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Old 12-18-2003, 03:14 AM   #1
Registered: May 2002
Posts: 401

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How can I tell if crontab jobs are axecuting ?

Hi !!

I edited /etc/crontab and than

did :

/etc/init.d/crond restart

I schadule a job to execute 20 minutes can I check if the system tried to execute?

whan the job starts from the command line (without crontab) another terminal window is open and than the program starts , after I edited crontab I waited and nothing happend.

Old 12-18-2003, 09:39 AM   #2
Registered: Jul 2003
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Cron will never put anything on the display unless you use something like 'wall' in your cron script.
Are you redirecting output to a log file or anything? it wouldn't be hard to add a line at the bottom of your script that does something like:
date +"%D %r `echo Cron completed`" >> /tmp/cron_job.log
Then you could check /tmp/cron_job.log and it would tell you when it finished.
Old 12-22-2003, 04:10 AM   #3
Registered: May 2002
Posts: 401

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ok ! I did what u told me:
here is my contab flle: ( I added /etc/panda/run):

# run-parts
01 * * * * root run-parts /etc/cron.hourly
02 4 * * * root run-parts /etc/cron.daily
22 4 * * 0 root run-parts /etc/cron.weekly
42 4 1 * * root run-parts /etc/cron.monthly
00 22 * * * /usr/lib/panda/ftp
30 11 * * * /etc/panda/run
0-59/5 * * * * root /usr/bin/mrtg /etc/mrtg/mrtg.cfg
date +"%D %r 'echo Cron completed'" >> /tmp/cron_job.log

this is the content of /etc/panda/run:

#script to run antivirus
cd /etc/panda/pavcl
pavcl / -AUT

[root@mr incoming]# ls -la /etc/panda/run
-rwxr-xr-x 1 root root 59 Dec 18 10:16 /etc/panda/run

I also restartes crond after the changes but he doesnt creats any file in /tmp so I dont know if /etc/panda/run executed/

Old 12-22-2003, 05:57 AM   #4
Registered: Oct 2003
Distribution: Debian GNU/Linux 9.0 (amd64) w/kernel 4.11.4
Posts: 287

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Usually you can tell when a cron job is active, during periods of inactivity - any performance meters that are running will show the spike in %CPU, HD and general process activity. I think you can configured anacron or vixie-cron to send root an intra-system message when a job completes.
Old 01-27-2011, 09:08 AM   #5
LQ Newbie
Registered: Jan 2011
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file /var/log/cron

This is a file where the cron job execution gets reported. I looked there and found that my job is executed.


file, future, how, output, redirect, references, virus

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