Is there a --daemon option? I think it does not exist. And confirming, I would think you are referring to queue:listen, aren't you?

Anyway, answering, from what I understood.. you can run multiple listeners, in background using & for example:

/usr/bin/php artisan queue:listen --queue=emails --timeout=50 --sleep=5 --tries=3 --verbose &

/usr/bin/php artisan queue:listen --queue=anotherqueue &

(..)

Also, I suggest you use some process management like 'supervisor' ( http://supervisord.org ) so you can have it monitoring all your listen processes.

Hope it helped.

Regards,

Robson

You can also run couple of daemons using the supervisord:

[program:qlistener_dashboard]
command=php artisan queue:listen --timeout=300
directory=/var/www/
process_name=%(program_name)s_%(process_num)s
numprocs=2
numprocs_start=0
autostart=true
autorestart=true
startsecs=1
startretries=3
exitcodes=0,2
stopsignal=TERM
stopwaitsecs=10
redirect_stderr=false
stdout_logfile=/var/log/supervisor/qlistener_dashboard_%(process_num)s-stdout.log
stdout_logfile_maxbytes=50MB
stdout_logfile_backups=10
stdout_capture_maxbytes=0
stdout_events_enabled=false
stderr_logfile=/var/log/supervisor/qlistener_dashboard_%(process_num)s-stderr.log
stderr_logfile_maxbytes=50MB
stderr_logfile_backups=10
stderr_capture_maxbytes=0
stderr_events_enabled=false
serverurl=AUTO

Check the numprocs option.