AFAIK, you can't run a single crontab entry more than once per minute. In fact, cron only scans crontab once per minute, so I doubt very much that you can get per-second control over cron scheduling.
--kurt On Sunday 21 October 2001 13:10, Theo Wribe wrote: > How do I create a crontab that run's #ping IP every 10 seconds? > > Tried crontab -e > > 0,10,20,30,40,50 * * * * /bin/ping -s 8 -c 1 www.sunet.se 1> > /dev/null 2> /dev/null > > But it doesn't seem to work. > > Thanks Theo