[ltp] exiting single user mode

[Richard Neill]

Mario Butter wrote:
> If you wanted to reboot, why didn't you just issue the command "reboot now"?
> 
> On Thu, Mar 6, 2008 at 6:52 AM, Haines Brown <brownh@hartford-hwp.com> wrote:
>> I'm running sidux on a Thinkpad X61s.
>>
>>  I entered single user mode in order to change root's password. That
>>  involved:
>>
>>         sh3.1# mount -o remount,rw /
>>
>>  in order to get access to the passwd command. I changed the password,
>>  and then go to exit the single user mode. And here's my question.
>>
>>  It is my understanding that you ummount / if you intend to continue
>>  the boot, but not if you are going to shut down. Is this correct?
>>

No. Other way round.


>>  It seems that in the past I issued the command
>>
>>         sh3.1# exit
>>
>>  to exit single user mode, but now this results in
>>
>>         exit
>>         Kernel panic - not syncing: Attempted to kill init!
>>
>>  (I'm not un-mounting because my aim is to reboot).
>>
>>  My first question is: What command am I missing that would have
>>  avoided this sync problem? I assume not sh3.1$ sync;sync .
>>
>>  Second question. It seems to me that when I used to get a kernel panic
>>  I could initiate a reboot with the three finger salute (C-M-Del), but
>>  that's not working on my Thinkpad. I'm forced a pull the power. Is
>>  there a way to force a shutdown without pulling the plug/battery?
>>  Power switch has no effect.


Either, use SysRQ (see http://en.wikipedia.org/wiki/Magic_SysRq_key )

or press and hold the power button for > 5 seconds.

Richard