Question 1

How to install mqtt-cli on Windows?

Accepted Answer

Check the installation documentation linked in the README; it typically involves downloading pre-built binaries or using package managers like Chocolatey. For source builds, follow the guide which may require Java or other dependencies.

Question 2

mqtt-cli vs mosquitto_pub for simple testing?

Accepted Answer

mqtt-cli offers more features like an interactive shell and broker testing, while mosquitto_pub is lighter for basic publish/subscribe. Choose mqtt-cli if you need advanced functionality beyond minimal commands.

Question 3

How to use mqtt-cli shell mode for scripting?

Accepted Answer

Start with `mqtt sh` to enter the interactive shell, where you can run commands sequentially; for automation, combine it with shell scripts using input redirection or expect-like tools, as detailed in the documentation.

Question 4

Does mqtt-cli support MQTT over WebSocket?

Accepted Answer

Yes, it likely supports WebSocket connections as part of MQTT 5.0 features; refer to the publish and subscribe documentation for specific options like `-ws` or `-port` settings to configure it.

Question 5

Can mqtt-cli test broker performance under load?

Accepted Answer

The test command includes basic compliance checks, but for high-performance load testing, you might need to supplement with custom scripts or other tools, as mqtt-cli focuses on feature verification rather than stress testing.

Question 6

How to subscribe to wildcard topics with mqtt-cli?

Accepted Answer

Use the subscribe command with topic filters like `-t "+/sensor/#"`, following MQTT wildcard rules; the README's subscribe section and documentation provide examples for handling multiple topics efficiently.

MQTT CLI

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