[rhelv6-list] what does hostid return?

[Jonathan Billings]

If you're looking at the output of the 'hostid' program in RHEL6, most
likely it's the IP address returned by gethostbyname(), represented in
hexadecimal, unless you've set it specifically with sethostid().  Look at
the man page for gethostid(3).


On Fri, Apr 4, 2014 at 10:34 AM, Mirko Vukovic <mirko.vukovic at gmail.com>wrote:

> Hello,
>
> A software vendor asked me to provide a hostid for a software license.
>
> I typed in hostid, got an eight digit hexadecimal number and emailed it to
> them.
>
> However, they were looking for a 12 digit hex number.
>
> I sent them the hardware address of eth0.
>
> My question is: how is the hostid number obtained?  Is it from a disk
> drive, or some other hardware.  I could not find information online.
>
> Thank you,
>
> Mirko
>
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-- 
Jonathan Billings <jsbillin at umich.edu>
College of Engineering - CAEN - Unix and Linux Support
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