Fix Celery Error

fix-celery.sh

#!/bin/bash

# check the celery status
sudo tail -f /edx/var/log/{lms,cms,nginx}/*log | grep celery

# create the same celery account that used in lms.auth.json & cms.auth.json
sudo rabbitmqctl add_user celery celery
sudo rabbitmqctl set_permissions celery ".*" ".*" ".*"

# restart the service
sudo service rabbitmq-server restart

# reboot system
sudo reboot