/etc/crontab is not linked to particular user, so you have to specify
the user each job is run as. This requires an additional user field to
be entered right after the schedule. E.g. my system runs the cron.hourly
jobs at 17 after the hour as root... (from my /etc/crontab)
17 * * * * root cd / && run-parts --report /etc/cron.hourly
In general, running jobs a user or root is the norm, but you can change
this by either placing scripts (or links to scripts) in one of the cron
folders in /etc/ or by editing /etc/crontab...
Cheers,
Vern
Watson, Christer wrote:
Vern,
What do you mean the "system's crontab"? isn't every cron job executed by some
user, either root or another? What user executes the system's crontab?
--Christer
________________________________________
From: [EMAIL PROTECTED] [EMAIL PROTECTED] On Behalf Of Vern Ceder [EMAIL
PROTECTED]
Sent: Friday, October 24, 2008 2:03 PM
To: Fort Wayne Linux Users Group
Subject: Re: [fwlug] Geek troubles - BASH scripts and cron jobs
Simón Ruiz wrote:
Hello, all,
I know we discussed briefly that bash scripts and cron jobs interact
in less than intuitive ways.
The following cron command, for example, is in the system's cron (at
least that's what I *think* I'm editing when I do "crontab -e" as
root) of a Samba print server.
Actually, it's *root*'s crontab, the "system" crontab is /etc/crontab
0 0 * * * /root/synch_printers_from 10.0.0.7 &> /root/lastsynch.log
First of all, am I right in my guess that /root/lastsynch.log doesn't
show anything because there's a space betwen the ">" and the "/"?
Oops...
Nope, that shouldn't matter... see eg,
http://www.gnu.org/software/bash/manual/bashref.html#Redirections
More importantly, though, the "/root/synch_printers_from" script here
basically pulls down Samba and CUPS, copies over configuration files
from the target server (using scp) and then brings Samba and CUPS back
up.
However, while it seems to work perfectly every single time I run it
directly through bash it seems to fail to bring samba back up every
single time it runs as a cron job.
Does anyone have any suggestions as to where I might look for a culprit
You have full paths in the cron job, but what about within synch_printers?
Simón
Vern
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--
This time for sure!
-Bullwinkle J. Moose
-----------------------------
Vern Ceder, Director of Technology
Canterbury School, 3210 Smith Road, Ft Wayne, IN 46804
[EMAIL PROTECTED]; 260-436-0746; FAX: 260-436-5137
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_______________________________________________
Fwlug mailing list
[email protected]
http://fortwaynelug.org/mailman/listinfo/fwlug_fortwaynelug.org
--
This time for sure!
-Bullwinkle J. Moose
-----------------------------
Vern Ceder, Director of Technology
Canterbury School, 3210 Smith Road, Ft Wayne, IN 46804
[EMAIL PROTECTED]; 260-436-0746; FAX: 260-436-5137
_______________________________________________
Fwlug mailing list
[email protected]
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