From: Heesob Park <phasis@...>
Date: 2009-01-11T13:44:35+09:00
Subject: Re: Unique identify computer (both Windows and MacOSX)

2009/1/11 Matt Harrison <iwasinnamuknow@genestate.com>:
> Daniel Berger wrote:
>>
>> On Jan 10, 4:04 pm, Jarmo Pertman <jarm...@gmail.com> wrote:
>>>
>>> puts RUBY_PLATFORM
>>>
>>> Fernando Malard wrote:
>>>>
>>>> Hello,
>>>> How can I unique identify the OS where my Ruby code is running?
>>>> I can do this using specific Win32 features but I looking for an OS
>>>> independent approach...maybe using the HD serial?
>>>> Regards,
>>>> Fernando.
>>
>> No, don't use RUBY_PLATFORM because it won't work with JRuby, and
>> possibly other implementations.
>>
>> Instead, require "rbconfig", then check Config::CONFIG['host_os'].
>>
>> Regards,
>>
>> Dan
>>
>
> I believe the OP wants to get a unique identifier for each host, something
> like a GUID. I have no idea how you would make this cross platform though,
> maybe IP address but those change, or HD serial, but again that's
> changable...
>
> Windows supports GUIDs inherantly however AFAIK *nix systems don't.
>
> Sorry I don't have a solution.
>
> Matt
>
>
If the OP wants the unique ID per computer in cross platform way, the
mac address is one solution.

Try ruby -r macaddr -e'  p Mac.addr  '

gem install macaddr

Regards,

Park Heesob