On 2018-04-14, francis.montag...@inria.fr <francis.montag...@inria.fr> wrote:
> On Fri, 13 Apr 2018 21:03:34 -0000 Grant Edwards wrote:
>> First create a file named /etc/dracut.conf.d/foo containing the line
>> omit_drivers+="foo".  Then either
> Bexware, this file should have .conf as suffix.

Ah yes, thanks for pointing that out.

>> 1. Rebuild the initramfs with the 'dracut' command.  I haven't tested
>>    this yet. It seems a bit risky [...]

> You can simply execute the postrans of the kernel-core RPM
>     rpm -q --scripts kernel-core-$(uname -r)
>     ...
>     posttrans scriptlet (using /bin/sh):
>     /bin/kernel-install add 4.15.4-300.fc27.x86_64 
> /lib/modules/4.15.4-300.fc27.x86_64/vmlinuz || exit $?
> Thus, for the running kernel:
>     /bin/kernel-install add $(uname -r) /lib/$(uname -r)/vmlinuz
> It will regenerate the initramfs and eventually other things like the
> grub.cfg.
> I tested to add a /etc/dracut.conf.d/test.conf to omit a driver. It
> works: the driver is no more in the initramfs.

Thanks!  That looks like a good option.  I may prompt the user for
confirmation before doing that step in my driver install script -- how
likely is it that the admin has done something manually which that
script will undo? [It's been a long time since I ran RedHat much. I
think RedHat 8.0 was the last version I used regularly.]


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