Re: [SAGE] crontabs vs /etc/cron.[daily,hourly,*] vs. /etc/cron.d/

[John Miller <millerj@xxxxxxxxxxxxxxx>]

On a more specific aspect of this (without regard to best practice), 
does anyone know of a tool that converts crontabs into Gantt charts?

I've always wanted to visualize how the crontab jobs (on a set of 
machines) line up in time.  Each entry would need to be supplemented 
with an estimate of the duration of the job (3 minutes vs 3 hours).

JM


Dustin J. Mitchell wrote:
> On Jan 8, 2008 9:53 PM, Dustin Puryear <dustin@xxxxxxxxxxxxxx> wrote:
> > 1. normal use of crontabs
> > 2. creating a crontab-like entry in a file in /etc/cron.d/
> > 3. creating symlinks to your scripts in /etc/cron.hourly/,
> > /etc/cron.daily/, etc. (I'll just say /etc/cron.daily to be short.)
> > 4. /etc/crontab for the root user being able to run cron jobs as any
> > user, unlike /etc/cron.d/ and /etc/cron.daily/.
>
> I consistently prefer /etc/crontab.  When I have a box that's doing
> something funny at 2:35am every morning, it's much easier to look in
> just one place.  It's also easier to make sure that crontasks aren't
> stepping on one anothers' toes that way.
>
> The directories are really only useful for distro authors, who need a
> flexible way to add and remove tasks for particular applications.
>
> Dustin (the other Dustin)