[aclug-L] Re: An idea -- any volunteers/helpers?

["Dale W Hodge" <dwh@xxxxxxxxxxxxxxxx>]

> -----Original Message-----
> From: discussion-bounce@xxxxxxxxx [mailto:discussion-bounce@xxxxxxxxx]On
> Behalf Of Anne McCadden
> Sent: Thursday, February 21, 2002 8:02 PM
>
> I have linux servers also and I probably have unneeded services
> running.  I know that to shut these off is in rc.d, but it has been a
> while since I have worked with this.  I certainly don't want to shutdown
> services that I am using, I just want to streamline the services.  ~Anne
>
> Luke Wahlmeier wrote:
> >
> > I would love to recomple-edit the kernel, i have read all about it, and
> > understand the steps very well, but the linux computers that i have are all
> > servers, and i can aford to spend time on them if i do something wrong my
> > 1st time.  Once i learn how to and get comfertable doing it i would do it on
> > the servers to help speen them up by taking all the unneeded process out of
> > it.  If anyone is going to be doing this soon I would love to learn.

Recompiling the kernel has ZERO effect on running processes. The most common
reason for recompiling is to gain some new feature or hardware support offered
by a later kernel revision.  The kernels that are shipped with modern
distribuitons have 'hooks' built in to support modules for a wide array of
devices.  It is possible to reduce the base 'footprint in ram' of the kernel by
only building in the 'hooks' that are needed to support your exact hardware.
However, if you should later change hardware, you will need to recompile the
kernel to support the new hardware. It is also possible to optimize the kernel
code for your particular model of processor, but the same caveats apply.

--dwh

---
Dale W Hodge - dwh@xxxxxxxxxxxxxxxx
Secretary - info@xxxxxxxxx
Air Capital Linux User's Group  (ACLUG)
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