The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
0 23 */2 * *
This cron command translates to the following (in Human-Readable format):
“Every 2 days at 11:00 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 typically used for automating system maintenance or administration tasks, such as running backups or sending email reports.
A crontab is a text file that contains a list of commands to be run at specified times. The commands in the crontab are executed by the cron daemon, which runs on most Unix-like systems.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every 2 days at 11:00 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 2 days at 11:00 pm for several reasons, including:
- run a script to update software on servers
- run a script to backup databases
- send out nightly emails summarizing the day’s events
Similar Cron Jobs
You might also want to run a crontab:
- every 9 days
- every 3 days
- every 8 days
- every 2 days
- every 3 days at 3:30 pm
- every 6 days at 11:30 am
- every 2 days at 7:00 pm
FUN FACT: Each user on a system can have their own crontab, and commands in them will be executed as that user..
In this article, you learned how to set up a cron job that runs every 2 days at 11:00 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.