Re: [SLUG] Unknown command

From: Kwan Lowe (kwan@digitalhermit.com)
Date: Sun Nov 06 2005 - 21:19:32 EST


> 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.

-- 
* The Digital Hermit   http://www.digitalhermit.com
* Unix and Linux Solutions   kwan@digitalhermit.com
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