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Subject: Re: plan9 semantics on Linux - mount namespaces
To:     Aleksa Sarai <asarai@suse.de>
Cc:     "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Linux Containers <containers@lists.linux-foundation.org>
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From:   Enrico Weigelt <lkml@metux.net>
Organization: metux IT consult
Message-ID: <24ddea73-5c84-e098-caae-8a4c14834cbd@metux.net>
Date:   Wed, 14 Feb 2018 12:27:44 +0100
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On 14.02.2018 11:24, Aleksa Sarai wrote:

> What distribution are you using and which release? 

On a self-compiled system.

Forgot to enable namespaces in the kernel. Now it seems to work
as root, but not as an unprivileged user:


daemon@alphabox:~ unshare -r -U
unshare: can't open '/proc/self/setgroups': Permission denied
daemon@alphabox:~ unshare -f -r -U
unshare: can't open '/proc/self/setgroups': Permission denied


--mtx

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