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How can I copy a cron file from one machine to another machine?

Posted on 2011-09-28
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Last Modified: 2012-05-12
Hi,
I have two Unix machine. I want to copy (rsync) the cron file from one machine to another.  

How can I do that?

and

Is it secure to do it?

Thanks,
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Question by:Tolgar
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7 Comments
 
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Accepted Solution

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woolmilkporc earned 500 total points
ID: 36718513
crontab -l > tempfile

(rsync tempfile to other system)

On other system:

crontab tempfile

Take care to log in as the crontab owner on both systems!

wmp

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Expert Comment

by:mcsween
ID: 36718535
Just copy the contents of the crontab file from one server to another.  It is usually located under /var/spool/crontabs.
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Expert Comment

by:mcsween
ID: 36718546
sorry I misread the question; listen to wool
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LVL 68

Expert Comment

by:woolmilkporc
ID: 36718550
And how should cron recognize that there's a new crontab now?
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Expert Comment

by:mcsween
ID: 36718582
Depending on your flavor of Linux/Unix it should check in every so often but you could use

crontab -e

or

/etc/init.d/crontab stop && /etc/init.d/crontab start
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LVL 68

Expert Comment

by:woolmilkporc
ID: 36718611
So if you must issue a command like crontab on the target system anyway - why not use it on both ends?

It's consistent and compatible with almost all Unix flavors (well not with ESX(i) but that's another question).

wmp
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Expert Comment

by:mcsween
ID: 36718679
I'm not sure why you are trying to argue with me but if you read above I said I misread the question and to ignore my response.  Please help the person asking the question instead.
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