Mqtt node not connect to MQTT Broker

I install node red on ubuntu server at AWS .I create Mqtt node but my node not connect MQTT Broker.
node showing connecting message. Pleas rifer screen shot

Welcome to the forum @dhana

Have you installed a broker? If so what software and where have you installed it?

I installed Node-red only .I am beginner please guide me to configer broker

Mosquito is a very common MQTT broker. Search the internet for how to install.

In that case, I recommend watching this playlist: Node-RED Essentials. The videos are done by the developers of node-red. They're nice & short and to the point. You will understand a whole lot more in about 1 hour. A small investment for a lot of gain. It will not address installing mosquitto, but will tell you a lot about node-red.

Also, to learn about MQTT in general (again, not specifically mosquitto), then see this tutorial MQTT Essentials - All Core Concepts explained

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thank you Colin

I have changed the category of this from Creating Nodes (which is for developing contributed nodes) to General.

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