I tried to search the relative questions on stackoverflow and on google but didn't find something which could solve my issue.
I have BROKER_URL set in my /etc/default/celeryd configuration as redis. BROKER_URL="redis://localhost:6379"
But when I start /etc/init.d/celeryd start
it says: "ERROR/MainProcess] consumer: Cannot connect to amqp://guest@127.0.0.1:5672//:"
Also on the docs page I saw about celeryconfig.py. I don't understand why should I have two config files? /etc/default/celeryd is there for configuration.