linux-kernel - Re: plan9 semantics on Linux

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Message-ID: <39b08c53-3449-3164-c1b1-44ac587dd4ea@metux.net>
Date:   Wed, 14 Feb 2018 00:01:49 +0000
From:   Enrico Weigelt <lkml@...ux.net>
To:     Aleksa Sarai <asarai@...e.de>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Linux Containers <containers@...ts.linux-foundation.org>
Subject: Re: plan9 semantics on Linux - mount namespaces

On 13.02.2018 22:27, Aleksa Sarai wrote:

> You can do this by creating a new user namespace (CLONE_NEWUSER), which
> then gives you the required permissions to create other namespaces
> (CLONE_NEWNS). This is how "rootless containers" or unprivileged
> containers operate.

hmm, unshare -U doesn't work for me (even as root). But docker works,
so user namespaces should be working. Any idea what could be wrong ?


--mtx


-- 
Enrico Weigelt, metux IT consult
Free software and Linux embedded engineering
info@...ux.net -- +49-151-27565287