Re: [PATCH] devpts: Add ptmx_uid and ptmx_gid options

[Alexander Larsson <alexl redhat com>]

On tis, 2015-03-31 at 16:07 +0300, James Bottomley wrote:
> On Tue, 2015-03-31 at 09:57 +0200, Alexander Larsson wrote:
> > On fre, 2015-03-27 at 10:03 +0100, James Bottomley 
> > > > On Fri, Feb 20, 2015 at 5:04 PM, Andy Lutomirski <luto amacapital net> wrote:
> > > > > It's currently impossible to mount devpts in a user namespace that
> > > > > has no root user, since ptmx can't be created.
> > >
> > > This is where I stopped reading because it's not true ... because it is
> > > possible, you just do it from the host as real root.
> >
> > The point is being able to set up a container as a user, not requiring
> > the setup to be run as root at all. In my case container is a desktop
> > application which will be started by the user, and will run as the user.
> > There is no root involved in the call chain at all.
>
> I don't really like that use case:  Most container setups are under the
> control of an orchestration system (like LXC, OpenVZ or even Docker).

Well, I'm doing something different from a server side orchestration
framework. I'm doing sandboxed desktop apps.

-- 
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 Alexander Larsson                                            Red Hat, Inc 
       alexl redhat com            alexander larsson gmail com 
He's an underprivileged sweet-toothed master criminal in a wheelchair. 
She's a psychotic out-of-work opera singer with the power to see death. 
They fight crime!