Re: [SLUG] Unknown command

From: Paul M Foster (paulf@quillandmouse.com)
Date: Mon Nov 07 2005 - 02:52:12 EST


On Sun, Nov 06, 2005 at 09:19:32PM -0500, Kwan Lowe wrote:

>
> > Anyone know of a command that will cause other machines on a subnet to
> > echo back their IPs and names? Obviously, this wouldn't work if you had
> > to know the names of the machines first. So it would have to be like a
> > broadcast command that used ICMP or something to cause others to answer.
> > Anyone know of such a beast? Seems like I should know this, but I don't.
> >
>
> You can do a broadcast ping.
>
> For a /24 network:
> ping -b 192.168.8.255
>
> Or /16, etc..
> ping -b 192.168.255.255
>
> You could probably grab the output and pass it through the "host" command
> to return
> the hostnames.
>

My version of ping does not allow this option (Debian unstable).
However, Ian's nmap appears to work.

Paul

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