Anyone rolling a kernel nowadays?

Basil Chupin blchupin at
Tue Aug 10 05:03:34 UTC 2010

On 10/08/2010 14:56, Ric Moore wrote:
> On Mon, 2010-08-09 at 13:23 -0500, Jordon Bedwell wrote:
>> On Mon, 2010-08-09 at 14:05 -0400, Ric Moore wrote:
>>> On Mon, 2010-08-09 at 12:49 -0500, Jordon Bedwell wrote:
>>>> On Mon, 2010-08-09 at 13:26 -0400, Ric Moore wrote:
>>>>> I hear that, it's just that my AMD64 3200 is starting to get a little
>>>>> long in the tooth (it was Gee Whiz! when I first bought it) so I figured
>>>>> that the speed gains that I got on my 486/DX2-66, back when I rolled
>>>>> kernels routinely, would also pep up this machine. I sure don't need
>>>>> references to Intel or ARM or X-box CPU's taking up kernel real-estate.
>>>>> Besides, it's just for this machine and me. :) Ric
>>>> I think it's only the old folk [not literally old folk] who do that.  I
>>>> know I still roll custom Kernels on all my machines and especially on my
>>>> servers and they're flagged as coming from me so me and clients know
>>>> this is the case. I like and love my upstream providers but they use a
>>>> generic kernel and it makes me a sad panda because I, like you, like a
>>>> clean system, therefore why do I have references for all the crap not in
>>>> my machine that belongs to another machine in their data center?  I've
>>>> even fought with some upstream providers of this, stop saving a few
>>>> gigabytes of space when storage is cheap now when you can cleanup your
>>>> clients systems and build images for specific server sets, alas they
>>>> don't care.  Anyways too much off topic, I know lots including myself
>>>> who always use a custom kernel no matter what.
>>> Is the speed/performance gain noticeable? Thanks, Ric
>> Yes there is a significant amount of overhead removed with custom
>> kernels, especially on servers where we need that overhead removed so
>> that we can utilize the hardware as much as we can.  You can also do
>> some basic optimizations in /etc/sysctl.conf
> Before I hit the reset button... the "hit the button" menu feature to
> grub during boot seems to have gone away. What do I edit to give me some
> time to select another kernel, in case this one blows up?? I'd like to
> be able to pick n chose another kernel from a menu list.<whew!>  I hope
> this works! Ric

Hit the SHIFT key when it is about to boot - this will bring up the boot 
menu where you select your choice of kernel.


If apathy is increasing where does it come from?

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