#!/bin/bash

echo "=== 系统信息 ==="
echo "主机名: $(hostname)"
echo "系统版本: $(cat /etc/os-release | grep PRETTY_NAME | cut -d'"' -f2)"
echo "内核版本: $(uname -r)"
echo "运行时间: $(uptime -p)"

echo -e "\n=== CPU信息 ==="
echo "CPU型号: $(lscpu | grep "Model name" | cut -d':' -f2 | xargs)"
echo "物理CPU数: $(lscpu | grep "Socket(s)" | cut -d':' -f2 | xargs)"
echo "核心总数: $(lscpu | grep "^CPU(s):" | cut -d':' -f2 | xargs)"

echo -e "\n=== 内存信息 ==="
free -h | head -2

echo -e "\n=== 磁盘信息 ==="
df -h | grep -E "(^Filesystem|^/dev/)"

echo -e "\n=== 当前负载 ==="
w | head -1