Install
https://www.howtoforge.de/anleitung/so-installierst-du-mosquitto-mqtt-server-unter-ubuntu-22-04/
sudo apt-get install -y curl gnupg2 wget git apt-transport-https ca-certificates software-properties-common sudo add-apt-repository -y ppa:mosquitto-dev/mosquitto-ppa sudo apt install mosquitto mosquitto-clients -y sudo mosquitto_passwd -c -b /etc/mosquitto/passwd foo pass1234
# todo sudo cat <<EOF> /etc/mosquitto/conf.d/default.conf listener 1883 password_file /etc/mosquitto/passwd EOF chmod a+r /etc/mosquitto/passwd sudo systemctl restart mosquitto
Debug MQTT
http://mqtt-explorer.com/
https://snapcraft.io/install/mqtt-explorer/ubuntu#install
sudo snap install mqtt-explorer