post-install
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Enabling Intel microcode updates
Microcode must be loaded by the bootloader.
These updates must be enabled by adding /boot/early-ucode.cpio as the *FIRST* initrd in the bootloader config file.
This is in addition to the normal initrd file, if you are using one.
GRUB2
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- Automatic method
grub-mkconfig will automatically detect the microcode update and configure GRUB appropriately.
After installing the intel-ucode package, regenerate the GRUB config to activate loading the microcode update by running:
# grub-mkconfig -o /boot/grub/grub.cfg
- Manual method
Alternatively, manually add /boot/early-ucode.cpio to grub.cfg, so
it looks similar to below:
echo 'Loading Linux 4.15.3 ...'
linux /boot/vmlinuz-4.15.3 root=/dev/sdb1 ro rootfstype=ext4 rootfstype=ext4 quiet
echo 'Loading intel microcode ...'
initrd /boot/early-ucode.cpio $OTHER_INITRD
You'll have to do it for every kernel you have,
so the use of the automagic method is reccomended.
OTHER BOOTLOADERS
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Patches to add them to the README welcome :)
