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Cron Jobs
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Cron jobs allow you to automate repetitive tasks on the server that hosts your web site. This is a powerful tool that allows you to take a hands-free approach to repetitive tasks. For example, you could add a cron job that automatically copies a MySQL database to a separate location on your site as a backup.
There are two different modes you can use to add a cron job:
- Standard - Provides a range of pre-set options that you can choose. This is the simplest method and is recommended.
- Advanced (Unix Style) - Provides the regular Unix style cron options. Recommended for users who are used to this method of entering cron entries.
Warning: You need to have a good knowledge of Linux commands before you can use cron jobs effectively. Check your script with your hosting administrator
before adding a cron job.
To add or modify a cron job in Standard Mode:
- Click on the Cron Jobs icon in your Control Panel.
- Click on the Standard button.
- Enter the e-mail address to send the results of running the cron job in the top field.
- Enter the command the you want to run in the Command to run field.
- Click on one option from each of the available lists.
- Click on the Save Crontab button. Your cron job has now been added or updated.
Note: You can always click on the Reset Changes button to change the cron job back to whatever it was before you started entering information.
To add or modify a cron job in Advanced (Unix Style) Mode:
- Click on the Cron Jobs icon in your Control Panel.
- Click on the Advanced (Unix Style) button.
- Enter the times for the cron job in the Minute, Hour,
Day, Month, or Weekday fields.
- Enter the cron job script in the Command field.
- Click on the Commit Changes button. Your cron job has now been added or updated.
Note: You can always click on the Reset Changes button to change the cron job back to whatever it was before you started entering information.
Deleting a cron job:
Delete a cron job when you no longer want the command to be automated. If you are unsure what a cron job is doing it is safer to delete it and check the code with your hosting administrator.
To delete a cron job:
- Click on the Cron Jobs icon in your Control Panel.
- Click on the Standard or Advanced (Unix Style) button.
- Click on the Delete button next to the required cron job.
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