The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
0 3 */7 * *
This cron command translates to the following (in Human-Readable format):
“Every 7 days at 3:00 am.”
What is a Cron Job & Crontab?
A cron job is a task that is scheduled to run at a specified time or interval. Cron jobs are typically used to perform system maintenance or administration tasks, such as backing up data or generating reports.
Crontab files are stored in the “/etc/cron*” directories on most Linux systems. Each user has their own crontab file, and there is also a system-wide crontab file that can be used to schedule system tasks.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every 7 days at 3:00 am“:
FUN FACT: Cron jobs are often used to perform regular maintenance tasks, such as running backups or sending out reports..
You might want to set up a crontab or cron job to run every 7 days at 3:00 am for several reasons, including:
- Run a script to update a database
- Generate reports
- Perform maintenance tasks
- Send out notifications or emails
Similar Cron Jobs
You might also want to run a crontab:
- every 10 days
- every 1 day
- every 9 days
- every 5 days
- every 3 days
- every 3 days at 2:30 am
- every 5 days at 3:30 am
FUN FACT: Each user on a system can have their own crontab, and commands in them will be executed as that user..
In this article, you learned how to set up a cron job that runs every 7 days at 3:00 am. Please share this page with friends and colleagues if you find it useful.
If you have any questions, please don’t hesitate to comment below.
If you are looking for cron jobs that run at certain minutes, hours, days, weekdays, or months, or if you are looking for miscellaneous cron jobs, then check out our relevant sections, or visit our cron job cheat sheet for a list of hundreds of popular cron jobs.