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  • Added on: May 30 2012 02:05 AM
  • Views: 3334
 


Display/list cron jobs in debian/linux

Display/list cron jobs in debian for all users and how to delete cron. Lenny and Squeeze

Posted by daredevil on May 30 2012 02:05 AM
The cron service searches its spool area (usually /var/spool/cron/crontabs) for crontab files (which are named after user accounts); crontabs found are loaded into memory. cron also reads /etc/crontab, which is in a slightly different format. Additionally, cron reads the files in /etc/cron.d: it treats the files in /etc/cron.d as in the same way as the /etc/crontab file. The intended purpose of /etc/cron.d/ directory feature is to allow packages that require finer control of their scheduling than the /etc/cron.{daily,weekly,monthly} directories to add a crontab file to /etc/cron.d.


View Users Cronjob

crontab -u userName -l

Use the following syntax to view faetpub user cronjob:

crontab -u faetpub -l

View Root User Cronjob

Just type the following command:

crontab -l

View Daily Cronjob

Type the following commands:

cd /etc/cron.daily/
ls -l
cat filename

View Hourly Cronjobs

Type the following commands:

cd /etc/cron.hourly/
ls -l
cat filename

View Weekly Cronjobs

Type the following commands:

cd /etc/cron.weekly/
ls -l
cat filename

View Monthly Cronjobs

Type the following commands:

cd /etc/cron.monthly/
ls -l
cat filename

View Software (Package) Specific Cronjobs

Type the following commands

cd /etc/cron.d/
ls -l
cat filename

To delete user cron

Type the following command:
crontab -r -u username

Example: To delete all crons for user faetpub:
crontab -r -u faetpub