Debian 12 书呆子发布，求教从Debian 11无损升级的办法？

goldharp

cat > /etc/apt/sources.list << EOF
deb http://deb.debian.org/debian bookworm main non-free-firmware
deb-src http://deb.debian.org/debian bookworm main non-free-firmware

deb http://deb.debian.org/debian-security/ bookworm-security main non-free-firmware
deb-src http://deb.debian.org/debian-security/ bookworm-security main non-free-firmware

deb http://deb.debian.org/debian bookworm-updates main non-free-firmware
deb-src http://deb.debian.org/debian bookworm-updates main non-free-firmware
EOF

apt update -y && apt upgrade -y && apt -y dist-upgrade
apt autoclean && apt autoremove -y