Date: Sat, 25 Mar 2006 22:06:58 +0300 From: "Andrew Pantyukhin" <infofarmer@gmail.com> To: Chris <chrcoluk@gmail.com> Cc: Eric Schultz <eric@schultznet.ca>, Chris Maness <chris@chrismaness.com>, freebsd-questions@freebsd.org, Kris Kennaway <kris@obsecurity.org> Subject: Re: Remote Single User Mode? Message-ID: <cb5206420603251106o61e6bee5uc4e887b059e78ea8@mail.gmail.com> In-Reply-To: <3aaaa3a0603240521w7fdb80c4h@mail.gmail.com> References: <44219364.1070201@chrismaness.com> <20060322183001.GA23540@xor.obsecurity.org> <4422B530.6090805@schultznet.ca> <4422C8A1.5010601@chrismaness.com> <3aaaa3a0603240521w7fdb80c4h@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On 3/24/06, Chris <chrcoluk@gmail.com> wrote: > On 23/03/06, Chris Maness <chris@chrismaness.com> wrote: > > Eric Schultz wrote: > > > Kris Kennaway wrote: > > >> On Wed, Mar 22, 2006 at 10:11:48AM -0800, Chris Maness wrote: > > >>> I administer this box by remote. > > >> > > >> Look into setting up a serial console; this is the "remote single us= er > > >> mode" you're looking for. > > >> > > > Good morning... > > > > > > How remote is "remote"? > > > > > > If it's just down the hall you can probably get a DB25/DB9 (depending > > > on the machine) to RJ45 adapter and use existing CAT5 cable to get to > > > a serial console to your desk. There even exist serial RJ45 switch > > > boxes if you have several machines to "remote" administer. > > > > > > If it's farther than that, like in another building/city/etc. you can > > > always setup a modem on the box's serial port and dial in to that. > > > You'll need a modem at your end too, which means either an analog lin= e > > > or a analog-to-digital tap for your office phone. > > > > > > I have no idea whether there any serial-over-IP solutions. But you > > > could build one with FreeBSD!!! > > > > > I have a slave name server at the same location. Maybe I can run a > > serial cable with a crosover between the two of them. > > _______________________________________________ > > I think the docs are just playing safe, I admin over 10 servers and > have remote updated each one at least once, I have never had any > problems doing all this in multi user mode. > > make buildworld > make buildkernel > make installkernel > reboot > mergemaster -p > make installworld > mergemaster -iv > reboot > > Chris 5.4 =3D> 6.0 upgrade caused some problems on a box under high load until I used a serial console and did everything by the book.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?cb5206420603251106o61e6bee5uc4e887b059e78ea8>