Protection from the dreaded "rm -fr /"

Giorgos Keramidas keramida at
Sat Oct 2 18:53:35 PDT 2004

On 2004-10-02 19:29, "M. Warner Losh" <imp at> wrote:
> In message: <20041002210554.GS35869 at>
>             Tillman Hodgson <tillman at> writes:
> : It'll never work, though, that's the thing. At some point it'll rm
> : something it itself needs and error out. There isn't a way to use `rm
> : -rf /` that /doesn't/ result in foot-shooting.
> No.  You are wrong.  if you rm -rf in a chroot, then it won't result
> in foot shooting, necessarily, like it would outside a chroot.

Since a chroot can always be rm -fr deleted from outside the chroot,
this isn't really a great problem, is it?

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