Remote Single User Mode?

[Chris]

On 23/03/06, Chris Maness <chris at 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 user
> >> 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 line
> > 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