1.1 KiB
1.1 KiB
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In Arch Linux I use cronie for cron jobs
# View list of cron jobs
crontab -l
# Open cron file
crontab -e
**Syntax **
m h d mon dow command
# minute, hour, day of month, day of week, bash script/args
# 0-59, 0-23, 1-31, 1-12, 0-6
Examples
Run on the hour every hour
0 * * * * mysqlcheck --all-databases --check-only-changed --silent
At 01:42 every day:
42 1 * * * mysqlcheck --all-databases --check-only-changed --silent
Shorthands
@reboot– Run once, at startup@yearly– Run once a year, “0 0 1 1 *”.</>@annually– same as @yearly@monthly– Run once a month, “0 0 1 * *”@weekly– Run once a week, “0 0 * * 0”@daily– Run once a day, “0 0 * * *”@midnight– same as @daily@hourly– Run once an hour, “0 * * * *”
Examples
@hourly mysqlcheck --all-databases --check-only-changed --silent
View the logs
sudo grep crontab syslog