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in my dedicated server i have i have hidden cron job (one of the cpanel user account is using) running which is not showing up anywhere (installation is based on cpanel/whm)

first i had a look at the 

crontab -e

to see if there no its not there, then i had a look at the cpanle account cron files

/var/spool/cron/username

its not there either,

nor 

/etc/crontab

nothing in 

/var/logs/cron

i can see it running everyday (becaue i see the emails going) but i cant findout where is this coming from.

Also another strange thing i noticed is the usual setup for

doesn't work but 

30 9 * * 3 php /home/username/public_html/protected/cron.php Weekly

this works 

15 4 * * * lynx -dump 'http://www.xxx.com/admin/counts.php'

not sure what is this problem and where its coming from and no idea on whats going on in the crons...

any luck ?

mahen3d
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  • If it's a cron job it has to be triggered by something in the crontabs directory (`/var/spool/cron/*`) or the system crontab (`/etc/crontab`, possibly `/etc/cron.d` on Linux systems). You may also have a cron job that runs other tasks... – voretaq7 Nov 15 '12 at 06:22
  • if it's really run by cron, check the cron log /var/log/cron – chocripple Nov 15 '12 at 06:25
  • i checked the /var/log/cron there is no log there then i checked the ect/crontab there is nothing there too ... no such file called etc/cron.d hmmm still a mistry ... – mahen3d Nov 15 '12 at 07:55

3 Answers3

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The periodic task/s might not be running through cron. If cron isn't logging them and they're not showing up in /var/spool/cron or /etc/cron.d, then check if any other task scheduling daemon (such as monit) is running.

If you find it/them running then you can look up its(the task scheduling daemon's) configuration to find possible suspects.

n3rV3
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check /var/log/syslog (in Ubuntu) if its a cron it should get listed there, you might also want to grep the command which is executing in syslog that would tell you how is it getting executed

APZ
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Also don't forget others like logrotate.d because they may include scripts run before/after each log rotation

Omid Kosari
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