mosquitto の設定変更

/etc/mosquitto/mosquitto.conf

listener 8083
allow_anonymous true
listener 8080
protocol websockets

再起動

sudo systemctl restart mosquitto

Publish

BROKER="localhost"
#
echo $BROKER
message="Hello Mqtt "`date`
mosquitto_pub -d -t orz -m "${message}" \
    -h  $BROKER \
    --topic example/testTopic -p 8083

Subscribe

BROKER="localhost"
#
mosquitto_sub -d -t orz -h $BROKER \
    --topic example/testTopic -p 8083

mqtt コマンドライン　を使って接続

Publish

mqtt pub -t 'example/testTopic' -h 'localhost' -p 8083 -m 'Good Afternoon'

Subscribe

mqtt sub -t 'example/testTopic' -h 'localhost' -p 8083 -v