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Re: Help : can not get cron work

From: Brian Dessent <>
Subject: Re: Help : can not get cron work
Date: Wed, 04 Jan 2006 18:00:46 -0800

lin q wrote:

> 1) "cygrunsrv -I cron -p /usr/sbin/cron -a ?D"

You should run /usr/bin/cron-config, and not try to do this by hand
because there is much more to do than just installing the service.

>             16 10 * * * linq  rsync -azv emperor:/dev/tools/*
> /cygdrive/c/bin/tools

That is not the proper format of a user's crontab line.  There is no
such "username" field as the fifth field in a user's crontab, it should
just be "16 10 * * * rsync ...".  It was trying to execute a command
named "linq" that does not exist, and there should be errors to this
effect in the Windows Event Log.  See "man 5 crontab".

Also realize that if you do not have system-wise mounts and Cygwin in
the PATH the above will not work.  This would have been evident if you
attached the cygcheck output as requested in


OK, I re-installed cron using /usr/bin/cron-config and I corrected crontab by removing that "linq".

It still does not work.

I tried a Hello Wold test with the following crontab line,

* * * * * /bin/date > /tmp/date.out 2>&1

It works fine.

Now I come to suspect something of Cygwin setup. But I can not see anything wrong in log file of cygcheck. I attach the file.

One thing to note, when I run cygcheck, it exits with an error,
cygcheck -svr > /tmp/cygcheck.log
cygcheck: dump_sysinfo: GetVolumeInformation() failed: 1231

Is this a problem?

Another thing, I checked the Windows event loger and I see some "Information" on crontab, here is the dump out:

The description for Event ID ( 0 ) in Source ( /usr/sbin/cron ) cannot be found. The local computer may not have the necessary registry information or message DLL files to display messages from a remote computer. You may be able to use the /AUXSOURCE= flag to retrieve this description; see Help and Support for details. The following information is part of the event: /usr/sbin/cron : PID 6064 : (linq) CMD (rsync -azv emperor:/dev/swtools/* /cygdrive/c/bin/swtools).

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Attachment: cygcheck.log
Description: Binary data

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