cron doesn't execute any task, but writes into log as executed

Posted by FractalizeR on Server Fault See other posts from Server Fault or by FractalizeR
Published on 2010-04-30T11:38:50Z Indexed on 2010/04/30 11:47 UTC
Read the original article Hit count: 360

Filed under:

cron

|

centos

I have strange problem on one of my servers. Cron does not execute any task, but it writes to it's log, that task has been executed successfully. Like some simulation mode is activated...

Apr 30 03:03:08 nd-10049 crond[13387]: (root) CMD (php /usr/local/frb/backup.php)
Apr 30 03:05:01 nd-10049 crond[13397]: (root) CMD (php /home/support/public_html/cron/cron_hourly.php>/home/support/public_html/cron/hourly.log)
Apr 30 03:09:01 nd-10049 crond[19108]: (root) CMD (/etc/webmin/cron/tempdelete.pl )
Apr 30 03:10:01 nd-10049 crond[19467]: (root) CMD (php /home/support/public_html/cron/cron_hourly.php>/home/support/public_html/cron/hourly.log)
Apr 30 03:14:44 nd-10049 crontab[21154]: (root) BEGIN EDIT (root)
Apr 30 03:15:01 nd-10049 crond[21309]: (root) CMD (php /home/support/public_html/cron/cron_hourly.php>/home/support/public_html/cron/hourly.log)
Apr 30 03:15:38 nd-10049 crontab[21154]: (root) REPLACE (root)
Apr 30 03:15:38 nd-10049 crontab[21154]: (root) END EDIT (root)
Apr 30 03:16:01 nd-10049 crond[14961]: (root) RELOAD (cron/root)
Apr 30 03:20:02 nd-10049 crond[22620]: (root) CMD (php /home/support/public_html/cron/cron_hourly.php)

There are no errors about cron in common log (messages). The OS is CentOS. What can I do to check what is the problem? What can the problem be?

© Server Fault or respective owner

Related posts about cron

any clue in these logs why keyboard audio and internet are messed up

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
Jun 7 00:01:18 Isis lightdm: pam_unix(lightdm-autologin:session): session opened for user mimi by (uid=0) Jun 7 00:01:18 Isis lightdm: pam_ck_connector(lightdm-autologin:session): nox11 mode, ignoring PAM_TTY :0 Jun 7 00:01:26 Isis polkitd(authority=local): Registered Authentication Agent for… >>> More
cron.daily not running at the time it should?

as seen on Server Fault - Search for 'Server Fault'
My /etc/cron.daily scripts seem to be executing far later from what I understand they should. I am in Ubuntu and anacron is installed. If I do a sudo cat /var/log/syslog | grep cron I get something like: Aug 23 01:17:01 mymachine CRON[25171]: (root) CMD ( cd / && run-parts --report /etc/cron… >>> More
mdadm cron job sends email that cron has run

as seen on Server Fault - Search for 'Server Fault'
I've got an Ubuntu 8.04 server using mdadm to create several RAID1 arrays. I created /etc/cron.hourly/mdadm as follows: #! /bin/sh set -e mdadm --monitor /dev/md0 /dev/md3 /dev/md4 --oneshot (Yes, the array numbers are not sequential, and I'm not using --scan beacuse I have a degraded array that… >>> More
Cron Tips for not running cron jobs on holidays (the monday of a three day weekend)

as seen on Super User - Search for 'Super User'
We have about a one hundred machine set-up with each machine running cron jobs like starting and stopping services and archiving these services' log files at the end of the day to a centralized repository. One headache we have is the three-day weekend (we're closed on holidays). We don't want the… >>> More
cron doesn't execute it's commands

as seen on Server Fault - Search for 'Server Fault'
I created an own small server with Debian. Last night i updated it. It created an error while generating the initrd and it didn't boot. Today i booted from another filesystem and did dpkg --configure -a with chroot. I also checked the filesystem. Now everything should be ok. But cron doesn't work:-(… >>> More

Related posts about centos

Problems with repositories on CentOS 3.9

as seen on Super User - Search for 'Super User'
Hello, I have CentOS 3.9 for i386. When I try to instal some thing with yum, i.e: yum install firefox or yum install firefox* or yum list firefox and so on, I get: +++++++++++++++++++ yum info firefox Gathering header information file(s) from server(s) Server: CentOS-3 - Addons Server: CentOS-3 -… >>> More
Problems with repositories on CentOS 3.9

as seen on Stack Overflow - Search for 'Stack Overflow'
Hello, I have CentOS 3.9 for i386. When I try to instal some thing with yum, i.e: yum install firefox or yum install firefox* or yum list firefox and so on, I get: +++++++++++++++++++ yum info firefox Gathering header information file(s) from server(s) Server: CentOS-3 - Addons Server: CentOS-3 -… >>> More
centos yum problems

as seen on Server Fault - Search for 'Server Fault'
I am really new to using linux and have just formatted my centos 5.2 vps and am trying to install links by using the command yum install links. But the following error gets displayed: [root@inverses ~]# yum install links Loading "fastestmirror" plugin Loading mirror speeds from cached hostfile *… >>> More
Networking issues with Linux server (CentOS 5.3)

as seen on Server Fault - Search for 'Server Fault'
I have a Linux server hosting our bug tracking software (CentOS 5.2 Kernel 2.6.18-128.4.1.el5) that I have having some strange network problems with. The machine is configured with two NICS, one for the public interface and the other for our server back end network. The problem is that after doing… >>> More
Networking issues with Linux server (CentOS 5.3)

as seen on Server Fault - Search for 'Server Fault'
I have a Linux server hosting our bug tracking software (CentOS 5.2 Kernel 2.6.18-128.4.1.el5) that I have having some strange network problems with. The machine is configured with two NICS, one for the public interface and the other for our server back end network. The problem is that after doing… >>> More