#!/bin/bash
set -eux

# 备份原来的 sources.list
cp /etc/apt/sources.list /etc/apt/sources.list.bak

# 使用国内源（这里以阿里云为例，你也可以选择其他源）
cat > /etc/apt/sources.list <<EOF
deb http://mirrors.aliyun.com/ubuntu/ noble main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ noble-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ noble-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ noble-backports main restricted universe multiverse
EOF

# 更新系统并安装基础工具
apt-get update
apt-get install -y \
    curl \
    git \
    vim \
    htop \
    tree \
    ca-certificates \
    gnupg \
    lsb-release\
    net-tools\
    lrzsz \
    chrony 


install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://mirrors.aliyun.com/docker-ce/linux/ubuntu/gpg | sudo tee /etc/apt/keyrings/docker.asc > /dev/null
chmod a+r /etc/apt/keyrings/docker.asc

echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://mirrors.aliyun.com/docker-ce/linux/ubuntu \
  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null


apt-get update
apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin


mkdir -p /etc/docker
cat > /etc/docker/daemon.json <<EOF
{
  "registry-mirrors": [
    "https://hub-mirror.c.163.com",
    "https://mirror.baidubce.com",
    "https://registry.docker-cn.com",
    "https://docker.mirrors.ustc.edu.cn"
  ],
  "exec-opts": ["native.cgroupdriver=systemd"]
}
EOF

systemctl enable --now docker
systemctl restart docker
usermod -aG docker ubuntu
docker --version


# 设置为中国时区
timedatectl set-timezone Asia/Shanghai

# 使用阿里云 NTP 源
sed -i '/^pool /d' /etc/chrony/chrony.conf
cat >> /etc/chrony/chrony.conf <<EOF

server 192.168.100.105 iburst
EOF

# 启动并同步时间
systemctl enable --now chrony
sleep 2
chronyc makestep  # 立即强制同步一次

# 查看时间同步状态
timedatectl status
chronyc sources -v

echo "✅ 系统时区和时间已校准完成。"