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SubjectRe: [PATCH RESEND] uts: Set default hostname to "localhost", rather than "(none)"
On Sun, 10 Apr 2011 22:01:59 -0700
Josh Triplett <josh@joshtriplett.org> wrote:

> The "hostname" tool falls back to setting the hostname to "localhost" if
> /etc/hostname does not exist. Distribution init scripts have the same
> fallback. However, if userspace never calls sethostname, such as when
> booting with init=/bin/sh, or otherwise booting a minimal system without
> the usual init scripts, the default hostname of "(none)" remains,
> unhelpfully appearing in various places such as prompts
> ("root@(none):~#") and logs. Furthrmore, "(none)" doesn't typically
> resolve to anything useful, while "localhost" does.
>
> Change the default hostname to "localhost". This removes the need for
> the standard fallback, provides a useful default for systems that never
> call sethostname, and makes minimal systems that much more useful with
> less configuration.
>
> Signed-off-by: Josh Triplett <josh@joshtriplett.org>
> ---
>
> Looked at "(none)" one too many times, and figured I ought to do
> something about it.
>
> Resending, and adding CCs for networking and UTS.
>
> include/linux/uts.h | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/include/linux/uts.h b/include/linux/uts.h
> index 73eb1ed..610bec2 100644
> --- a/include/linux/uts.h
> +++ b/include/linux/uts.h
> @@ -9,7 +9,7 @@
> #endif
>
> #ifndef UTS_NODENAME
> -#define UTS_NODENAME "(none)" /* set by sethostname() */
> +#define UTS_NODENAME "localhost" /* set by sethostname() */
> #endif
>
> #ifndef UTS_DOMAINNAME

It makes sense but this behavior has existed so long in Linux
that some distro might actually be depending on it.

--


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