Commands for network resource discovery?

I was wondering how one would find network resources in Linux.  Both graphically and command-line.  For instance, is there a way to know about other Linux machines that might exist on the same subnet?  I think I would be able to figure out how to mount the file systems once I find them, but I don't really know how network resource discovery works in Linux.

Thanks for the help,
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wgilsterAsked:
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samriConnect With a Mentor Commented:
Take a look at Cheops (http://www.marko.net/cheops/).  I think in combination with Nmap http://www.insecure.org/nmap/) it could be a good tool to start up with.

cheers.
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ahoffmannCommented:
there is no general way, but numerous other ways to do it.
If you're not experianced to networks, I highly recommend that you ask other users using Linux on the subnet to tell you their hostname.
Then it's very simple:
   mount other-hostname:/name-of-share /mountpoint

This is also possible graphically, but depends on the used WindowManager and Desktop, each has its own solution for it.
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wgilsterAuthor Commented:
So are you saying that resource discovery can only be accomplished graphically?  Isn't there some kind of broadcast command?  Graphically, I'm using KDE on RHL V7.1.
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ahoffmannCommented:
even the RPC protocoll (which is used by NFS) can handle broadcast, I'm nit aware of any standard functionality with broadcast. But there exist 3'rd party products which do it.
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samriCommented:
wgilster,

forgot to include this;

Some of the features : http://www.marko.net/cheops/features.html

I hope it would be a good tool to start with.
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wgilsterAuthor Commented:
nmap looks great!  It has both graphical and command line.  Just what I was looking for!
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ahoffmannCommented:
about your mount question, I found a broadcast solution:

rpcinfo -b 100005 3|sort -u|awk '{print "showmount -e "$2}'|sh

# probably you need to replace 3 by 2 or 1, or use all three variants
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