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Re: My server froze...

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____/ Chris Ahlstrom on Wednesday 09 Sep 2009 14:54 : \____

> After takin' a swig o' grog, Chris Ahlstrom belched out
>   this bit o' wisdom:
> 
>> After takin' a swig o' grog, Peter K??hlmann belched out
>>   this bit o' wisdom:
>>
>>> Ezekiel wrote:
>>>
>>>> "Roy Schestowitz" <newsgroups@xxxxxxxxxxxxxxx> wrote in message
>>>> news:16719657.W3vaeNJFYE@xxxxxxxxxxxxxxxxxx
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>>>>> ...turns out it just had a little hibernation, so it 'froze' for a few
>>>>> seconds.
>>>>>
>>>>> roy@baine:~$ uptime
>>>>> 19:53:21 up 224 days,  8:54,  2 users,  load average: 0.02, 0.03, 0.00
>>>> 
>>>> Hell with those kernel updates and security patches. It's more important
>>>> to impress chrisv and Dumb Willy with your *uptime* number.
>>>
>>> If the service in question is not installed because it is not needed, why
>>> update the kernel?
>>> I always take a look at the reasons a patched kernel is provided (which is
>>> not *that* often). And more often than not I bypass the upgrade because it
>>> patches a bug in parts I don't use
>>
>> Apparently Zeke doesn't know that you can upgrade much of the kernel
>> without rebooting.  What a surprise.
>>
>>    $ man insmod
> 
> Oh, forgot to mention ksplice:
> 
>    http://www.geek.com/articles/chips/ksplice-gives-linux-users-88-of-kernel-updates-without-rebooting-20090716/
> 
>    A recent examination of Linux kernel updates suggests 88% of those which
>    today fall under the "must reboot" category due to the types of
>    programs they affect, could be converted into rebootless forms using
>    Ksplice.
> 
>    . . .
> 
>    Ksplice says the system is disabled for 0.7 milliseconds while the update
>    is applied, which for most types of applications is an acceptable
>    down-time, especially when compared alongside a hard reboot.
> 
>    . . .
> 
>    This technology is only for Linux at the current time. No features like
>    this are available for Windows. The technology does require a kernel
>    patch, as Ksplice itself must be integrated into the kernel. The
>    installation software (.deb package) handles this for you.

And booting 2.6.31 only takes a few seconds (less than half a minute) anyway.

- -- 
		~~ Best of wishes

Roy S. Schestowitz      |    "Disk quota exceeded; sig discontinued"
http://Schestowitz.com  |  GNU is Not UNIX  |     PGP-Key: 0x74572E8E
roy      pts/0        :0               Fri Sep 11 14:10   still logged in   
      http://iuron.com - proposing a non-profit search engine
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