[systemd-devel] arch linux container filesystems

Serge Hallyn serge.hallyn at ubuntu.com
Fri Jun 20 10:04:14 PDT 2014


Quoting Lennart Poettering (lennart at poettering.net):
> On Fri, 20.06.14 15:47, Robin Becker (robin at reportlab.com) wrote:
> > In any case, some might argue that a container (lightweight or not)
> > should be virtually indistinguishable from the original system which
> > would mean such a bug could not happen.
> 
> Well, these are containers not VMs. They are actually massively
> different from the host. For example /sys nor /dev are virtualized, and
> they are unlikely to ever be. Neither is SELinux or anythign like that.
> 
> Containers *are* distuingishable from normal hosts, and that's by
> design. And in no way systemd's design but Linux kernel stuff.

Yup, as proclaimed at kernel summit in 2008 or so.

-serge


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