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Re: Strange 224.0.0.251 address being accessed on bootup

From: Douglas A. Tutty <dtutty(at)porchlight.ca>
Date: Mon Aug 27 2007 - 21:53:26 EDT


On Mon, Aug 27, 2007 at 04:28:48PM +0200, Nigel Henry wrote:
> On Monday 27 August 2007 03:52, Douglas A. Tutty wrote:

> > Since this is all happening in /etc/rcS.d, I'd suggest booting with
> > init=/bin/sh and running the /etc/rcS.d scripts manually one at a time
> > to try to track it down. If you can get a shell while these errors are
> > happening, perhaps you can see what processes are running.
>
> I havn't tried that before. Is that going to be similar to the interactive
> boot up that you can do on Fedora?
> >

I've never used Fedora. There's nothing interactive about it. When you init=/bin/sh, you get sh running instead of init. The only drive mounted is the / and its ro. So you cd to /etc/rcS.d, do an ls and write down all the file names so you can tick them off as you run them.

#less README

read it..

Then, one at a time, type e.g.:
#./S01glibc.sh start
#./S02hostname.sh start

You're sort-of single-stepping the init process to track down a problem. Once you have, try to fix it and then shutdown. Since init normally does this, I wouldn't want to try to bring the system all the way up in this manner.

Doug.

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