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

From: Alexander Larsson
Date: Tue Mar 31 2015 - 03:57:46 EST


On fre, 2015-03-27 at 10:03 +0100, James Bottomley
>
> > On Fri, Feb 20, 2015 at 5:04 PM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> 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.

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Alexander Larsson Red Hat, Inc
alexl@xxxxxxxxxx alexander.larsson@xxxxxxxxx
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They fight crime!

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