https://shuimo0413.github.io/categories/%E7%89%A9%E8%81%94%E7%BD%91/ Recent content in 物联网 on shuimo0413 Hugo -- gohugo.io zh-cn shuimo Tue, 20 Jan 2026 00:00:00 +0000 https://shuimo0413.github.io/p/mqtt/ Tue, 20 Jan 2026 00:00:00 +0000 https://shuimo0413.github.io/p/mqtt/ <img src="https://shuimo0413.github.io/p/mqtt/mqtt-server.jpg" alt="Featured image of post 在linux上搭建一个mqtt服务器" /><h1 id="安装mqttx">安装mqttx </h1><ul> <li>MQTTX: <a href="https://mqttx.app/" style="color: #007bff;">点我下载</a></li> <li><a class="link" href="https://mqttx.app/" target="_blank" rel="noopener" >https://mqttx.app/</a></li> </ul> <h1 id="安装-mosquitto">安装 Mosquitto </h1><ul> <li> <p>Ubuntu 系统：</p> </li> <li> <p>创建好系统后，打开所有端口，防止访问不到</p> </li> <li> <p>sudo apt update # 更新包索引</p> </li> <li> <p>sudo apt install mosquitto mosquitto-clients # 安装服务器和客户端工具</p> </li> </ul> <h1 id="步骤-2启动-mosquitto-服务">步骤 2：启动 Mosquitto 服务 </h1><h3 id="启动服务">启动服务 </h3><div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">sudo systemctl start mosquitto </span></span></code></pre></td></tr></table> </div> </div><h1 id="设置开机自启动可选避免重启后需手动启动">设置开机自启动（可选，避免重启后需手动启动） </h1><div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">sudo systemctl <span class="nb">enable</span> mosquitto </span></span></code></pre></td></tr></table> </div> </div><h1 id="步骤-3验证服务是否启动成功">步骤 3：验证服务是否启动成功 </h1><h3 id="查看服务状态">查看服务状态： </h3><div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span><span class="lnt">2 </span><span class="lnt">3 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">sudo systemctl status mosquitto </span></span><span class="line"><span class="cl"><span class="c1"># 查看端口是否被监听</span> </span></span><span class="line"><span class="cl">ss -tuln <span class="p">|</span> grep <span class="m">1883</span> </span></span></code></pre></td></tr></table> </div> </div><h1 id="步骤-4可选建议必选配置-mosquitto">步骤 4：（可选，建议必选）配置 Mosquitto </h1><h3 id="位置可能有出入请自己使用cd指令打开文件夹手动检查一定要使用sudo">位置可能有出入，请自己使用cd指令打开文件夹手动检查，一定要使用sudo </h3><div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">sudo vim /etc/mosquitto/mosquitto.conf <span class="c1"># 打开配置文件</span> </span></span></code></pre></td></tr></table> </div> </div><ul> <li>在配置文件中使用i键进入insert模式，在配置文件末尾添加</li> </ul> <h1 id="允许所有网络接口访问监听所有ip地址">允许所有网络接口访问（监听所有IP地址） </h1><div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span><span class="lnt">2 </span><span class="lnt">3 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">listener <span class="m">1883</span> 0.0.0.0 </span></span><span class="line"><span class="cl"><span class="c1"># 允许匿名用户连接</span> </span></span><span class="line"><span class="cl">allow_anonymous <span class="nb">true</span> </span></span></code></pre></td></tr></table> </div> </div><h3 id="执行完后按zz大写退出">执行完后按zz（大写）退出 </h3><h1 id="步骤-5重启-mosquitto-服务">步骤 5：重启 Mosquitto 服务 </h1><h3 id="如果你修改了配置文件必须重启服务才能让配置文件生效">如果你修改了配置文件，必须重启服务才能让配置文件生效 </h3><div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">sudo systemctl restart mosquitto </span></span></code></pre></td></tr></table> </div> </div><h1 id="步骤-6查看mqtt服务器日志确定是否连接成功">步骤 6：查看mqtt服务器日志，确定是否连接成功 </h1><h3 id="查看日志文件如果连接成功日志文件里面会有你的公网地址信息">查看日志文件，如果连接成功，日志文件里面会有你的公网地址信息 </h3><div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">tail -f /var/log/mosquitto/mosquitto.log </span></span></code></pre></td></tr></table> </div> </div>