replace uname -a informational string
O. Hartmann
ohartman at zedat.fu-berlin.de
Fri Oct 23 20:54:32 UTC 2015
Am Fri, 23 Oct 2015 13:45:25 -0400
"Michael B. Eichorn" <ike at michaeleichorn.com> schrieb:
First of all: Thank you very much for your concerns and answers.
> On Fri, 2015-10-23 at 09:08 +0200, O. Hartmann wrote:
> > For security purposes, I need to replace the informations given by
> > "uname -a"
> > to hode the kernel build system, name et cetera.
>
> I presume you intendend 'hide' here?
>
> If you want to scrub a binaries of _all_ information about the building
> system this is a problem Debian is actively working on called
> 'reproducible builds' but is not possible today.
>
> https://reproducible.debian.net
>
> If you want to hide the hostname, why not just build with a different
> hostname set?
Because it is not only the hostname, uname reveals the target host, date and OS version.
In our case, the image ist built on a dedicated host for a security appliabce based on
NanoBSD and I'd like to hide the OS type, the OS name, the build box' name and the build
date.
>
> >
> > Is there a way to achieve this via setting some knobs in the process of
> > a
> > buildkernel?
> >
> > Please CC me, I'm not subscriber of the list.
> >
> > Kind regards and thanks in advance,
> >
> > O. Hartmann
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