The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
30 22 */9 * *
This cron command translates to the following (in Human-Readable format):
“Every 9 days at 10:30 pm.”
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 commonly used to automate system maintenance or administration tasks, such as running backups or sending emails.
Each user has their own crontab file, and the commands in this file are only executed by that particular user. The file contains instructions for the cron daemon. To edit your crontab file, you can use the crontab command.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every 9 days at 10:30 pm“:
FUN FACT: One common use for cron jobs is to send out email reminders or notifications based on certain events (such as an upcoming deadline)..
You might want to set up a crontab or cron job to run every 9 days at 10:30 pm for several reasons, including:
- Scheduling a backup to run every 9 days at 10:30 pm
- Sending out a notification or reminder every 9 days at 10:30 pm
- Running a script or program every 9 days at 10:30 pm
Similar Cron Jobs
You might also want to run a crontab:
- every 9 days
- every 2 days
- every 6 days
- every 5 days
- every 4 days
- every 7 days at 8:00 pm
- every 4 days at 5:30 pm
FUN FACT: If a cron job is not properly configured, it might never execute – so make sure you double-check your settings before setting one up!.
In this article, you learned how to set up a cron job that runs every 9 days at 10:30 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 cron job cheat sheet for a list of hundreds of popular cron jobs.