Re: [GIT PATCH] I2C and W1 bugfixes for 2.6.12-rc2

[Kenneth Johansson <ken@kenjo.org>]

Greg KH wrote:
> On Tue, Apr 19, 2005 at 06:27:38PM -0400, Daniel Jacobowitz wrote:
> 
>>On Tue, Apr 19, 2005 at 03:00:04PM -0700, Linus Torvalds wrote:
>>
>>>
>>>On Tue, 19 Apr 2005, Greg KH wrote:
>>>
>>>>It looks like your domain name isn't set up properly for your box (which
>>>>is why it worked for you, but not me before, causing that patch).
>>>
>>>No, I think it's a bug in your domainname changes. I don't think you
>>>should do the domainname at all if the hostname has a dot in it.
>>>
>>>Most machines I have access to (and that includes machines that are
>>>professionally maintained, not just my own cruddy setup) says "(none)" to
>>>domainname and have the full hostname in hostname.
>>>
>>>And even the ones that use domainname tend to not have a fully qualified 
>>>DNS domain there. You need to use dnsdomainname to get that, and I don't 
>>>even know how to do it with standard libc.
>>>
>>>So how about something like this?
>>>
>>>(Somebody who actually knows how these things should be done - please feel 
>>>free to pipe up).
>>
>>The glibc documentation blows for this, but what getdomainname comes
>>from uname(2), not from any DNS-related configuration.  Debian only
>>ever sets this if you're using NIS.
> 
> 
> Well, somehow Gentoo sets this up properly, and I'm not using NIS.  Hm,
> my SuSE boxes on the other hand...

I have to agree with Daniel on this one. The domainname is related to 
nis and can be whatever you want it has nothing to do with DNS domains. 
Similar to a realm in kerberos

This is how it's used both on debian and solaris(don't use much else) 
and is consistent with Linus claim that it's common to have none.