/etc/crontab won't run my script

Jerry McAllister jerrymc at msu.edu
Fri Apr 24 15:39:35 UTC 2009


On Fri, Apr 24, 2009 at 06:14:26PM +0300, Ghirai wrote:

> On Fri, 24 Apr 2009 18:08:13 +0300
> Ghirai <ghirai at ghirai.com> wrote:
> 
> > Hi,
> > 
> > I'm trying to get a python script to run from /etc/crontab, but it
> > won't work.
> > 
> > I've read about the most common issues being related to paths, but my
> > script uses no paths at all.
> > 
> > This is my /etc/crontab line:
> > 
> > */5     *       *       *       *
> > munin   /usr/local/bin/python /root/myscript.py
> > >> /var/log/myscript.log
> > 
> > I used munin user because i already have it (can i run it under
> > 'nobody'?).
> > 
> > This is what /var/log/cron says:
> > 
> > Apr 24 18:00:01 triton /usr/sbin/cron[4361]: (munin) CMD
> > (/usr/local/bin/python /root/myscript.py
> > >> /var/log/myscript.log)
> > 
> > 
> > However the script doesn't seem to run at all.
> > 
> > Obviously it works if i run it stand-alone, as any user.
> > I'm running 7.1-RELEASE-p4, i386.
> > 
> > What am i doing wrong?
> > 
> > Thanks.
> > 
> 
> Ok i just changed 'who' column to root and it works.
> Why won't it work as any other user?
> Permissions for myscript.py are 555.

Isn't /etc/crontab the root cron and should not be used by users?

To set up a crontab for a user, do:     crontab -e
while logged in as that user.   You can also do it from root
by using the   -u user_name   option in the command, eg.  if
the user is joe     crontab -u joe -e    

You should never edit the tab files directly.

You may also have to set up  /var/cron/allow  and  /var/cron/deny  files.

In addition, the ownership and permissions on the files/scripts
you are trying to run from cron must be correct.

////jerry


////jerry    
    
> 
> -- 
> Regards,
> Ghirai.
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