一键DD& 更新系统

一键DD ubuntu & debian

# 安装 Ubuntu 24.04 Minimal
curl -O https://raw.githubusercontent.com/bin456789/reinstall/main/reinstall.sh
bash reinstall.sh ubuntu 24.04 --minimal

# 安装 Debian 12 (Bookworm) 纯净云镜像
bash reinstall.sh debian 12 --ci

一键更新&设置自动安全更新/BBR

bash -c "$(cat <<'EOF'
#!/bin/bash
# 确保在任何命令失败时立即停止脚本
set -e

# --- 1. 更新系统 ---
echo ">>> [1/4] Updating package lists and upgrading system..."
apt-get update
apt-get upgrade -y

# --- 2. 安装所有必需的软件包 ---
echo ">>> [2/4] Installing essential packages (sudo, ufw, git, etc.)..."
apt-get install -y sudo unattended-upgrades screen curl wget ufw git unzip tar

# --- 3. 配置自动安全更新 ---
echo ">>> [3/4] Configuring automatic security updates..."
# 使用 -plow 参数进行非交互式配置，自动选择默认选项
dpkg-reconfigure -plow unattended-upgrades

# --- 4. 启用 BBR ---
echo ">>> [4/4] Enabling BBR congestion control..."
# 检查以避免重复添加
grep -qxF 'net.core.default_qdisc=fq' /etc/sysctl.conf || echo 'net.core.default_qdisc=fq' >> /etc/sysctl.conf
grep -qxF 'net.ipv4.tcp_congestion_control=bbr' /etc/sysctl.conf || echo 'net.ipv4.tcp_congestion_control=bbr' >> /etc/sysctl.conf

# 应用内核设置
sysctl -p

echo "-----------------------------------------------------"
echo "✅ All tasks completed successfully!"
echo "System is updated, secured, and BBR is enabled."
echo "-----------------------------------------------------"
EOF
)"