On 08Sep2008 21:04, Kevin J. Cummings <cummings@xxxxxxxxxxxxxxxxxx> wrote:
> Alan Evans wrote:
>> On Mon, Sep 8, 2008 at 6:40 AM, Steven Tardy <sjt5@xxxxxxxxxxxxxxx> wrote:
>>> kwhiskerz wrote:
>>> man hostid
>>
>> On my Fedora 9...
>> $ hostid
>> 00000000
>>
>> Now I haven't bothered to check any other machines, but my initial
>> impression is that this is not going to work...
>
> I just checked the hostids on my 2 primary machines on the same local
> network. They just seem to be encodings of the machine's IP addresses.
> And since both are PC class machines, the addresses look to be syllable
> swapped (but not byte swapped).
>
> 192.168.6.94 and 192.168.6.106
> a8c05e06 and a8c06a06
>
> So, I have to ask, does the machine you tried it on have an IP address?
So, let us turn to the docs: man hostid says:
hostid - print the numeric identifier for the current host
[...]
The full documentation for hostid is maintained as a Texinfo manual
[...]
Gah. I hate this info-so-no-f'n-man-page rubbish!
But let's go: info hostid:
21.4 `hostid': Print numeric host identifier.
=============================================
`hostid' prints the numeric identifier of the current host in
hexadecimal. This command accepts no arguments. The only options are
`--help' and `--version'. *Note Common options::.
For example, here's what it prints on one system I use:
$ hostid
1bac013d
On that system, the 32-bit quantity happens to be closely related to the
system's Internet address, but that isn't always the case.
Gah! Again!
I don't think I'd rely on hostid for anything:-(
Cheers,
--
Cameron Simpson <cs@xxxxxxxxxx> DoD#743
http://www.cskk.ezoshosting.com/cs/
A good newspaper is never good enough, but a lousy newspaper is a joy
forever. - Garrison Keillor
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