copy installation from vm to bare metal -> kernel modules are missing

[Tom H]

On Thu, Jul 17, 2014 at 5:15 PM, Robert Heller <heller at deepsoft.com> wrote:
> At Thu, 17 Jul 2014 22:45:52 +0200 "Ubuntu user technical support,  not for general discussions" <ubuntu-users at lists.ubuntu.com> wrote:
>>
>> I've copied a VirtualBox VM to a physical machine with rsync.
>>
>> The network card is shown in lspci but the realtek driver isn't loaded.
>> Only about a third of the kernel modules which are loaded on the same
>> machine when installing lubuntu from a cd-rom are used.
>>
>> Do I have to adjust some udev rules? Where are the kernel modules loaded?
>
> You need to boot with a rescue disk (installer disk) and then re-generate the
> init ramdisk.  The modules needed early in the boot process are loaded into
> the ramdisk with the mkinitrd program (mkinitrd is what I would use with
> CentOS or other RedHat type distros and I am assuming the same for lubuntu).

It's "update-initramfs" (or "mkinitramfs" if you don't want to use the
wrapper) on Ubuntu.

And it's been "dracut" on RHEL since v6 was released.

And [historical note] it was mkinitrd on Debian and Ubuntu when they
used initrds rather than initramfs's.