1.参考文件：https://blog.csdn.net/NRWHF/article/details/131359662
2.安装
sudo apt-get install mosquitto mosquitto-clients
3.配置文件
/etc/mosquitto/mosquitto.conf
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user kd
topic write terminal
topic read host
user yx
topic write host
topic read terminal
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sudo service mosquitto status
sudo service mosquitto start
udo service mosquitto stop
4.订阅消息
mosquitto_sub -t "host" -u "kd" -P "qwe#124!"
5.发布消息
mosquitto_pub -t "host" -m "How old are you?" -u "yx" -P "qwe#124!"
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c++
todo...
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