Cron vs. Whenjobs vs. Goaljobs

[Joe Zeff]

On 12/18/2013 12:43 AM, Jonathan Ryshpan wrote:
> *
>
> If I can replace /cron/ with /at/ and get the desired result, I'll be happy.

You may want to consider using batch instead, running the command as 
part of setting up your login session.  This will start the backup when 
the load average drops below a certain specified value, presumably when 
you're away from your computer.