npm init -y
node index.js
sudo npm i mqtt -g
mqtt sub -t 'hola' -h 'test.mosquitto.org' -v
mqtt pub -t 'hola' -h 'test.mosquitto.org' -m 'from Mqtt.js'
Name Broker Address TCP Port TLS Port WebSocket Port Message Retention Persistent Session Sign Up Requred Link
Eclipse mqtt.eclipse.org 1883 N/A 80, 443 YES YES NO Link
HiveMQ broker.hivemq.com 1883 N/A 8000 YES YES NO Link
Flespi mqtt.flespi.io 1883 8883 80, 443 YES YES YES Link
Dioty mqtt.dioty.co 1883 8883 8080, 8880 YES YES YES Link
Fluux mqtt.fluux.io 1883 8883 N/A N/A N/A NO Link
EMQX broker.emqx.io 1883 8883 8083 YES YES NO Link