On my local bare metal groovy install I tested upgrading to the new grub binaries from groovy-proposed and after a reboot my machine successfully booted - I have tried to generalise the instructions for doing this so they can be used on any release:
# enable use of -proposed as per https://wiki.ubuntu.com/Testing/EnableProposed cat <<EOF | sudo tee /etc/apt/sources.list.d/ubuntu-$(lsb_release -cs)-proposed.list # Enable Ubuntu proposed archive deb http://archive.ubuntu.com/ubuntu/ $(lsb_release -cs)-proposed restricted main multiverse universe EOF # only selectively upgrade from -proposed cat <<EOF | sudo tee /etc/apt/preferences.d/proposed-updates # Configure apt to allow selective installs of packages from proposed Package: * Pin: release a=$(lsb_release -cs)-proposed Pin-Priority: 400 EOF # get list of packages in -proposed sudo apt update # update standard grub2 packages from -proposed sudo apt install \ grub-efi-amd64-bin/"$(lsb_release -cs)"-proposed \ grub-efi-amd64-signed/"$(lsb_release -cs)"-proposed \ grub2-common/"$(lsb_release -cs)"-proposed \ grub-pc/"$(lsb_release -cs)"-proposed \ grub-pc-bin/"$(lsb_release -cs)"-proposed \ grub-common/"$(lsb_release -cs)"-proposed sudo reboot -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1917509 Title: Call for testing: grub2 security updates To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1917509/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
