[CentOS] crontab problem

[Susan Day]

Hi;
I have the following in crontab -eu root:
@daily /usr/local/bin/mysql-backup-
daily.sh
@weekly /usr/local/bin/mysql-backup-weekly.sh
@monthly /usr/local/bin/mysql-backup-monthly.sh

[r...@13gems globalsolutionsgroup.vi]# ls /usr/local/bin/mysql-*
/usr/local/bin/mysql-daily.sh  /usr/local/bin/mysql-monthly.sh
/usr/local/bin/mysql-weekly.sh

These scripts worked on another server. The daily writes to:
/usr/backup/database/mysql-backups/mysql-backup-dailys/
However, a day later, nothing is there. Please advise.
TIA,
Suzie
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[CentOS] Crontab problem

[Jennifer Botten]

Hi,

 

I seem to have a problem with crontab. I am running CentOS 5.5. If I add my
bakup scripts into crontab they take very long to run. If I run my scripts
manually they run 100%. I have also tried vixiecron, same issue. Any ideas?

 

Thanks

Jenny

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Re: [CentOS] crontab problem

[Eero Volotinen]

Susan Day wrote:
> Hi;
> I have the following in crontab -eu root:
> @daily /usr/local/bin/mysql-backup-
> daily.sh
> @weekly /usr/local/bin/mysql-backup-weekly.sh
> @monthly /usr/local/bin/mysql-backup-monthly.sh
> 
> [r...@13gems globalsolutionsgroup.vi ]# 
> ls /usr/local/bin/mysql-*
> /usr/local/bin/mysql-daily.sh  /usr/local/bin/mysql-monthly.sh  
> /usr/local/bin/mysql-weekly.sh
> 
> These scripts worked on another server. The daily writes to:
> /usr/backup/database/mysql-backups/mysql-backup-dailys/
> However, a day later, nothing is there. Please advise.

Check that scripts are marked as executable (rx set).

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Re: [CentOS] crontab problem

[Jeff]

On Sat, Nov 21, 2009 at 8:10 AM, Susan Day  wrote:
> Hi;
> I have the following in crontab -eu root:
> @daily /usr/local/bin/mysql-backup-
> daily.sh
> @weekly /usr/local/bin/mysql-backup-weekly.sh
> @monthly /usr/local/bin/mysql-backup-monthly.sh
>
> [r...@13gems globalsolutionsgroup.vi]# ls /usr/local/bin/mysql-*
> /usr/local/bin/mysql-daily.sh  /usr/local/bin/mysql-monthly.sh
> /usr/local/bin/mysql-weekly.sh
>
> These scripts worked on another server. The daily writes to:
> /usr/backup/database/mysql-backups/mysql-backup-dailys/
> However, a day later, nothing is there. Please advise.
> TIA,
> Suzie

What do you see in /var/log/cron? Is the cron daemon running? Is it
attempting to run the scripts?

Beyond that, it all depends on what tools are called from your backup
scripts. Are all the tools even installed on the new server? Are all
executable pathnames explicitly defined in the script? If not, then
maybe the cron environment is lacking some things in the PATH. You
also don't even say if the scripts work when run manually.

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Re: [CentOS] crontab problem

[Jim Perrin]

On Sat, Nov 21, 2009 at 9:10 AM, Susan Day  wrote:
> Hi;
> I have the following in crontab -eu root:
> @daily /usr/local/bin/mysql-backup-
> daily.sh
> @weekly /usr/local/bin/mysql-backup-weekly.sh
> @monthly /usr/local/bin/mysql-backup-monthly.sh
>
> [r...@13gems globalsolutionsgroup.vi]# ls /usr/local/bin/mysql-*
> /usr/local/bin/mysql-daily.sh  /usr/local/bin/mysql-monthly.sh
> /usr/local/bin/mysql-weekly.sh
>
> These scripts worked on another server. The daily writes to:
> /usr/backup/database/mysql-backups/mysql-backup-dailys/
> However, a day later, nothing is there. Please advise.
> TIA,
> Suzie

There are a couple things to check in no particular order for why this
may not be working.


1. make sure that vixie-cron is installed. For minimal installation
systems, it is not installed and must be added. Files in /etc/cron.*
are not a sign that it's installed, as they are owned by another
package. rpm -q vixie-cron to be sure.

2. Check for /etc/cron.allow  or /etc/cron.deny interference. By
default there won't be any, but if someone has hardened the system
it's possible they've restricted things.

3. Cron doesn't use a full user PATH environment, so everything must
be spelled out. Check the logs to see if cron is actually running the
job and failing,  Make sure that you either define your path or that
the shell script explicitly calls everything it needs.



-- 
During times of universal deceit, telling the truth becomes a revolutionary act.
George Orwell
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Re: [CentOS] crontab problem

[Susan Day]

On Sat, Nov 21, 2009 at 9:26 AM, Eero Volotinen wrote:

> Check that scripts are marked as executable (rx set).
>

Thought I'd done that, but no...
Thanks,
Suzie
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Re: [CentOS] crontab problem

[Eero Volotinen]

Susan Day wrote:
> On Sat, Nov 21, 2009 at 9:26 AM, Eero Volotinen  > wrote:
> 
> Check that scripts are marked as executable (rx set).
> 
> 
> Thought I'd done that, but no...
>

Well, what happends if you run /usr/local/bin/mysql-daily.sh from 
commandline

You can also use strace or similar tools to debug scripts ..

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Re: [CentOS] crontab problem

[Spiro Harvey]

Susan Day  wrote:

> Hi;
> I have the following in crontab -eu root:
> @daily /usr/local/bin/mysql-backup-
> daily.sh
> @weekly /usr/local/bin/mysql-backup-weekly.sh
> @monthly /usr/local/bin/mysql-backup-monthly.sh

the above is looking for mysql-backup-[day|week|month]ly.sh

but the filenames below don't have "-backup" in their names.

> [r...@13gems globalsolutionsgroup.vi]# ls /usr/local/bin/mysql-*
> /usr/local/bin/mysql-daily.sh  /usr/local/bin/mysql-monthly.sh
> /usr/local/bin/mysql-weekly.sh




-- 
Spiro Harvey  Knossos Networks Ltd
021-295-1923  www.knossos.net.nz


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Re: [CentOS] Crontab problem

[Joost Waversveld]

Hi,

Did you use full paths to your executables in your script? 

If you run an script from crontab, you could have other/missing
enviroment variables.


Best regards,

Joost

On Tue, 5 Oct 2010 10:04:18 +0200, "Jennifer Botten"
 wrote:
> Hi, 
> 
> I seem to have a problem with crontab. I am running CentOS 5.5. If I
> add my bakup scripts into crontab they take very long to run. If I run
> my scripts manually they run 100%. I have also tried vixiecron, same
> issue. Any ideas? 
> 
> Thanks 
> 
> Jenny

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Re: [CentOS] Crontab problem

[John Doe]

From: Jennifer Botten 
>I seem to have a problem with crontab. I am running CentOS 5.5. If I add my 
>bakup scripts into crontab they take very long to run. If I run my scripts 
>manually they run 100%. I have also tried vixiecron, same issue. Any ideas?

Did you check if they both have the same nice level when they run?
is anything else running at the time of the cron?

JD


  
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