linux-kernel - Re: Detecting if you are running in a container

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Date:	Fri, 14 Oct 2011 14:58:32 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
CC:	"Ted Ts'o" <tytso@....edu>, Kyle Moffett <kyle@...fetthome.net>,
	"J. Bruce Fields" <bfields@...ldses.org>,
	Matt Helsley <matthltc@...ibm.com>,
	Lennart Poettering <mzxreary@...inter.de>,
	Kay Sievers <kay.sievers@...y.org>,
	linux-kernel@...r.kernel.org, harald@...hat.com, david@...ar.dk,
	greg@...ah.com, Linux Containers <containers@...ts.osdl.org>,
	Linux Containers <lxc-devel@...ts.sourceforge.net>,
	"Serge E. Hallyn" <serge@...lyn.com>,
	Daniel Lezcano <daniel.lezcano@...e.fr>,
	Paul Menage <paul@...lmenage.org>
Subject: Re: Detecting if you are running in a container

On 10/14/2011 11:04 AM, Eric W. Biederman wrote:
> 
> I have found and merged a solution that allows us to name namespaces
> without needing a namespaces for namespaces.
> 

Something based on UUIDs, perhaps?

UUIDs are kind of exactly this, after all... a single namespace designed
to be large and random enough to be globally unique without a central
registration authority.

	-hpa

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