The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
30 1 */6 * *
This cron command translates to the following (in Human-Readable format):
“Every 6 days at 1:30 am.”
What is a Cron Job & Crontab?
A cron job is a task that is scheduled to run at a specific time or interval. Cron jobs are typically used for automating tasks, such as running backups or sending emails.
A crontab is a file containing commands and instructions for the cron daemon to execute. The crontab is used to schedule jobs (commands or shell scripts) to run periodically at certain times or dates.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every 6 days at 1:30 am“:
FUN FACT: When troubleshooting issues with cron jobs, it can be helpful to run them manually from the command line – this will allow you to see any error messages that might be generated..
You might want to set up a crontab or cron job to run every 6 days at 1:30 am for several reasons, including:
- Backup a database
- Perform maintenance tasks on a web server
- Generate reports
- Send out notifications or emails
Similar Cron Jobs
You might also want to run a crontab:
- every 4 days
- every 3 days
- every 6 days
- every 7 days
- every 5 days
- every 3 days at 3:00 am
- every 4 days at 2:00 am
- every 4 days at 8:00 am
FUN FACT: If you need to temporarily disable a cron job, you can simply comment out the line in the crontab file that corresponds to that particular task..
In this article, you learned how to set up a cron job that runs every 6 days at 1:30 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.