Re: cron, won't change time !

[David selby <debian@pusspaws.net>]

Shawn Lamson wrote:

> On Thu, July 24 at  8:13 AM EDT
> David selby <debian@pusspaws.net> wrote:
>
>  
>
> > # /etc/crontab: system-wide crontab
> > # Unlike any other crontab you don't have to run the `crontab'
> > # command to install the new version when you edit this file.
> > # This file also has a username field, that none of the other crontabs
> > do.
> >
> > SHELL=/bin/sh
> > PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
> > MAILTO=web
> >
> > # m h dom mon dow user  command
> > 25 1    * * *   root    test -e /usr/sbin/anacron || run-parts --report
> >
> > /etc/cron.daily
> > 47 6    * * 7   root    test -e /usr/sbin/anacron || run-parts --report
> >
> > /etc/cron.weekly
> > 52 6    1 * *   root    test -e /usr/sbin/anacron || run-parts --report
> >
> > /etc/cron.monthl
> > y
> > #
> >
> > & changed cron.daily to 1:25 ... guess what 7:35 it executed ! I did a 
> > /etc/init.d/cron restart, 7:35, I did a system re-boot, 7:35 !
> >
> > I checked out anacron, I don't see how this can have an effect
> >
> > Any Ideas what I am doing wrong ?
> >    
>
> I think if you man 5 crontab it says in a comment in the ample file that
> the directory /etc/cron.d is now used for anachron.  Edit the file
> /etc/cron.d/anachron... to me this system is doubled up and I would
> comment out the lines in the system wide crontab - maybe this is wrong
> and someone can point out why?
>
> Shawn Lamson
> shawn.lamson@verizon.net
>
>
>  
Thanks for the heads up ... So /etc/crontab has ...

25 6 * * * root test -e /usr/sbin/anacron || run-parts --report 
/etc/cron.daily

ie if anacron don't exist, execute cron.daily as a backup system ...

/etc/cron.d/anacron ...

30 7 * * * root test -x /etc/init.d/anacron && /etc/init.d/anacron start 
>/dev/n
ull

mmm ... and man 5 anacron has

EXAMPLE SYSTEM CRON FILE
This has the username field, as used by /etc/crontab.
# /etc/crontab: system-wide crontab
# Unlike any other crontab you don't have to run the `crontab'
# command to install the new version when you edit this file.
# This file also has a username field, that none of the other crontabs do.

SHELL=/bin/sh
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin

# m h dom mon dow usercommand
42 6 * * *rootrun-parts --report /etc/cron.daily
47 6 * * 7rootrun-parts --report /etc/cron.weekly
52 6 1 * *rootrun-parts --report /etc/cron.monthly
#
# Removed invocation of anacron, as this is now handled by a
# /etc/cron.d file

Kind of makes sense ...

Dave