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Disable login with MQTT

Edit conf:

vim /etc/mosquitto/conf.d/default.conf

Insert the following

allow_anonymous false
password_file /etc/mosquitto/passwd
listener 1883
listener 8000
protocol websockets
log_dest  none

Remove password

Open terminal window and type:

sudo visudo
In the bottom of the file, type the follow:

username ALL=(ALL) NOPASSWD: ALL