Tom Horsley wrote:
I've been experimenting with chroot to switch to an
alternate root partition and "do stuff" without
actually having to reboot to that alternate OS.
I see that none of the special filesystems seem to
be created as part of the ordinary chroot command, yet
things like the bind-chroot rpm does manage to create
a more complete environment for named to run in
(with populated /dev and /proc and wot-not).
Is there a handy tool somewhere to duplicate all the
special filesystems in a chroot environment?
Or should I just look at bind-chroot in more detail
and steal what it does?
The general idea of chroot is to provide a slightly more secure
environment than the base system.
bind-chroot has what it needs; ordinarily one doesn't want devices in
the chroot environment (a few exceptions such as /dev/{null,zero} are
needed, but certainly not /dev/sda).
I would contemplate an alternative approach such as using xen or, if h/w
virtualisation is available. kvm.
--
Cheers
John
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