Subject: Re: PATCH: init(8) - multiuser under chroot
To: Jachym Holecek <firstname.lastname@example.org>
From: Daniel Carosone <email@example.com>
Date: 05/31/2005 19:25:10
Content-Type: text/plain; charset=us-ascii
On Tue, May 31, 2005 at 11:05:52AM +0200, Jachym Holecek wrote:
> That's an obvious and failsafe approach. The invariant of "single user
> always on real root" prove _very_ useful while testing at the least
Sure, and if you boot -s, that's where you end up. Personally, I so
rarely shut *back* down to single user without rebooting that I tend
to even forget it can be done.
Clearly, though, winding somewhere else when you do migh be just as
confusing on the other side.
> > Yeah, it's not like any changes you make at single-user in the md root
> > are going to be permanent.
> Note that the scheme isn't md-specfic in any way -- you can boot off an
> USB flash disk and migrate to a cgd@wd0 multi-user (ch)root.
That example illustrates exactly where the chroot trick, nice though
it is, falls down: what happens when the flash widget is removed and
real-/ has to detach? For that reason, you'd use the md.
Point taken, all the same.
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