On Oct 7, 2009, at 2:09 PM, Kyle McDonald wrote:

> Will Fiveash wrote:
>> On Wed, Oct 07, 2009 at 03:29:55PM -0500, Douglas E. Engert wrote:
>>
>>> For what it is worth, Kerberos usually want the hostname command  
>>> to return
>>> the FQDN, rather then the short name. We always install a new  
>>> system from
>>> the start using the FQDN.
>>>
>>
>> It shouldn't matter.  Here inside Sun the norm is for hostname to  
>> be set
>> to the short form.
>>
> Which is where I picked up the habit. ;)

I've picked up the opposite habit.  I believe other Kerberos distro's  
may be less forgiving than Sun in that respect.

OTOH, maybe it has to do with other resolver-related configuration.   
If /etc/nsswitch.conf contains:

hosts:      files dns

and /etc/nodename, /etc/hostname.* and/or /etc/hosts contain the short  
name, then don't you get the short name back from a reverse DNS  
lookup?  As they said in Ghostbusters, that would be "bad".

Anyone care to elaborate on the issues?

------------------------------------------------------
The opinions expressed in this message are mine,
not those of Caltech, JPL, NASA, or the US Government.
Henry.B.Hotz at jpl.nasa.gov, or hbhotz at oxy.edu



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