, 0, 255, 1)">from</span> <span style="color: rgba(128, 0, 128, 1)">39.156</span>.<span style="color: rgba(128, 0, 128, 1)">66.18</span> (<span style="color: rgba(128, 0, 128, 1)">39.156</span>.<span style="color: rgba(128, 0, 128, 1)">66.18</span>): icmp_seq=<span style="color: rgba(128, 0, 128, 1)">3</span> ttl=<span style="color: rgba(128, 0, 128, 1)">51</span> time=<span style="color: rgba(128, 0, 128, 1)">18.2</span><span style="color: rgba(0, 0, 0, 1)"> ms
</span>--- www.a.shifen.com ping statistics ---
<span style="color: rgba(128, 0, 128, 1)">3</span> packets transmitted, <span style="color: rgba(128, 0, 128, 1)">3</span> received, <span style="color: rgba(128, 0, 128, 1)">0</span>%<span style="color: rgba(0, 0, 0, 1)"> packet loss, time 2004ms
rtt min</span>/avg/max/mdev = <span style="color: rgba(128, 0, 128, 1)">18.086</span>/<span style="color: rgba(128, 0, 128, 1)">18.166</span>/<span style="color: rgba(128, 0, 128, 1)">18.215</span>/<span style="color: rgba(128, 0, 128, 1)">0.057</span> ms</pre>
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来源：https://www.cnblogs.com/liujiaxin2018/p/16054067.html
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