current-users: Re: on not shooting yourself in the foot during upgrade.. (PATH=/rescue:$PATH)

Subject: Re: on not shooting yourself in the foot during upgrade.. (PATH=/rescue:$PATH)
To: George Michaelson <ggm@apnic.net>
From: Bill Stouder-Studenmund <wrstuden@netbsd.org>
List: current-users
Date: 03/19/2007 09:58:03

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On Mon, Mar 19, 2007 at 03:19:10PM +1000, George Michaelson wrote:
>=20
> I am probably very confused, but I don't understand why /bin/sh
> and /sbin/init depend on the shared libs, but didn't die during the
> upgrade. Is there something special about their COW state or something

install unlinks the old file then writes a new one. Thus /bin/sh and=20
/sbin/init are using the old, unmodified versions of the relevant libs.

cp copies, and as such will overwrite the running executable. Explosions
then happen.

Take care,

Bill

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