[ale] how to see if a host is up on a network

[gt2497b at prism.gatech.edu (Joe Novosel)]

> 
> I need a way to find out if a host is alive on our network.  I've looked at
> using "ping -c 1 thehost" and it would work fine but my script can't afford to
> wait 10 seconds for a downed host not to respond.  Any suggestions? 
> ------         David Hamm - dhamm at itserve.com           --------
> 
You can change the timeout on ping.  If a system is on your network, then
1 second should be _more_ than enough time. 
(on Solaris, ping hostname timeout)

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Joe Novosel
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