Remote Single User Mode?

[Chris Maness]

Chris wrote:
> 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
>
>   
Yep, I went ahead and did it in multi user mode.  No problems.