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Date:      Mon, 14 May 2001 20:40:52 -0700
From:      Doug Hardie <bc979@lafn.org>
To:        "Jason DiCioccio" <geniusj@bluenugget.net>
Cc:        "Nick Barnes" <Nick.Barnes@pobox.com>, <stable@FreeBSD.ORG>
Subject:   Re: serial console
Message-ID:  <f0433015eb72655a096f0@[10.0.1.100]>
In-Reply-To: <002901c0dcca$2d9f1a00$4904a8c0@epylon.lan>
References:  <59175.989869209@thrush.ravenbrook.com> <002901c0dcca$2d9f1a00$4904a8c0@epylon.lan>

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How are you preventing unauthorized access via the PM2?  I haven't 
found any way to prevent it.

At 16:04 -0700 5/14/01, Jason DiCioccio wrote:
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>I've found the Portmaster 2E to be quite good at this too :)..
>
>- ----- Original Message -----
>From: "Nick Barnes" <Nick.Barnes@pobox.com>
>To: <stable@freebsd.org>
>Sent: Monday, May 14, 2001 12:40 PM
>Subject: serial console
>
>
>>  I have received several individual replies to this message, asking
>>  for more details of setting up a serial console.  I haven't
>>  actually done this myself since 2.2.5 (or maybe 2.2.8), and the
>>  procedure has
>>  changed a little since then.  I refer people to the relevant
>>  section of the handbook:
>>
>>  <URL:
>>  http://www.freebsd.org/doc/en_US.ISO_8859-1/books/handbook/serialcon
>>  sole-setup.html> 
>>
>>  It's easy, and I strongly recommend it for remote FreeBSD machines,
>>  assuming you can get at least _some_ other hardware colocated.  For
>>  instance, you can get a terminal server: a little black box which
>>  converts a number of serial lines into TCP/IP connections.  That
>>  lets you drive serial console for a number of boxes at once,
>>  without having to remember that console on foo is cuaa0 on bar,
>>  etc. I have used a 16-port "Digiboard Portserver" (now gathering
>>  dust) for this purpose in the past.
>>
>>  It goes without saying that you should choose good-quality kit for
>>  remote located machines.  For instance, don't use anything which
>>  doesn't come up reliably first time from a power cycle.
>>
>>  Nick B
>>
>>  > From: Nick Barnes <Nick.Barnes@pobox.com>
>>  > To: "stable@freebsd.org" <stable@FreeBSD.ORG>
>>  > Subject: Re: Running Stable on remote production server
>>  > Date: Mon, 14 May 2001 09:48:46 +0100
>>  > Message-ID: <12552.989830126@thrush.ravenbrook.com>
>>  >
>>  > If you have more than one machine at the same remote site, then I
>>  > recommend setting up each as the serial console for the other.
>>  > That way you can go single-user, drive fsck, etc etc.
>>  >
>>  > Nick B
>>  >
>>  > At 2001-05-13 20:36:40+0000, Juha Saarinen writes:
>>  > > On Sun, 13 May 2001, Mike Smith wrote:
>>  > >
>>  > > > It's entirely unnecessary to go single-user when updating a
>>  > > > machine; just rebuild the world, optionally run mergemaster,
>>  > > > and reboot.
>>  > > >
>>  > > > Exceptions to this rule do occur, but they're *extremely*
>>  > > > rare.
>>  > >
>>  > > Having rebuilt a number of machines remotely in the last couple
>>  > > of weeks, I have to concur...
>>  > >
>>  > > The most important thing is to pay attention to mergemaster,
>>  > > PLUS doing a final check of vital rc and other conf files in
>>  > > /etc BEFORE rebooting. 
>>  > >
>>  > > On one site I had the local "admin" unplug the network cable
>>  > > after the box was shifted into the server room -- I was trying
>>  > > to figure out what I had done wrong until it occured to me to
>>  > > ask if the system was connected to the LAN. His answer was
>>  > > priceless... "why do you have to have a network connection?
>>  > > Can't you get at the box remotely?" ;-D
>>  > >
>>  > > --
>>  > > Regards,
>>  > >
>>  > >
>>  > > Juha
>>  > >
>>  > > PGP fingerprint:
>>  > > B7E1 CC52 5FCA 9756 B502  10C8 4CD8 B066 12F3 9544
>>  > >
>>  > >
>>  > > To Unsubscribe: send mail to majordomo@FreeBSD.org
>>  > > with "unsubscribe freebsd-stable" in the body of the message
>>  > >
>>  > >
>>  >
>>  > To Unsubscribe: send mail to majordomo@FreeBSD.org
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>>
>>  To Unsubscribe: send mail to majordomo@FreeBSD.org
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>
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>
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-- 
-- Doug

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