[dundee] Taaylug Weekly Articles 16 - OSBC

[arron finnon]

Dude you rock, would you mind if i post this on the site?

On 31/03/2008, Andrew Clayton <andrew at digital-domain.net> wrote:
>
> On Sat, 29 Mar 2008 08:21:28 +0000, Arron M Finnon wrote:
>
> > good call, andrew
> >
> > Not being the most experienced of users and stability being a main
> > issue, as this is the only computer i have and i need to use it for
> > Uni, any chance you could write a howto, to best implement it
> >
> > you can post it on the Linux Society or i'm sure Gordon would be happy
> > to host it too.  Not too worry if you can't it was just an idea, i'm
> > sure loads on here would love to help
>
>
> OK, well, here's the basics.
>
> Find somewhere to do the work (I have /scratch/src/)
> (non git method, tarballs and patches)
>
> Latest versions can be found from www.eu.kernel.org (currently you won't
> see a link for 2.6.26 seeing as there is a 2.6.24.4 patch. But the stable
> tree's are always linux-2.6.x.tar.bz2 from the same location as the
> 2.6.x.y patch).
>
> $ cd /scratch/src
> # Get the current stable kernel
> $ wget http://www.eu.kernel.org/pub/linux/kernel/v2.6/linux-2.6.24.tar.bz2
> # Get the latest rc release
> $ wget
> http://www.eu.kernel.org/pub/linux/kernel/v2.6/testing/patch-2.6.25-rc7.bz2
> # Get the last git snapshot
> $ wget
> http://www.eu.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.25-rc7-git6.bz2
> $ tar -xvjf linux-2.6.24.tar.bz2
> # I normally rename the directory to linux-2.6
> $ mv linux-2.6.24 linux-2.6
> # Apply the rc and git snapshot patches
> $ cd linux-2.6
> $ bzcat ../patch-2.6.25-rc7.bz2 | patch -p1
> $ bzcat ../patch-2.6.25-rc7-git6.bz2 | patch -p1
>
> You should now have a clean 2.6.25-rc7-git6 tree.
>
> If you've never done a kernel configuration before then this could be
> pretty daunting. Fortunately for me I've been doing this since 1.2.x days
> and have kept pace with the increase in options.
>
> Maybe the best advice is to run a make defconfig to get a default kernel
> configuration for your architecture, you can then tweak this with make
> menuconfig or one of the GUI configurators
>
> I don't use modules so for me it's simply bring forward my oldconfig and
> build the kernel
> $ make oldconfig #answering y/n to any questions
> $ make
> $ cp arch/x86/boot/bzImage /boot/vmlinuz-2.6.25-rc7-git6 # I have write
> access to /boot
> $ sudo vi /etc/grub.conf
>
> If your starting from scratch then you may do something like
> $ make defconfig
> # optionally
> $ make menuconfig
>
> # Build kernel and modules
> $ make
>
> # make help for a list of all options.
>
> # As root (unless you setup permissions right)
> # If you have modules
> # make modules_install
>
> # copy the kernel image into /boot
> # cp arch/$ARCH/boot/bzImage /boot/vmlinuz-2.6.25-rc7-git6
>
> # You may need to build an initrd
> # mkinitrd /boot/initrd-2.6.25-rc7-git6 2.6.25-rc7-git6
> # vi /etc/grub.conf
>
> There is a make install option (not tried) that may put the kernel image
> into the right place edit grub.conf and create an initrd.
>
>
> If all that was successful then you want to try another version of the
> kernel. say 2.6.25-rc8 (when it's out)
>
> $ cd /scratch/src
> $ wget
> http://www.eu.kernel.org/pub/linux/kernel/v2.6/testing/patch-2.6.25-rc8.bz2
> $ cd linux-2.6
> $ bzcat ../patch-2.6.25-rc7-git6.bz2 | patch -R -p1
> $ bzcat ../patch-2.6.25-rc7.bz2 | patch -R -p1
> $ bzcat ../patch-2.6.25-rc8.bz2 | patch -p1
> $ make oldconfig
> $ make
> and so on.
>
> I believe there are scripts which will do a lot of this kernel fetching
> and patching for you, ketchup? perhaps.
>
>
>
> Andrew
>
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