安装ddns

# 备份原有源文件
cp /etc/apt/sources.list /etc/apt/sources.list.bak

# 替换为阿里云源
cat > /etc/apt/sources.list << ‘EOF’
deb https://mirrors.aliyun.com/debian/ bookworm main non-free non-free-firmware contrib
deb-src https://mirrors.aliyun.com/debian/ bookworm main non-free non-free-firmware contrib
deb https://mirrors.aliyun.com/debian-security/ bookworm-security main
deb-src https://mirrors.aliyun.com/debian-security/ bookworm-security main
deb https://mirrors.aliyun.com/debian/ bookworm-updates main non-free non-free-firmware contrib
deb-src https://mirrors.aliyun.com/debian/ bookworm-updates main non-free non-free-firmware contrib
EOF

# 更新软件包列表
apt update