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Re: OS-level virtualization

On Tue, Apr 06, 2021 at 06:11:52PM -0000, Christos Zoulas wrote:
> In article <>,
> Martin Husemann  <> wrote:
> >On Tue, Apr 06, 2021 at 12:29:31PM -0400, Aaron B. wrote:
> >> It's just the same chroot system call under the hood. And currently,
> >> that's all there is. The kernel simply doesn't have any other way to
> >> isolate processes at the time.
> >
> >Well, there is kauth(9), which can be extended by specific listeners
> >(but AFAIK nothing shrink-wrapped is shipped with the base OS).
> Well, kauth does authorization checking, we are talking here about providing
> separate namespaces for different processes (networking, filesystem etc.)

Yes, but there are various KAUTH_REQ_PROCESS_CANSEE* that solve parts of
that problem. Some more may be missing.


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