The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
1 * * * *
This cron command translates to the following (in Human-Readable format):
“Every 1 hour at 1 minutes past the hour.”
What is a Cron Job & Crontab?
A cron job is a time-based task that is set to run at specific intervals. These jobs are usually used for maintenance or automation purposes. For example, a cron job could be set to delete temporary files every week so that they don’t take up space on the server.
Crontab is a file that contains commands and instructions for the cron daemon to execute. The crontab file is usually located in the /etc/cron directory. Each user on a system can have their own crontab file. The commands in the crontab files are executed by the cron daemon at the specified times.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every 1 hour at 1 minutes past the hour“:
FUN FACT: Cron jobs are named after the Greek god of time, Chronos – so now you know where the name comes from!.
You might want to set up a crontab or cron job to run every 1 hour at 1 minutes past the hour for several reasons, including:
- deleting old temporary files
- sending out a daily report
- backing up the database
- refreshing data from an external API
Similar Cron Jobs
You might also want to run a crontab:
- every 3 hours
- every 8 hours
- every 5 hours
- every 6 hours
- every 1 hour
- every hour between 3:00 am and 12:00 pm
- every 8 hours at 40 minutes past the hour
- every 1 hour at 1 minutes past the hour
FUN FACT: You can use cron to schedule just about anything!.
In this article, you learned how to set up a cron job that runs every 1 hour at 1 minutes past the hour. 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.