Ed Greshko wrote: > 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. > > Oooopssss... Correction..... It uses hostname for the match....not "hostname -r".... Also, it will take the info in /etc/hosts first and if no match will do a DNS lookup. -- He knew the tavernes well in every toun. -- Geoffrey Chaucer -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
