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Old 4th August 2008
beandip beandip is offline
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Default Crontab not working

I am running FreeBSD 6.3 STABLE.

Everything seems to running fine however a while back my cacti scripts stopped working. I just now have had time to look into it and it appears that nothing that I have in my /etc/crontab is executing.
Code:
# ps aux|grep cron
root       1575  0.0  0.1  4720  1380  ??  Is    9:23AM   0:00.07 /usr/sbin/cron -s
root      10357  0.0  0.0   452   364  p0  R+    2:31PM   0:00.00 grep cron
I am not sure where to troubleshoot next. Any advice?

my crontab file has this
Code:
# /etc/crontab - root's crontab for FreeBSD
#
# $FreeBSD: src/etc/crontab,v 1.32 2002/11/22 16:13:39 tom Exp $
#
SHELL=/bin/sh
PATH=/etc:/bin:/sbin:/usr/bin:/usr/sbin
HOME=/var/log
#
#minute hour    mday    month   wday    who     command
#
*/5     *       *       *       *       root    /usr/libexec/atrun
#
# Save some entropy so that /dev/random can re-seed on boot.
*/11    *       *       *       *       operator /usr/libexec/save-entropy
#
# Rotate log files every hour, if necessary.
0       *       *       *       *       root    newsyslog
#
# Perform daily/weekly/monthly maintenance.
1       3       *       *       *       root    periodic daily
15      4       *       *       6       root    periodic weekly
30      5       1       *       *       root    periodic monthly
#
# Adjust the time zone if the CMOS clock keeps local time, as opposed to
# UTC time.  See adjkerntz(8) for details.
1,31    0-5     *       *       *       root    adjkerntz -a
*/5     *       *       *       *       cactiuser       /usr/local/bin/php /usr/local/share/cacti/poller.php > /usr/local/share/cacti/log/poller.log 2>&1
02      0       *       *       *       root    /usr/local/etc/awstats/cgi-bin/awstats.pl -update -config=my.intranet.com
*/10    *       *       *       *       root    /usr/local/bin/php /root/cronzweather /usr/local/www/html/joomla
*/5     *       *       *       *       root    /usr/local/libexec/nagios/nagios_stats.pl > /dev/null 2>&1
*/45    *       *       *       *       root    /usr/local/bin/php -f /usr/local/www/html/joomla/components/com_gallery2/cron/g2CronJob.php

Last edited by beandip; 4th August 2008 at 08:37 PM.
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Old 4th August 2008
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graudeejs graudeejs is offline
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Default

Is it what you have when you crontab -l ?
If so remove user (root etc.)
I had something similar

Code:
#minute hour    mday    month   wday    command
#
*/5     *       *       *       *       /usr/libexec/atrun
....
(Backup original fail, in case i'm wrong)
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Old 4th August 2008
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Quote:
Originally Posted by beandip View Post
I am running FreeBSD 6.3 STABLE.

Everything seems to running fine however a while back my cacti scripts stopped working. I just now have had time to look into it and it appears that nothing that I have in my /etc/crontab is executing.
I am not sure where to troubleshoot next. Any advice?
try
# tail /var/log/cron

what's the latest timestamp? any interesting errors in the file?
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Old 4th August 2008
beandip beandip is offline
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Code:
# crontab -l
crontab: no crontab for root


according to the tail command it looks like it is executing.

Code:
# tail /var/log/cron
Aug  4 15:05:00 team /usr/sbin/cron[16731]: (cactiuser) CMD (      /usr/local/bin/php /usr/local/share/cacti/poller.php > /usr/local/share/cacti/log/poller.log 2>&1)
Aug  4 15:05:00 team /usr/sbin/cron[16732]: (root) CMD (/usr/libexec/atrun)
Aug  4 15:10:00 team /usr/sbin/cron[16863]: (root) CMD (/usr/local/libexec/nagios/nagios_stats.pl > /dev/null 2>&1)
Aug  4 15:10:00 team /usr/sbin/cron[16864]: (root) CMD (/usr/local/bin/php /root/cronzweather /usr/local/www/html/joomla)
Aug  4 15:10:00 team /usr/sbin/cron[16865]: (cactiuser) CMD (      /usr/local/bin/php /usr/local/share/cacti/poller.php > /usr/local/share/cacti/log/poller.log 2>&1)
Aug  4 15:10:00 team /usr/sbin/cron[16866]: (root) CMD (/usr/libexec/atrun)
Aug  4 15:11:00 team /usr/sbin/cron[16996]: (operator) CMD (/usr/libexec/save-entropy)
Aug  4 15:15:00 team /usr/sbin/cron[17011]: (root) CMD (/usr/local/libexec/nagios/nagios_stats.pl > /dev/null 2>&1)
Aug  4 15:15:00 team /usr/sbin/cron[17012]: (cactiuser) CMD (      /usr/local/bin/php /usr/local/share/cacti/poller.php > /usr/local/share/cacti/log/poller.log 2>&1)
Aug  4 15:15:00 team /usr/sbin/cron[17013]: (root) CMD (/usr/libexec/atrun)
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Old 4th August 2008
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jbhappy jbhappy is offline
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Quote:
Originally Posted by beandip View Post
Code:
# crontab -l
crontab: no crontab for root
yeah, cron is just getting everything from /etc/crontab. that's a normal place for system jobs on systems that use /etc/crontab, so don't sweat it. your crontab file is in the right format.

Quote:
according to the tail command it looks like it is executing.
indeed. so your cacti log file appears to be /usr/local/share/cacti/log/poller.log, according to your cron entry. is anything new showing up in there?
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Old 5th August 2008
beandip beandip is offline
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Crontab is working. I had multiple problems that are tied to it that made it look like it was not working.

While troubleshooting I discovered a problem with one of Cacti's MySQL tables. I had to execute a truncate command to fix it and now cacti is working properly again.

Thanks for your help. I did not know about the tail command but I see how it can be useful in the future.
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Old 6th August 2008
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Quote:
Originally Posted by killasmurf View Post
Is it what you have when you crontab -l ?
If so remove user (root etc.)
I had something similar
/etc/crontab is very different from user crontabs.

crontab -l checks the user crontab, which doesn't need the user column.

/etc/crontab is the system crontab, and needs to know which user to run each command as.
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