[CentOS] cron job not running

Alexander Dalloz ad+lists at uni-x.org
Tue Mar 6 16:55:21 EST 2012


Am 06.03.2012 18:56, schrieb Bowie Bailey:
> On 3/4/2012 10:25 PM, Tim Dunphy wrote:
>> hello list,
>>
>>  I am attempting to backup a centos 5.4 (x86_64) server running mysql
>> with a cron job. Here's how the cron job looks:
>>
>>  [root at cloud:/home/bluethundr/backupdb] #crontab -l
>> * 3 * * * /usr/bin/mysqldump jfwiki >
>> /home/bluethundr/backupdb/wiki-$(date +%Y%m%d).sql
> 
> You do realize this is going to run 60 times per day, right?  (every
> minute from 3:00 - 3:59)
> 
> I think you wanted this:
> 
> 0 3 * * * /usr/bin/mysqldump jfwiki >
> /home/bluethundr/backupdb/wiki-$(date +%Y%m%d).sql

Just for the records: that still won't work.

man 5 crontab

"The  "sixth"  field  (the rest of the line) specifies the command to be
run.  The entire command portion of the line, up to a newline or %
character, will be executed by /bin/sh or by the shell specified in the
SHELL variable of the cronfile.  Percent-signs (%) in the command,
unless escaped with backslash (\), will be changed into newline
characters, and all data after the first % will be sent to the command as"

Alexander


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