Date: Sat, 23 Oct 1999 02:05:13 +0100 From: Mark Ovens <mark@ukug.uk.freebsd.org> To: Jeff Gray <jwg@netbox.com> Cc: Questions at FreeBSD <freebsd-questions@freebsd.org> Subject: Re: newbie kernel question- strip problem Message-ID: <19991023020511.I588@marder-1> In-Reply-To: <Pine.BSF.4.10.9910221740320.28205-100000@cm-24-142-61-16.cableco-op.ispchannel.com> References: <19991023011835.B588@marder-1> <Pine.BSF.4.10.9910221740320.28205-100000@cm-24-142-61-16.cableco-op.ispchannel.com>
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On Fri, Oct 22, 1999 at 05:52:57PM -0700, Jeff Gray wrote:
> Maybe a [silly] rehash, but maybe not.
>
> The reason I ask is that neither the archives nor the earlier post by
> Jason indicated that it was necessary to change permissions to do this
> before using strip -g on a kernel. I am trying to understand if I
> am solving the correct problem by changing permissions.
>
Not sure why it's not documented, and yes you are solving the
correct problem by changing permissions.
> Is this because of the coversion to ELF? If so, then this rehash is not
> completely silly.
>
No, it's always been that way. The immutable flag prevents even
root accidently deleting the kernel.
> What I intend to do if the change of permissions is the way to look at it.
>
> chflags noschg /kernel
> strip -g --strip-debug kernel
> chflags schg /kernel
>
> shutdown -r now
>
That's correct.
> Thanks to all,
> jeff
>
> >
> > /kernel has the immutable flag set:
> >
> > marder-1# ls -lo kernel
> > -r-xr-xr-x 1 root wheel schg 1694816 Oct 17 20:07 kernel
> > ^^^^
> >
> > use ``chflags noschg /kernel'' to remove it, then strip(1).
> >
> > Don't forget to reset it after with ``chflags schg /kernel''
> >
> > HTH
>
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