Re: For review: user_namespaces(7) man page

From: Michael Kerrisk (man-pages)
Date: Thu Mar 21 2013 - 11:53:26 EST

Hi Serge,

On Fri, Mar 15, 2013 at 4:38 PM, Serge Hallyn <serge.hallyn@xxxxxxxxxx> wrote:
> Hi,
> you mention that after creating a new user namespace you at first have
> all capabilities in the new ns. You don't explicitly mention (or I
> missed it - I did see the mention of securebits) that if you want to
> keep those capabilities after doing an exec, you need to first have
> something mapped to uid 0 in the userns, and do setuid(0).

Good point. I'll add something on that.

> You might not want to list manpages from other projects,

Actually, not a problem. Many of the pages in my set already do this.

> but Eric's
> shadow patches introduce some good new manpages as well. Those aren't yet
> accepted upstream, but if/when they are then mention at least of
> subuid(5), subgid(5), and newuidmap(1) and newgidmap(1) might be good.

I'll add those.



Michael Kerrisk
Linux man-pages maintainer;
Author of "The Linux Programming Interface";
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