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Bug 4606

Summary: crontab updating erratically
Product: [Retired] Red Hat Linux Reporter: pcwizard
Component: crontabsAssignee: Crutcher Dunnavant <crutcher>
Severity: medium Docs Contact:
Priority: medium    
Version: 6.0   
Target Milestone: ---   
Target Release: ---   
Hardware: i386   
OS: Linux   
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2001-04-10 22:03:08 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:

Description pcwizard 1999-08-19 03:52:07 UTC
I have been having a pig of a problem with crontab updating
on a regular basis.  I use a perl script to update my
dynamic IP to a DNS service and it has been setup to update
hourly.  Only problem is that more often than not it does
not update... around 3 out of four times it doesn't, but
that 1 time in four it does... drives me crazy.
Here is the entry I am using in my crontab.
* 0-23 * * * (cd /usr/bin ; ./ )
here is the complete crontab listing:

# 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
* * * root
* 0-23 * * * (cd /usr/bin ; ./ )
The commented out line was an earlier attempt that refused
to work at all... the perl script kept reporting an error
indicating the loss of a configuration file.  The line at
the bottom is the one that replaced it, the error went away,
but updates don't occur on a regular basis.

Comment 1 Bill Nottingham 1999-08-21 20:19:59 UTC
Um, are you sure you want that to run once a *minute*?

Comment 2 Jeff Johnson 1999-08-27 17:51:59 UTC
Perhaps you have apmd running and active. Powering down would
stop the updates. Otherwise, I know of no problems in using cron.