1. 引入mosquitto仓库并更新
sudo apt-add-repository ppa:mosquitto-dev/mosquitto-ppa
sudo apt-get update
2. 执行以下命令安装mosquitto包
sudo apt-get install mosquitto
3. 安装mosquitto开发包
sudo apt-get install libmosquitto-dev
4. 安装mosquitto客户端
sudoapt-get install mosquitto-clients
5. 查询mosquitto是否正确运行
sudo service mosquitto status
6. 本机测试
打开一个终端，执行以下命令订阅主题"mqtt"
mosquitto_sub -h localhost -t "mqtt" -v
打开另外一个终端，发布消息到主题 “mqtt”
mosquitto_pub -h localhost -t "mqtt" -m "Hello MQTT"