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

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On Thu, 2015-05-28 at 12:14 -0500, Eric W. Biederman wrote:
> 
> > Where does the second namespace enter into this? 
> 
> Step a.  Create create a user namespace where uid 0 is mapped to your
> real uid, and set up your sandbox (aka mount /dev/pts and everything
> else).
> 
> Step b.  Create a nested user namespace where your uid is identity
> mapped and run your desktop application.  You can even drop all caps 
> in
> your namespace.

Just tried this. Its not the nicest, and it doubles the number of
namespaces in action for each sandbox, but it does work.
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