Ubuntu 20.04 安装 MQTT(mosquitto)

安装mosquitto borker

sudo apt-get update
sudo apt-get install mosquitto

安装mosquitto clients

sudo apt-get install mosquitto-clients

查看运行状态

systemctl status mosquitto

状态信息:

 mosquitto.service - Mosquitto MQTT v3.1/v3.1.1 Broker
 Loaded: loaded (/lib/systemd/system/mosquitto.service; enabled; vendor pre>
 Active: active (running) since Mon 2022-05-09 16:59:13 CST; 16h ago
   Docs: man:mosquitto.conf(5)
         man:mosquitto(8)
  Main PID: 524488 (mosquitto)
  Tasks: 3 (limit: 18708)
 Memory: 1.2M
 CGroup: /system.slice/mosquitto.service
         └─524488 /usr/sbin/mosquitto -c /etc/mosquitto/mosquitto.conf

重启mqtt服务

systemctl restart mosquitto

停止mqtt服务

systemctl stop mosquitto

测试使用mqtt

mosquitto -v

1652145455: mosquitto version 1.6.9 starting
1652145455: Using default config.
1652145455: Opening ipv4 listen socket on port 1883.
1652145455: Opening ipv6 listen socket on port 1883.

启动mosquitto监听1883端口

mosquitto -p 1883

启动mosquitto后台运行监听1884端口

mosquitto -p 1884 -d

**启动mosquitto后台运行使用mosquitti-2.conf配置文件

mosquitto -c /etc/mosquitto/mosquitto-2.conf -d

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