Re: Script Test [OT]

"joachim.backes@xxxxxxxxxxxxxx" <joachim.backes@xxxxxxxxxxxxxx> · Tue, 09 Sep 2008 10:33:24 +0200

Cameron Simpson wrote:
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,

Hi,

seeing the same (using dhcp for getting an ip address):

backes@eule [backes]: hostid
00000000

backes@eule [backes]: ifconfig
eth0      Link encap:Ethernet  HWaddr 00:0C:76:C0:40:36
          inet addr:192.168.179.182  Bcast:192.168.179.255 
Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:284 errors:0 dropped:0 overruns:0 frame:0
          TX packets:256 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:86392 (84.3 KiB)  TX bytes:25620 (25.0 KiB)
          Interrupt:22 Base address:0x2000

Not seeing this effect on systems without dhcp usage.

Regards

--
Joachim Backes <joachim.backes@xxxxxxxxxxxxxx>

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