Escaping my own chroot...

[Nick Craig-Wood]

r0g <aioe.org at technicalbloke.com> wrote:
>  I'm writing a linux remastering script in python where I need to chroot
>  into a folder, run some system commands and then come out and do some
>  tidying up, un-mounting proc & sys etc.
> 
>  I got in there with os.chroot() and I tried using that to get back out
>  but that didn't work so... is my script trapped in there forever now or
>  is there an un-hacky way to escape?

No!

>  If it is an OS restriction rather than my ignorance of python is there a
>  canonical way of dealing with it? Should I maybe fork a process, have it
>  do the chroot and wait for it to terminate before continuing?

That is the only way...

However this is a solved problem if you use schroot (which works very
well in my experience)

  http://packages.debian.org/sid/schroot
  http://www.debian-administration.org/articles/566

There are definitely debian, ubuntu and centos packages for it if you
look!

-- 
Nick Craig-Wood <nick at craig-wood.com> -- http://www.craig-wood.com/nick