The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
0 13 */8 * *
This cron command translates to the following (in Human-Readable format):
“Every 8 days at 1:00 pm.”
What is a Cron Job & Crontab?
Crontab is a file that contains instructions for the cron daemon, which is a program that executes commands at specified intervals. Crontab files are typically edited with the crontab command, which allows users to create, edit, and delete their own crontab files.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every 8 days at 1:00 pm“:
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..
You might want to set up a crontab or cron job to run every 8 days at 1:00 pm for several reasons, including:
- To run a backup of all user data every 8 days
- To send out a reminder email to users every 8 days
- To generate reports on system usage every 8 days
Similar Cron Jobs
You might also want to run a crontab:
- every 3 days
- every 4 days
- every 7 days
- every 10 days
- every 2 days
- every 6 days
- every 1 day at 1:00 pm
- every 10 days at 10:30 pm
FUN FACT: When configuring a cron job, you can specify the minute, hour, day of the month, month and day of the week when it should run – this gives you a lot of flexibility in terms of when your task will be performed automatically!.
In this article, you learned how to set up a cron job that runs every 8 days at 1:00 pm. 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 crontab cheat sheet for a list of hundreds of popular cron jobs.