[CentOS] the at command

Tue Jan 22 10:36:34 UTC 2013
John Doe <jdmls at yahoo.com>

From: Jerry Geis <geisj at pagestation.com>

> So what mechanizim exists to run command down to the second?
> I'd rather not wait an entire 59 seconds to run the command.

You could use a "cluster ssh" to run your commands at the same time on all hosts.
You could run a script on each server that just run an infinite loop and, at a give time, runs a command.