[NTLUG:Discuss] Host ID

[Daphne & Steve Martindell]

Steve Baker wrote:
> 
> Fred James wrote:
> > Well, actually I'm not sure what good that is since I get exactly that
> > same number on each of two Linux machines here (i.e., between us so far
> > we have three machines with the same hostid number).  But, maybe someone
> > else has a better idea.
> 
> I guess the big question is "What do you want this for?" - some machines
> (SGI and Sun machines for example) have an utterly unique number burned
> into a chip somewhere that generates a totally unique ID that's often
> used to node-lock software, to verify the machine's identity for maintenance
> contract work and things like that.
> 
> PC's (in general) don't have that - and software that needs to node-lock has
> to use the NIC Ethernet address - which is unique - but changes when you upgrade
> or replace your NIC.  The big problem with PC's is that wherever you put that
> unique ID code, there is a good chance that someone will upgrade that part
> and find that nothing works anymore.
> 
> Microsoft try to get around that by tying together your CPU type, your
> RAM size, various device ID's *and* your NIC and allow one or two of those
> to change and still see this as the 'same' computer...however, that's
> notoriously flakey.
> 
> I'd bet that the NIC address is 'good enough' for most purposes...so, the
> big question is: What is this *for*?
> 
> ----------------------------- Steve Baker -------------------------------
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   Well, we are getting 7f0200 here on this pc.

   We need the host id for Cadence license.

   My next question is, (you might have guessed it already)
   how do you get "NIC" from Linux?  (not from windows)


   Thank you all for digging into this problem.
   I will wait for your response.


       - steve