MOSQUITTO_PASSWD(1) Commands MOSQUITTO_PASSWD(1) (NAME) mosquitto_passwd - mosquitto (SYNOPSIS) mosquitto_passwd [-H hash] [-c | -D] passwordfile username mosquitto_passwd [-H hash] -b passwordfile username password mosquitto_passwd -U passwordfile (DESCRIPTION) mosquitto_passwd MQTT mosquitto . <<:>> . crypt(3) . (OPTIONS) -b (batch mode). . -c . . - stdout . -b . -D . -H . argon2id sha512-pbkdf2 sha512 . argon2id . sha512 Mosquitto 1.6 . -U / . . . passwordfile . username //. password . (EXIT STATUS) mosquitto_passwd . (EXAMPLES) : o mosquitto_passwd -c /etc/mosquitto/passwd ral : o mosquitto_passwd /etc/mosquitto/passwd ral : o mosquitto_passwd -b /etc/mosquitto/passwd ral z2Dr0BsvtZ : o mosquitto_passwd /etc/mosquitto/passwd ral sha512 Mosquitto 1.6: o mosquitto_passwd -H sha512 /etc/mosquitto/passwd ral : o mosquitto_passwd -D /etc/mosquitto/passwd ral (ENVIRONMENT VARIABLES) MOSQUITTO_UNSAFE_ALLOW_SYMLINKS (symbolic link) . . . (BUGS) mosquitto : https://github.com/eclipse- mosquitto/mosquitto/issues (SEE ALSO) mosquitto(7), mosquitto(8), mosquitto.conf(5), mqtt(7) (AUTHOR) Roger Light Mosquitto Project 04/03/2026 MOSQUITTO_PASSWD(1)