mosquitto_passwd
manages password files for the Mosquitto MQTT broker
TLDR
Create password file with user
$ mosquitto_passwd -c [passwordfile] [username]
Add user to existing file$ mosquitto_passwd [passwordfile] [username]
Delete user$ mosquitto_passwd -D [passwordfile] [username]
Batch mode with password$ mosquitto_passwd -b [passwordfile] [username] [password]
SYNOPSIS
mosquitto_passwd [options] passwordfile [username]
DESCRIPTION
mosquitto_passwd manages password files for the Mosquitto MQTT broker. Creates and modifies password entries with secure hashing. Used for client authentication in MQTT messaging systems.
PARAMETERS
-c
Create new password file.-D
Delete user from file.-b
Batch mode, password on command line.-U
Upgrade plain text file to hashed.
CAVEATS
Avoid -b flag in scripts as passwords may appear in process listings. Use interactive mode or pipe from secure sources.
SEE ALSO
mosquitto(1), mosquitto_sub(1), mosquitto_pub(1)