The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
0 0 10 */4 *
This cron command translates to the following (in Human-Readable format):
“Every 4 months on day 10 of the month.”
What is a Cron Job & Crontab?
A cron job is a time-based task that is typically set up to run automatically at regular intervals. For example, a cron job might be used to send out a daily email report or to back up files every night.
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 4 months on day 10 of the month“:
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 4 months on day 10 of the month for several reasons, including:
- Updating a calendar
- Checking for updates to a software package
- Generating reports
- Saving backups
Similar Cron Jobs
You might also want to run a crontab:
- every 5 months
- every 4 months
- every 1 month
- every 6 months
- every 2 months
- every 3 months
- every 2 months on day 19 of the month
- every 6 months on day 12 of the month
FUN FACT: Cron jobs are automated processes that run on a schedule..
In this article, you learned how to set up a cron job that runs every 4 months on day 10 of the month. 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.