linux-kernel - Re: CLONE_NEWUTS documentation

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Message-ID: <46B6C177.8040405@gmx.net>
Date:	Mon, 06 Aug 2007 08:36:39 +0200
From:	Michael Kerrisk <mtk-manpages@....net>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
CC:	"Serge E. Hallyn" <serue@...ibm.com>,
	Kirill Korotaev <dev@...nvz.org>,
	Herbert Poetzl <herbert@...hfloor.at>,
	Andrey Savochkin <saw@...ru>, Adrian Bunk <bunk@...sta.de>,
	Cedric Le Goater <clg@...ibm.com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: CLONE_NEWUTS documentation



Eric W. Biederman wrote:
> Michael Kerrisk <mtk-manpages@....net> writes:
> 
>> Hello Serge,
>>
>> In 2.6.19, your patch to add support for CLONE_NEWUTS was included.  Is
>> there there some for-userland-programmers documentation of this flag
>> somewhere?  Would you be able to send some documentation to me (ideally as
>> a patch to the clone.2 man page, but otherwise some plain text will do).
>>
>> If this flag is also supported for unshare(), then could you please send me
>> a patch/text for that too?
> 
> Again a short summary
> 
> The utsname namespace encapsulates the global kernel identification stored
> in struct utsname returned from uname(2).
> 
> It is a very trivial namespace but it allows you to set multiple hostnames
> and nis domainnames on the same machine.

Thanks Eric.

And a further question: is CLONE_NEWUTS implemented for unshare()?

Cheers,

Michael

-- 
Michael Kerrisk
maintainer of Linux man pages Sections 2, 3, 4, 5, and 7

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