Re: Path And 'cron'
- From: Randy Pratt <bsd-unix@xxxxxxxxxxx>
- Date: Mon, 20 Feb 2006 19:42:18 -0500
On Mon, 20 Feb 2006 10:21:22 -0600
Tim Daneliuk <tundra@xxxxxxxxxxxxxx> wrote:
Randy Pratt wrote:
On Sun, 19 Feb 2006 15:25:49 -0600
Tim Daneliuk <tundra@xxxxxxxxxxxxxx> wrote:
Where is the default path for cron jobs established? (And can it
be changed...)
Take a look at:
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/configtuning-cron.html
and see if that answers your question.
Best regards,
Randy
--
Well ... it answered my question partially. But as I looked back over
it, I realized my central questions are still unanswered:
If I do not have a PATH= statement in a particular user's crontab,
what is used for a default PATH?
From "man 5 crontab" :
Several environment variables are set up automatically by the cron
(8) daemon. SHELL is set to /bin/sh, PATH is set to /usr/bin:/bin,
and LOGNAME and HOME are set from the /etc/passwd line of the
crontab's owner. HOME, PATH and SHELL may be overridden by
settings in the crontab; LOGNAME may not.
Is the path in /etc/crontab inherited somehow?
Given that the default shell is /bin/sh, are the settings
in /etc/profile observed? If no PATH is established there either,
what will cron use?
I am trying to determine the best place to establish correct global
PATH settings for all cron users so I don't have to edit each users'
crontab file when file locations are updated or changed.
It seems that the PATH is being set in the source code, in particular
/usr/src/usr.sbin/cron/cron/pathnames.h :
#ifndef _PATH_DEFPATH
# define _PATH_DEFPATH "/usr/bin:/bin"
#endif
I suppose its possible to change the source and rebuild but there may
be subtle interactions that aren't readily apparent that would need to
be considered. There may even be a knob to tweak somewhere for this.
Sorry I can't give you a definitive answer on this. Perhaps someone
with more direct experience can give you proper guidance here.
Best regards,
Randy
--
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