Your cron scheduler should be working as long as you put your files to
/etc/cron.hourly or something. If not, the problem might be found somewhere like the following:
Is the permission correct? It should be
755or something like that.
Does your filename use only upper and lower cases, hyphens, and underscores? The cron is pretty pedantic about the filename. Do NOT add a file extension!
How about the result of
run-parts --test /etc/cron.hourly? Is your script found there?
If you use crontab (not
/etc/cron.hourly), did you set your scheduler correctly to
crontab? Specifically correct user, correct time, and in Ubuntu, did you destroy your error log? Here are examples:
Run every hour?
0 * * * * python /var/www/your_script >/dev/null 2>&1
Run every 3 hours?
0 */3 * * * python /var/www/your_script > /dev/null 2>&1
Does your script destroy your error log via
>/dev/null 2>&1? If not, either change your script so that it doesn't output any logs, or change your scheduler so that it doesn't output any logs.
Still not working? Here is how to debug.
Check out log files by
grep CRON /var/log/syslog
The execution time and user are described in
/etc/crontab. To edit it, run
WARNING: The result on
crontab -eis different as the former is about