The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
0 0 27 * *
This cron command translates to the following (in Human-Readable format):
“Every 1 month on day 27 of the month.”
What is a Cron Job & Crontab?
A cron job is a time-based task that is set to run at specific intervals. This can be anything from running a backup script every night to sending out an email notification once a week. Cron jobs are typically used for maintenance or repetitive tasks.
A crontab (also known as a “cron table”) is a file that contains a list of commands that are executed at specified times.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every 1 month on day 27 of the month“:
FUN FACT: Cron is one of the most versatile tools in a Linux administrator’s toolbox..
You might want to set up a crontab or cron job to run every 1 month on day 27 of the month for several reasons, including:
- run a backup of all user data at the end of each month
- generate monthly reports on website usage statistics
- send out a newsletter to subscribers on the 27th of every month
- delete temporary files that are older than 1 month
Similar Cron Jobs
You might also want to run a crontab:
- every 3 months
- every 5 months
- every 2 months
- every 6 months
- every 4 months
- every 2 months on day 19 of the month
- every 6 months on day 17 of the month
FUN FACT: If you want to see what commands are scheduled in your crontab, type: “crontab -l”.
In this article, you learned how to set up a cron job that runs every 1 month on day 27 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 crontab cheat sheet for a list of hundreds of popular cron jobs.