ubuntu20搭建MQTT

K歌、之王2025-08-28 10:44

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sudo apt update
sudo apt install mosquitto mosquitto-clients
sudo mosquitto_passwd -c /etc/mosquitto/passwd myuser
sudo nano /etc/mosquitto/mosquitto.conf

bash 复制代码

# 允许匿名用户连接（默认为 true，我们先关闭它）
allow_anonymous false

# 指定密码文件路径
password_file /etc/mosquitto/passwd

# 设置监听器（可选，确保它在监听本地和/或网络）
listener 1883

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sudo chmod 644 /etc/mosquitto/passwd

查看日志

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/var/log/mosquitto/mosquitto.log

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# 第二个用户
sudo mosquitto_passwd  /etc/mosquitto/passwd user2

测试

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mosquitto_sub -h localhost -t "test/topic" -u "myuser" -P "your_password"
mosquitto_pub -h localhost -t "test/topic" -m "Hello Secure MQTT!" -u "myuser" -P "your_password"