Well you are not capturing stderr in your file.  You won't see any errors as a 
result.  Try running it to capture stdout and stderr.  Also I recommend using 
full paths to commands in a cron run script since the environment is not the 
same as when you run it from the command line.

--Larry


On Feb 27, 2012, at 10:56 AM, János Löbb <[email protected]> wrote:

> Hi Jerry,
> 
> When I execute the script on the command prompt, it works like charm:
> 
> <nyissz>
> bml0041:shell_script janos$ ./del_from_sequoia.ksh 
> 2012_02_23_15.log                                                             
>                                             100%   75KB  74.9KB/s   00:00    
> 2012_02_23_16.log                                                             
>                                             100%   75KB  75.5KB/s   00:00    
> 2012_02_23_17.log                                                             
>                                             100%   76KB  75.7KB/s   00:00    
> 2012_02_23_18.log                                                             
>                                             100%   74KB  74.5KB/s   00:00    
> 2012_02_23_19.log                                                             
>                                             100%   75KB  74.7KB/s   00:00    
> 2012_02_23_20.log                                                             
>                                             100%   75KB  74.7KB/s   00:00    
> 2012_02_23_21.log                                                             
>                                             100%   73KB  73.2KB/s   00:00    
> 2012_02_23_22.log                                                             
>                                             100%   74KB  73.8KB/s   00:00    
> 2012_02_23_23.log                                                             
>                                             100%   73KB  73.2KB/s   00:00    
> 2012_02_24_00.log                                                             
>                                             100%   77KB  77.1KB/s   00:00    
> 2012_02_24_01.log                                                             
>                                             100%   76KB  75.6KB/s   00:00    
> 2012_02_24_02.log                                                             
>                                             100%   75KB  74.6KB/s   00:00    
> 2012_02_24_03.log                                                             
>                                             100%   75KB  74.6KB/s   00:00    
> 2012_02_24_04.log                                                             
>                                             100%   76KB  75.9KB/s   00:00    
> 2012_02_24_05.log                                                             
>                                             100%   75KB  75.0KB/s   00:00    
> 2012_02_24_06.log                                                             
>                                             100%   75KB  75.1KB/s   00:00    
> 2012_02_24_07.log                                                             
>                                             100%   76KB  75.6KB/s   00:00    
> 2012_02_24_08.log                                                             
>                                             100%   75KB  75.5KB/s   00:00    
> 2012_02_24_09.log                                                             
>                                             100%   75KB  75.4KB/s   00:00    
> 2012_02_24_10.log                                                             
>                                             100%   75KB  74.9KB/s   00:00    
> 2012_02_24_11.log                                                             
>                                             100%   75KB  75.3KB/s   00:00    
> 2012_02_24_12.log                                                             
>                                             100%   75KB  75.1KB/s   00:00    
> 2012_02_24_13.log                                                             
>                                             100%   75KB  75.0KB/s   00:00    
> 2012_02_24_14.log                                                             
>                                             100%   75KB  75.3KB/s   00:00    
> 2012_02_24_15.log                                                             
>                                             100%   75KB  75.5KB/s   00:00    
> 2012_02_24_16.log                                                             
>                                             100%   76KB  75.9KB/s   00:00    
> 2012_02_24_17.log                                                             
>                                             100%   75KB  74.9KB/s   00:00    
> 2012_02_24_18.log                                                             
>                                             100%   75KB  75.2KB/s   00:00    
> 2012_02_24_19.log                                                             
>                                             100%   74KB  74.2KB/s   00:00    
> 2012_02_24_20.log                                                             
>                                             100%   75KB  74.6KB/s   00:00    
> 2012_02_24_21.log                                                             
>                                             100%   74KB  74.5KB/s   00:00    
> 2012_02_24_22.log                                                             
>                                             100%   74KB  74.3KB/s   00:00    
> 2012_02_24_23.log                                                             
>                                             100%   73KB  73.2KB/s   00:00    
> 2012_02_25_00.log                                                             
>                                             100%   77KB  77.2KB/s   00:00    
> 2012_02_25_01.log                                                             
>                                             100%   75KB  75.0KB/s   00:00    
> 2012_02_25_02.log                                                             
>                                             100%   75KB  75.5KB/s   00:00    
> 2012_02_25_03.log                                                             
>                                             100%   75KB  74.9KB/s   00:00    
> 2012_02_25_04.log                                                             
>                                             100%   76KB  75.6KB/s   00:00    
> 2012_02_25_05.log                                                             
>                                             100%   75KB  75.5KB/s   00:01    
> 2012_02_25_06.log                                                             
>                                             100%   75KB  75.3KB/s   00:00    
> 2012_02_25_07.log                                                             
>                                             100%   74KB  74.2KB/s   00:00    
> 2012_02_25_08.log                                                             
>                                             100%   75KB  74.9KB/s   00:00    
> 2012_02_25_09.log                                                             
>                                             100%   74KB  74.5KB/s   00:00    
> 2012_02_25_10.log                                                             
>                                             100%   74KB  74.5KB/s   00:00    
> 2012_02_25_11.log                                                             
>                                             100%   74KB  74.5KB/s   00:00    
> 2012_02_25_12.log                                                             
>                                             100%   75KB  74.6KB/s   00:00    
> 2012_02_25_13.log                                                             
>                                             100%   75KB  74.8KB/s   00:00    
> 2012_02_25_14.log                                                             
>                                             100%   75KB  74.9KB/s   00:00    
> 2012_02_25_15.log                                                             
>                                             100%   74KB  74.3KB/s   00:00    
> 2012_02_25_16.log                                                             
>                                             100%   74KB  74.5KB/s   00:00    
> 2012_02_25_17.log                                                             
>                                             100%   74KB  73.7KB/s   00:00    
> 2012_02_25_18.log                                                             
>                                             100%   74KB  74.1KB/s   00:00    
> 2012_02_25_19.log                                                             
>                                             100%   74KB  73.5KB/s   00:00    
> 2012_02_25_20.log                                                             
>                                             100%   75KB  75.2KB/s   00:00    
> 2012_02_25_21.log                                                             
>                                             100%   73KB  72.9KB/s   00:00    
> 2012_02_25_22.log                                                             
>                                             100%   74KB  74.1KB/s   00:00    
> 2012_02_25_23.log                                                             
>                                             100%   73KB  73.2KB/s   00:00    
> 2012_02_26_00.log                                                             
>                                             100%   77KB  76.9KB/s   00:00    
> 2012_02_26_01.log                                                             
>                                             100%   75KB  75.0KB/s   00:00    
> 2012_02_26_02.log                                                             
>                                             100%   76KB  76.0KB/s   00:00    
> 2012_02_26_03.log                                                             
>                                             100%   76KB  75.6KB/s   00:00    
> 2012_02_26_04.log                                                             
>                                             100%   76KB  76.3KB/s   00:00    
> 2012_02_26_05.log                                                             
>                                             100%   75KB  75.0KB/s   00:00    
> 2012_02_26_06.log                                                             
>                                             100%   75KB  75.5KB/s   00:00    
> 2012_02_26_07.log                                                             
>                                             100%   74KB  74.1KB/s   00:00    
> 2012_02_26_08.log                                                             
>                                             100%   74KB  74.4KB/s   00:00    
> 2012_02_26_09.log                                                             
>                                             100%   74KB  74.4KB/s   00:00    
> 2012_02_26_10.log                                                             
>                                             100%   75KB  74.9KB/s   00:00    
> 2012_02_26_11.log                                                             
>                                             100%   75KB  75.3KB/s   00:00    
> 2012_02_26_12.log                                                             
>                                             100%   75KB  74.9KB/s   00:00    
> 2012_02_26_13.log                                                             
>                                             100%   74KB  74.1KB/s   00:00    
> 2012_02_26_14.log                                                             
>                                             100%   74KB  74.1KB/s   00:00    
> 2012_02_26_15.log                                                             
>                                             100%   75KB  74.8KB/s   00:00    
> 2012_02_26_16.log                                                             
>                                             100%   74KB  73.5KB/s   00:00    
> 2012_02_26_17.log                                                             
>                                             100%   74KB  74.5KB/s   00:00    
> 2012_02_26_18.log                                                             
>                                             100%   74KB  74.1KB/s   00:00    
> 2012_02_26_19.log                                                             
>                                             100%   74KB  73.5KB/s   00:00    
> 2012_02_26_20.log                                                             
>                                             100%   74KB  74.5KB/s   00:00    
> 2012_02_26_21.log                                                             
>                                             100%   73KB  73.1KB/s   00:00    
> 2012_02_26_22.log                                                             
>                                             100%   74KB  74.1KB/s   00:00    
> 2012_02_26_23.log                                                             
>                                             100%   74KB  73.8KB/s   00:00    
> 2012_02_27_00.log                                                             
>                                             100%   77KB  76.6KB/s   00:00    
> 2012_02_27_01.log                                                             
>                                             100%   75KB  74.8KB/s   00:00    
> 2012_02_27_02.log                                                             
>                                             100%   74KB  74.4KB/s   00:00    
> 2012_02_27_03.log                                                             
>                                             100%   75KB  75.0KB/s   00:00    
> 2012_02_27_04.log                                                             
>                                             100%   76KB  76.1KB/s   00:00    
> 2012_02_27_05.log                                                             
>                                             100%   75KB  74.7KB/s   00:00    
> 2012_02_27_06.log                                                             
>                                             100%   75KB  75.1KB/s   00:00    
> 2012_02_27_07.log                                                             
>                                             100%   75KB  75.3KB/s   00:00    
> 2012_02_27_08.log                                                             
>                                             100%   76KB  75.8KB/s   00:00    
> 2012_02_27_09.log                                                             
>                                             100%   76KB  75.8KB/s   00:00    
> Warning: untrusted X11 forwarding setup failed: xauth key data not generated
> Warning: No xauth data; using fake authentication data for X11 forwarding.
> bml0041:shell_script janos$ 
> <nyassz>
> 
> The delete also worked despite the warnings above.
> 
> The reference to the files are absolute, so cron should find them.  It looks 
> to me that cron is not lunched at all by the crontab entry:
> bml0041:shell_script janos$ crontab -l
> 10    *       *       *       *       
> /Volumes/Data/PROJECTS/Sysmon/shell_script/del_from_sequoia.ksh > 
> /Volumes/Data/PROJECTS/Sysmon/shell_script/del.txt
> 
> bml0041:shell_script janos$ ls -l
> total 32
> -rw-------@ 1 janos  admin  1799 Feb 10  2010 awk_commands (Autosaved)
> -rwxr-xr-x@ 1 janos  admin  2647 Jul  8  2010 awk_commands.sh
> -rw-r--r--  1 janos  admin     0 Feb 27 10:10 del.txt
> -rwxr-xr-x  1 janos  admin   128 Feb 23 16:48 del_from_sequoia.crontab
> -rwxr-xr-x@ 1 janos  admin   214 Feb 23 12:35 del_from_sequoia.ksh
> 
> The del.txt file is empty, although it should have hourly outputs from last 
> Thursday late afternoon.
> 
> Thanks ahead,
> 
> János
> 
> 
> 
> On Feb 23, 2012, at 9:54 PM, Jerry wrote:
> 
>> Hello János,
>> 
>> I see that you state your scp and ssh command line(s) run fine manually.
>> 
>> What happens when you run the whole shell script manually?  Does it (the
>> shell script) run?  If not, does it have execute permissions set?
>> 
>> Are you running your script as your UID?  Or as root?
>> 
>> Does your shell script need $PATH set from with in?
>> 
>> and finally, at the end of your cron line, you have this
>> 
>>> /dev/null 2>&1
>> 
>> which is great once you have all the bugs worked out.  I am sure you
>> knew that.  Have you tried sending STDOUT and STDERR to a file, vs. the
>> bit bucket to trouble shoot your script.
>> 
>> as far as the launchctl thing, I typically only use that for start up
>> items when the system is booting, or I am logging in as a user.  AFAIAK,
>> cron is where you need to be for repetitive system jobs.
>> 
>> Jerry
>> 
>> 
>> On 02/23/12 03:06 PM, János Löbb wrote:
>>> Folks,
>>> 
>>> I am sure I was sleeping at the wheel regarding this issue, so I need a hit 
>>> on my neck to the right direction.
>>> 
>>> I have this little crontab entry:
>>> bml0041:shell_script janos$ cat del_from_sequoia.crontab 
>>> 10 * * * * /Volumes/Data/PROJECTS/Sysmon/shell_script/del_from_sequoia.ksh 
>>> > /dev/null 2>&1
>>> 
>>> That is I want at 10 minutes after the hour to execute a shell script.
>>> 
>>> The script is this:
>>> 
>>> bml0041:shell_script janos$ cat del_from_sequoia.ksh
>>> #!/bin/bash
>>> #
>>> scp [email protected]:/prod2/ase15/sysmon/sysmonlogs/*.log 
>>> /Volumes/Data/PROJECTS/Sysmon/sysmsa/
>>> 
>>> ssh [email protected] "find /prod2/ase15/sysmon/sysmonlogs -name '*.log' | 
>>> xargs rm "
>>> 
>>> That is first I copy over some files from a remote server to my local 
>>> machine followed by deleting the files on the remote server.
>>> 
>>> If I do these two commends on the local machine at the CLI, both works 
>>> fine.  However executing them via cron is a no go, that is nothing happens.
>>> 
>>> Now, I see in man crontab, that it wants me to use launchctl and I looked 
>>> its man page too, but I am not seeing how could I schedule the execution of 
>>> this script with launchd.
>>> 
>>> Thanks ahead,
>>> 
>>> János
>>> 
>> 
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> 
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