Debian 升级

一，Debian 9 升 10

国内

cat << EOF >/etc/apt/sources.list
deb http://mirrors.aliyun.com/debian buster main contrib non-free
deb http://mirrors.aliyun.com/debian buster-updates main contrib non-free
deb http://mirrors.aliyun.com/debian-security buster/updates main contrib non-free
EOF

国外

cat << EOF >/etc/apt/sources.list
deb http://deb.debian.org/debian buster main contrib non-free
deb http://deb.debian.org/debian buster-updates main contrib non-free
deb http://deb.debian.org/debian-security buster/updates main contrib non-free
EOF

sed -i "s/ stretch / buster /g" /etc/apt/sources.list.d/*
apt update --fix-missing && apt upgrade -y
apt full-upgrade -y && apt --purge autoremove -y && apt autoclean -y

二，Debian 10 升 11

国内

cat << EOF >/etc/apt/sources.list
deb http://mirrors.aliyun.com/debian bullseye main contrib non-free
deb http://mirrors.aliyun.com/debian bullseye-updates main contrib non-free
deb http://mirrors.aliyun.com/debian bullseye-backports main contrib non-free
deb http://mirrors.aliyun.com/debian-security bullseye-security main contrib non-free
EOF

国外

cat << EOF >/etc/apt/sources.list
deb http://deb.debian.org/debian bullseye main contrib non-free
deb http://deb.debian.org/debian bullseye-updates main contrib non-free
deb http://deb.debian.org/debian bullseye-backports main contrib non-free
deb http://deb.debian.org/debian-security bullseye-security main contrib non-free
EOF

sed -i "s/ buster / bullseye /g" /etc/apt/sources.list.d/*
apt update --fix-missing && apt upgrade -y
apt full-upgrade -y && apt --purge autoremove -y && apt autoclean -y

三，重启查看当前系统版本

reboot

cat /etc/debian_version