Date: Wed, 16 Jan 2002 17:09:00 -0200 From: "Rodrigo A B Freire" <bsdstuffs@brasilia.br> To: "Doug Reynolds" <mav@wastegate.net>, "Kevin Oberman" <oberman@ptavv.es.net> Cc: "Brian T. Schellenberger" <bts@babbleon.org>, <freebsd-questions@FreeBSD.ORG> Subject: Re: Newbie: 4.4-stable, how to? - And the CVSupIT bug. Message-ID: <000a01c19ec1$426e82e0$840010ac@bsb.terra.com.br> References: <20020116175313.891BE5D13@ptavv.es.net>
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Of COURSE it's a test system.
Anyways, the 4.5 is shining in this new machine since sunday, and I
found some Cheat Sheets that helped more than your comment.
Thanks for your time!
----- Original Message -----
From: "Kevin Oberman" <oberman@ptavv.es.net>
To: "Doug Reynolds" <mav@wastegate.net>
Cc: "Brian T. Schellenberger" <bts@babbleon.org>;
<freebsd-questions@FreeBSD.ORG>; "Rodrigo A B Freire"
<bsdstuffs@brasilia.br>
Sent: Wednesday, January 16, 2002 3:53 PM
Subject: Re: Newbie: 4.4-stable, how to? - And the CVSupIT bug.
> > From: "Doug Reynolds" <mav@wastegate.net>
> > Date: Wed, 16 Jan 2002 12:28:12 -0500
> >
> > On Tue, 15 Jan 2002 21:02:57 -0800, Kevin Oberman wrote:
> >
> > >> you can also type "shutdown now" instead of rebooting into single
user
> > >> mode b4 installing the world- it saves from running fsck, mounting
etc
> > >> etc etc
> > >
> > >While you can do a great many things in FreeBSD, this one is NOT a good
> > >idea. The point of the reboot is to load the new kernel and make sure
> > >it will boot before installing the world. an 'fsck -p' takes about 2
> > >seconds and 'mount -a -t ufs' takes a bit less.
> > >
> > >Once you have installed world, if the new kernel won't work you system
> > >might not run properly with the old kernel and backing out the world
> > >install is a major pain.
> > >
> > >The instructions in UPDATING were written to provide a safe, fairly
> > >easy way to update a system. Think carefully of what you are doing
> > >before diverging from them.
> >
> > well, in that case, if it doesn't work, it'll test your backups to see
> > if they'll work :)
>
> It will also check out your adeptness in explaining to your boss why a
> server was down for 3 hours while you restored the system (including
> panicked investigation of whether there is a way to avoid the need to
> restore, the time to load the backup tapes into the DLT's hopper,
> and the time to actually restore 3 or 4 levels of dump).
>
> Of course, if it's just a test system, you might not care. And I'm
> sure you always deploy updates on a test system before trying them on
> any production system. :-)
>
> R. Kevin Oberman, Network Engineer
> Energy Sciences Network (ESnet)
> Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
> E-mail: oberman@es.net Phone: +1 510 486-8634
>
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