Subject: Re: init: can't exec /bin/bash for /etc/rc: Exec format error
To: Brian Rose <lists@brianrose.net>
From: felix zaslavskiy <felix@students.poly.edu>
List: current-users
Date: 06/24/2003 22:24:38
On Tue, 2003-06-24 at 22:17, Brian Rose wrote:
> I looked throughout /etc /etc/rc.d /usr/pkg/etc and /usr/etc/rc.d for bash references, but the only ones I found are in the passwd and master.passwd files for some users.
> 
> I did move bash to /bin so that I could have access to it in single user mode. But I did not modify root to use bash by default. I remember hearing of dire consequenses to those modifying the default root options.

I like to know what these dire consequences are because the first thing
i do when i install netbsd is install bash and change default shell for
root to /usr/pkg/bin/bash

I never had a problem on three machines i been using.

> 
> bash was linked statically on my system (ldd returned "not dynamically linked").
> 
> Anyway, it's working for now. I have a good amount of data to restore, so I'll look at the problem tomorrow.
> 
> Thanks for all the help.
> 
> George Michaelson wrote:
> > On Tue, 24 Jun 2003 21:44:27 -0400 Brian Rose <lists@brianrose.net> wrote:
> > 
> > 
> >>fsck returned a clean filesystem.
> >>
> >>root was configured for /bin/sh
> >>
> >>root has the following...
> >>.Xauthority
> >>.cshrc
> >>.ddd/
> >>.klogin
> >>.login
> >>.mozilla/
> >>.profile
> >>.shrc
> >>.xinitrc
> >>... other data files and directories including a bash script I use for
> >>renaming files. This script is invoked manually, not from any scripts.
> >>
> >>copying /bin/sh into /bin/bash did the trick. Now how do I restore /bin/bash
> >>or find the original problem?
> > 
> > 
> > 
> > You can get /bin/bash back by installing bash from pkgsrc and copying it out of
> > /usr/pkg/bin/bash where it should be. Nothing in NetBSD default install makes
> > /bin/bash, so it got into /bin by somebody manually putting it there.
> > 
> > finding the original problem.. init is calling rc which is calling a range of
> > stuff in /etc and /etc/rc.d/ -If you are saying that
> > 
> > 	grep bash /etc/rc* /etc/rc.d/* 
> > 
> > has no matches then its an indirect reference to /bin/bash via something else,
> > not directly in the RC system itself. Ie an invoked program.
> > 
> > I looked in /bin, /sbin, /usr/bin, /usr/sbin and found nothing in my NetBSD
> > current but I did find /usr/pkg/bin had some bash scripts. So I suspect this is
> > going to be the rc/init process thats walked into /usr/pkg/etc/rc.d/ or else
> > something manually put into the call-chain for init/rc.
> > 
> > cheers
> > 	-george
> > 
> > 
>