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RE: Crontab issue

At 02:21 PM 9/9/2004, you wrote:
>> -----Original Message-----
>> From: cygwin-owner On Behalf Of Simon.Basyuk
>> Sent: 09 September 2004 19:07
>> 1. I have no problem with Crontab running cp from local to local;
>> 2. I have no problem with running cp from other server to local, from
>> command line:
>> $ cp -p "/cygdrive/j/Move To Fileshare/bmf70.mdb" "/cygdrive/c"
>> 3. the same command DOES NOT work on my local Crontab:
>> 59 * * * *  cp -p "/cygdrive/j/Move To Fileshare/bmf70.mdb" 
>> "/cygdrive/c"
>  So presumably cron is not running under the same user id as you are, and
>your username has access perms to the network drive in question, but the
>username which cron is running under (probably LocalSystem) doesn't.  In
>fact, the very first lines of /usr/share/doc/Cygwin/cron.README say....
>This is the Cygwin port of Paul Vixie's cron-3.01. Note that on NT/W2K
>it relies on the Cygwin-1.3.2 feature to be able to switch the user
>context without password. On NT/W2K run cron under SYSTEM account
>as service to use that feature. Note that you don't have access to
>net shares in the child processes then.
>  Yep, that's it.  Cron is running under the SYSTEM a/c; when it switches to
>your identity to run a cron job, it is only impersonating your username
>rather than fully logging on as that user ('impersonating' is a technical
>term here for when one process assumes the access rights of a second
>less-privileged process), and it's just the way windows works that
>impersonated user rights are only valid on the local system and not for
>logging on to network resources.
>  You probably need to run crond under your own identity by installing it
>with cygrunsrv and using the -u and -w options.

One can alternatively open up the access of the share to "Everyone".  This
may be preferable if cron is being run for more than one user.

Access to network shares seems to come up allot in the context of Cygwin
services.  Maybe it would be good to add something to the FAQ on this.
What do you think Joshua?

Larry Hall                    
RFK Partners, Inc.                      (508) 893-9779 - RFK Office
838 Washington Street                   (508) 893-9889 - FAX
Holliston, MA 01746                     

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