Thanks for the Virus.

[Paul Lemmons]

-------- Original Message  --------
Subject: Re:Thanks for the Virus.
From: Jonas Norlander <jonorland at gmail.com>
To: Kubuntu Help and User Discussions <kubuntu-users at lists.ubuntu.com>
Date: 03/18/2009 09:49 AM
> 2009/3/18 Kaj Haulrich <kaj at haulrich.net>:
>   
>> On Wednesday 18 March 2009 16:51:26 Jonas Norlander wrote:
>>     
>>> 2009/3/18 Nils Kassube <kassube at gmx.net>:
>>>       
>>>> Dotan Cohen wrote:
>>>>         
>>>>> if someone of my
>>>>> apparent above-average skill level cannot reset the X server
>>>>> without C-A-B, then what is the casual user to do? Serious
>>>>> question.
>>>>>           
>>>> Reboot. Seriously, what is wrong with that approach? If you
>>>> don't know a better way to get back to a usable machine, IMHO
>>>> rebooting isn't that bad. If you use C-A-B you lose unsaved
>>>> data of applications still running. If you reboot you lose
>>>> unsaved data of applications still running.
>>>>         
>>> I was thinking on that.
>>> My guess is that a C-A-B will send a SIGKILL to the X-server and
>>> it will kill all it's children making you loose everything thats
>>> not saved and leaving damaged files. Rebooting is sending a
>>> SIGTERM (and later SIGKILL) to all processes still running and
>>> depending on the program it still got a change to save data and
>>> close files, It will not save your OpenOffice documents but other
>>> data like config files have a change to shut down more graceful.
>>> Any know how X and KDE will handle a reboot from CLI? Is it safer
>>> then C-A-B?
>>>       
>> An even safer method - if everything locks up - is to use the
>> "elephant sequence" - assuming the keyboard is still functioning.
>>
>>     
>
> I did a quick google search on "elephant sequence" and not much turned
> up but some disney movie and some old mails from you. Do you mean the
> SysRq keyboard shortcuts?
> Thats probably the best way if you cant get a console, but it have
> some drawbacks, like it want run any shutdown scripts. So if one still
> can access a console and run commands i think the safest method is to
> run reboot/shutdown.
>
> / Jonas
>
>   
I think this is what is being referenced...

http://en.wikipedia.org/wiki/Magic_SysRq_key#.22Raising_Elephants.22_mnemonic_device

-- 
Sometimes I wonder.  Were our faith able to stand upright and look around, would it be looking down at the mustard seed or standing in awe of the height and breadth of it.

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