Alpine CronJobs

crond.md

crond/crontabs

setup

# change root for other users
$ vi /etc/crontabs/root

# for example add /etc/periodic/minute folder below to run every minute

# do daily/weekly/monthly maintenance
# min   hour    day     month   weekday command
*       *       *       *       *       run-parts /etc/periodic/minute
*/15    *       *       *       *       run-parts /etc/periodic/15min
0       *       *       *       *       run-parts /etc/periodic/hourly
0       2       *       *       *       run-parts /etc/periodic/daily
0       3       *       *       6       run-parts /etc/periodic/weekly
0       5       1       *       *       run-parts /etc/periodic/monthly

# you may need this after /etc/crontabs/root changes
$ rc-service crond restart

$ cat <<EOF > /etc/periodic/minute/print_date
#!/bin/sh
date > /root/current_date
EOF
$ chmod +x /etc/periodic/minute/print_date

test

$ cd
$ cat current_date
Sat Jul  5 16:45:00 UTC 2025

# to run cron jobs from particular folder
run-parts /etc/periodic/minute