On 12/12/2013 09:10 PM, Bill Davidsen wrote:
Gregory Hosler wrote:
On 12/13/2013 09:02 AM, T.C. Hollingsworth wrote:
On Thu, Dec 12, 2013 at 3:31 PM, Mike Wright
<mike.wri...@mailinator.com> wrote:
Hi all,

I'm trying to execute a command once a minute.  As a test I
place this:

0,1 * * * * /bin/ping -c1 w.x.y.z > /dev/null 2>&1

in /etc/cron.d/everyMinute

but nothing is happening.  I've done "service crond restart".

Any ideas?

That "0,1" tells cron to run your command at N:00 and N:01 every
hour. You want "0-59" instead.

or */1

e.g.

*/1 * * * * /bin/ping -c1 w.x.y.z > /dev/null 2>&1

All the best,

Don't think that does what you want, */5 is every 5th time, but /1 is
a NOP, I think. All asterisks should be once a minute.


  * * * * *  command to execute
  | | | | |
  | | | | |
  | | | | |
  | | | | +--- day of week (0 - 7) 0 to 6 are Sunday to Saturday,
  | | | |      or use names;  7 is Sunday, the same as 0
  | | | +----- month (1 - 12)
  | | +------- day of month (1 - 31)
  | +--------- hour (0 - 23)
  +----------- min (0 - 59)

therefore;

   1 * * * *

should be use.


using a </> key is to indicate skip period as in;

  */2

would be every 2 hours.


i do not know what op's

  0,1

would do as i have never seen <,> used in any cron commands.

--

peace out.

in a world with out fences, who needs gates.

tc.hago.

g
.

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