I have an application that contains a bunch of tasks, and every day I want to run a cron job that creates a DayTask for each Task in the database. A Task has_many DayTasks a
You have to actually register the job with the crontab by running:
whenever --update-crontab
Also if you're trying to get jobs running locally, add :environment => "development" to your task
:environment => "development"
runner "MyTask.some_action", :environment => "development"