Re: [gentoo-user] alternative kernels

["Canek Peláez Valdés" <caneko@gmail.com>]

On Sun, Oct 26, 2014 at 1:41 PM, Canek Peláez Valdés <caneko@gmail.com> wrote:
> On Sun, Oct 26, 2014 at 2:33 PM, Giuseppe Pappalardo
> <me@giuseppepappalardo.eu> wrote:
>> On 10/26/2014 08:23 PM, Canek Peláez Valdés wrote:
>>>
>>>
>>> As to how do I maintain them, I wrote a little utility that I've been
>>> using from the last year or so:
>>>
>>> https://github.com/canek-pelaez/kerninst
>>>
>>> With it, after I install a new kernel using the normal portage
>>> procedure, I just do:
>>>
>>> eselect kernel set <new-version>
>>> kerninst
>>>
>>> And that's it. Be aware that you need to provide your own kernel configuration.
>>>
>>> Regards.
>>>
>> How does this differs from just enabling the "symlink" USE flag in
>> vanilla-sources?
>
> AFAIU, the symlink USE flag just updates the /usr/src/linux link
> automatically at install time (although I have never used it).
>
> kerninst configures (using a user-provided .config file), compiles,
> and installs the kernel in the correct location (/boot if using GRUB2,
> a more complex location if using Gummiboot), and then it updates the
> configuration of the boot manager (either GRUB2 or Gummiboot).

Oh, I forgot; it also generates an initramfs for it with dracut. This
is important: kerninst assumes you use an initramfs, and that you use
dracut to create it. Also, it assumes you already configured
dracut.conf.

Regards.
-- 
Canek Peláez Valdés
Profesor de asignatura, Facultad de Ciencias
Universidad Nacional Autónoma de México