Mise à jour de debian buster vers bullseye

cat <<EOF> /etc/apt/sources.list
deb http://deb.debian.org/debian bullseye main
deb http://deb.debian.org/debian-security buster/updates main
deb http://deb.debian.org/debian buster-updates main
EOF
sed -i 's/buster/bullseye/' /etc/apt/sources.list.d/*
apt update && apt upgrade -y && apt dist-upgrade -y