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27 lines
854 B
Bash
27 lines
854 B
Bash
#!/bin/bash
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# 定义颜色
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green="\e[1;32m"
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yellow="\e[1;33m"
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re="\033[0m"
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# 设置内存使用率阈值，单位为百分比
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threshold_memory=99
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#获取总内存和已使用内存计算使用率
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total_memory=$(free -m | awk '/^Mem:/{print $2}')
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used_memory=$(free -m | awk '/^Mem:/{print $3}')
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memory_usage=$(echo "scale=2; $used_memory / $total_memory * 100" | bc)
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echo -e "${green}总内存: ${total_memory}MB${re}"
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echo -e "${yellow}已使用内存: ${used_memory}MB${re}"
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echo -e "${yellow}当前内存使用率: ${memory_usage}%${re}"
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# 检查内存使用率是否超过阈值
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if (( $(echo "$memory_usage >= $threshold_memory" | bc -l) )); then
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echo "内存使用率已达到 ${threshold_memory}%, 执行重启操作..."
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shutdown -h now
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else
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echo -e "${green}内存使用率未达到 ${threshold_memory}%, 继续运行...${re}"
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fi
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