.. _crontab: Crontab ======= a crontab is a system that automates tasks for you, at a given moment. Here are the tasks to run the **Trigger Happy** engine automatically .. code-block:: bash # trigger happy 20,40 * * * * . /home/trigger-happy/bin/recycle 10,25,41,55 * * * * . /home/trigger-happy/bin/read */15 * * * * . /home/trigger-happy/bin/publish The first line is used to recycle the data, that is unpublished, for example, because of reaching a rate limit. When this behavior occurs, the data stays in the cache, to be used at the next loop. content of the **recycle** command .. code-block:: bash . /home/trigger-happy/bin/activate && cd /home/trigger-happy/th/ && python manage.py recycle content of the **read** command .. code-block:: bash . /home/trigger-happy/bin/activate && cd /home/trigger-happy/th/ && python manage.py read content of the **publish** command .. code-block:: bash . /home/trigger-happy/bin/activate && cd /home/trigger-happy/th/ && python manage.py publish You may notice the folder `/home/trigger-happy/th/` in each command, this is a virtualenv given for the example The periodicity of the execution is set like this, to avoid to make 2 tasks run in same time, and also, to avoid to reach often the rate limitation of Twitter and others sensitives services.