링크
wget https://deb.debian.org/debian/dists/trixie/main/installer-amd64/current/images/netboot/debian-installer/amd64/linux -- wget https://deb.debian.org/debian/dists/trixie/main/installer-amd64/current/images/netboot/debian-installer/amd64/initrd.gz -- ls -lh ~/debian-installer sudo cp /etc/default/grub /etc/default/grub.backup sudo cp -a /etc/grub.d /etc/grub.d.backup sudo cp ~/debian-installer/linux /boot/debian-linux sudo cp ~/debian-installer/initrd.gz /boot/debian-initrd.gz ls -lh /boot/debian-*