joachim.backes@xxxxxxxxxxxxxx wrote: > 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 > FYI, the hostid does not use information from ifconfig. It looks for a match between "hostname -s" and information in /etc/hosts. It then uses the IP address contained there. No match then hostid returns 00000000. -- Television is a medium because anything well done is rare. -- attributed to both Fred Allen and Ernie Kovacs -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
