[openssh-commits] [openssh] 02/02: upstream: hostname is not specified by POSIX but uname -n is, so use

Chris Green cl at isbd.net
Tue Feb 9 07:58:45 AEDT 2021


On Mon, Feb 08, 2021 at 01:54:12PM -0700, Bob Proulx wrote:
> Chris Green wrote:
> > Isn't it just 'hostname -f'?
> > 
> >     chris$ hostname -f
> >     t470.zbmc.eu
> >     chris$ hostname
> >     t470
> 
> The hostname -f option is a "new-ish" Linux specific option.  It's not
> portable.  And because it works by doing a reverse DNS lookup it
> depends upon live network connectivity at that moment working for the
> network lookup and the results are spotty depending upon how DNS is
> set up and how many IP addresses are configured on the host.
> 
Yes, OK, just a thought.

-- 
Chris Green


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