一、版本选择
二、安装教程
1、下载emqx
wget https://www.emqx.com/zh/downloads/broker/5.7.2/emqx-5.7.2-el7-amd64.rpm
2、安装emqx
sudo yum install emqx-5.7.2-el7-amd64.rpm -y
3、启动emqx
sudo systemctl start emqx
三、发布与订阅
sudo yum install mosquitto mosquitto-clients -y
1、订阅消息
mosquitto_sub -h localhost -t "test/topic"
2、发布消息
mosquitto_pub -h localhost -t "test/topic" -m "Hello MQTT"
