Re: [PATCH] devpts: Add ptmx_uid and ptmx_gid options
- From: Alexander Larsson <alexl redhat com>
- To: James Bottomley <James Bottomley HansenPartnership com>
- Cc: gnome-os-list gnome org, Linux Containers <containers lists linux-foundation org>, "linux-kernel vger kernel org" <linux-kernel vger kernel org>, Andy Lutomirski <luto amacapital net>, mclasen redhat com, "Eric W. Biederman" <ebiederm xmission com>, Linux FS Devel <linux-fsdevel vger kernel org>
- Subject: Re: [PATCH] devpts: Add ptmx_uid and ptmx_gid options
- Date: Tue, 31 Mar 2015 09:57:22 +0200
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.
--
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Alexander Larsson Red Hat, Inc
alexl redhat com alexander larsson gmail com
He's a war-weary Catholic boxer for the 21st century. She's a beautiful
renegade magician's assistant looking for love in all the wrong places.
They fight crime!
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