mqttui(1) General Commands Manual mqttui(1)

mqttui - Subscribe to a MQTT Topic or publish something quickly from the terminal

mqttui [--payload-size-limit] [-b|--broker] [-u|--username] [--password] [-i|--client-id] [--client-cert] [--client-key] [--insecure] [-h|--help] [-V|--version] [TOPIC] [subcommands]

Subscribe to a MQTT Topic or publish something quickly from the terminal

Truncate the payloads stored to the given size.

Payloads bigger than that are truncated and not inspected for formats like JSON or MessagePack. Only their beginning up to the specified amount of bytes can be viewed. Increasing this value might result in higher memory consumption especially over time.

May also be specified with the MQTTUI_PAYLOAD_SIZE_LIMIT environment variable.
Print help (see a summary with '-h')
Print version
[TOPIC] [default: #]
Topic to watch
May also be specified with the MQTTUI_TOPIC environment variable.

URL which represents how to connect to the MQTT broker.

Examples: `mqtt://localhost` `mqtt://localhost:1883` `mqtts://localhost` `mqtts://localhost:8883` `ws://localhost/path` `ws://localhost:9001/path` `wss://localhost/path` `wss://localhost:9001/path`

May also be specified with the MQTTUI_BROKER environment variable.
Username to access the mqtt broker.

Anonymous access when not supplied.

May also be specified with the MQTTUI_USERNAME environment variable.
Password to access the mqtt broker.

Consider using a connection with TLS to the broker. Otherwise the password will be transported in plaintext.

Passing the password via command line is insecure as the password can be read from the history! You should pass it via environment variable.

May also be specified with the MQTTUI_PASSWORD environment variable.
Specify the client id to connect with
May also be specified with the MQTTUI_CLIENTID environment variable.
Path to the TLS client certificate file.

Used together with --client-key to enable TLS client authentication. The file has to be a DER-encoded X.509 certificate serialized to PEM.

May also be specified with the MQTTUI_CLIENT_CERTIFICATE environment variable.
Path to the TLS client private key.

Used together with --client-cert to enable TLS client authentication. The file has to be a DER-encoded ASN.1 file in PKCS#8 form serialized to PEM.

May also be specified with the MQTTUI_CLIENT_PRIVATE_KEY environment variable.
Allow insecure TLS connections

Clean retained messages from the broker
Log values from subscribed topics to stdout
Wait for the first message on the given topic(s) and return its payload to stdout
Publish a value quickly

v0.22.1

mqttui 0.22.1