root@dlp:~# vi /etc/apt/sources.list
# 各行に [contrib], [non-free] を追加
deb http://deb.debian.org/debian/ bookworm main non-free-firmware contrib non-free
deb http://security.debian.org/debian-security bookworm-security main non-free-firmware contrib non-free
deb http://deb.debian.org/debian/ bookworm-updates main non-free-firmware contrib non-free
deb http://deb.debian.org/debian/ bookworm-backports main non-free-firmware contrib non-free
-- [nouveau] ドライバーは無効化される --
root@dlp:~# cat /etc/modprobe.d/nvidia-blacklists-nouveau.con
# You need to run "update-initramfs -u" after editing this file.
# see #580894
blacklist nouveau
root@dlp:~# update-initramfs -u
root@dlp:~# update-grub
update-initramfs と update-grub は 今回に限れば、おまじないみたいなもの。