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Modules in the Linux Kernel

 
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Luke Robertson

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Since: Nov 23, 2004
Posts: 6



(Msg. 1) Posted: Mon Nov 22, 2004 9:07 pm
Post subject: Modules in the Linux Kernel
Archived from groups: comp>os>linux>setup (more info?)

Hi,

I am using RedHat 9, and I am using the default kernel settings (ie, I
haven't rebuilt the kernel myself).
I would like to know if I have the QOS modules ( CONFIG_NET_SCH_CBQ,
CONFIG_NET_CLS_FW) installed or not.

Is there any way to find this out (to save me rebuilding the kernel
when I may not have to)?

Also, when rebuilding a kernel (you can tell I am new to kernel
stuff), what it the difference between installing a component, and
modularizing it? (ie, having a '*' or an 'M' next to the component).


Thankyou all for your help.
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mjt

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Since: Aug 28, 2004
Posts: 537



(Msg. 2) Posted: Tue Nov 23, 2004 12:19 am
Post subject: Re: Modules in the Linux Kernel [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Luke Robertson wrote:

> I am using RedHat 9, and I am using the default kernel settings (ie, I
> haven't rebuilt the kernel myself).
> I would like to know if I have the QOS modules ( CONFIG_NET_SCH_CBQ,
> CONFIG_NET_CLS_FW) installed or not.

.... why?

> Also, when rebuilding a kernel (you can tell I am new to kernel
> stuff), what it the difference between installing a component, and
> modularizing it? (ie, having a '*' or an 'M' next to the component)

the diff is whether the component is static
to the kernel or is a module. the static
option embeds the component in the kernel,
the other is a separate module that is loaded
on demand.
--
<< http://michaeljtobler.homelinux.com/ >>
"All snakes who wish to remain in Ireland will
please raise their right hands." - Saint Patrick
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Lenard

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Since: Jul 28, 2003
Posts: 397



(Msg. 3) Posted: Tue Nov 23, 2004 5:29 am
Post subject: Re: Modules in the Linux Kernel [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Tue, 23 Nov 2004 03:07:08 -0800, Luke Robertson wrote:

> Hi,
>
> I am using RedHat 9, and I am using the default kernel settings (ie, I
> haven't rebuilt the kernel myself).
> I would like to know if I have the QOS modules ( CONFIG_NET_SCH_CBQ,
> CONFIG_NET_CLS_FW) installed or not.
>
> Is there any way to find this out (to save me rebuilding the kernel when
> I may not have to)?

Have a look at the /boot/config-<kernel version number> file

> Also, when rebuilding a kernel (you can tell I am new to kernel stuff),
> what it the difference between installing a component, and modularizing
> it? (ie, having a '*' or an 'M' next to the component).

Read the documentation here (both places) but pay attention to the Red Hat
Link for 'make install'.

http://www.redhat.com/docs/manuals/linux/RHL-9-Manual/custom-guide/ch-...tom-ker

http://www.digitalhermit.com/linux/Kernel-Build-HOWTO.html


--
"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety." -- B. Franklin, 1759
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Luke Robertson

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Since: Nov 23, 2004
Posts: 6



(Msg. 4) Posted: Tue Nov 23, 2004 5:42 am
Post subject: Re: Modules in the Linux Kernel [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

mjt <mjtobler.TakeThisOut@removethis_mail.ru> wrote in message news:<30go9gF2vrhmvU1.TakeThisOut@uni-berlin.de>...
> Luke Robertson wrote:
>
> > I am using RedHat 9, and I am using the default kernel settings (ie, I
> > haven't rebuilt the kernel myself).
> > I would like to know if I have the QOS modules ( CONFIG_NET_SCH_CBQ,
> > CONFIG_NET_CLS_FW) installed or not.
>
> ... why?
>
> > Also, when rebuilding a kernel (you can tell I am new to kernel
> > stuff), what it the difference between installing a component, and
> > modularizing it? (ie, having a '*' or an 'M' next to the component)
>
> the diff is whether the component is static
> to the kernel or is a module. the static
> option embeds the component in the kernel,
> the other is a separate module that is loaded
> on demand.

I need QOS so I can do some traffic shaping with tc, qdisc, and iptables.

I will also check out those links. Thanks.
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