[colug-432] Where do cron jobs store their generated stdout while running?

Angelo McComis angelo at mccomis.com
Tue Feb 9 22:57:08 EST 2010

In addition to what Travis said, you can also try this:

strace -ewrite

As long as the job is dumping to stdout, you can see what's going
on... similar to attaching to a screen session. Just supply the pid.

strace -ewrite -p 25365

On Tue, Feb 9, 2010 at 10:19 PM, Rob Stampfli <res at colnet.cmhnet.org> wrote:
> A stupid question, the answer of which has proved to be more elusive
> than I would have first thought:  When a cron job completes, its stdout
> and stderr are emailed to the user running the job.  I have a job
> that runs for a prolonged period of time and for which I'd occasionally
> like to review its output while it is in progress, but I can't figure
> out where to look for it.  The executable itself is sending its output
> to a pipe.  There appears to be no file in /tmp or /var/tmp that is
> accumulating this data, but it must be stored somewhere until the job
> completes.  Anyone know where?
> FWIW, I'm running Ubuntu 9.04 (on an ARM processor, not that I believe
> that the hardware is germane to this query).
> Thanks in advance,
> Rob
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