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#!/bin/bash
cpu_usage=$(top -bn1 | grep "Cpu(s)" | awk '{print $2 + $4}')
echo "Ä¿½ñCPUʹÓÃÂÊ£º${cpu_usage}%"
if [[ $(bc <<< "${cpu_usage} > 80") -eq 1 ]]; then
 echo "ÖÒÑÔ£ºÄ¿½ñCPUʹÓÃÂʹý¸ß£¡"
fi

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#!/bin/bash
total_memory=$(free -m | awk '/Mem:/{print $2}')
used_memory=$(free -m | awk '/Mem:/{print $3}')
memory_usage=$(bc <<< "scale=2;${used_memory}/${total_memory}*100")
echo "Ä¿½ñÄÚ´æʹÓÃÂÊ£º${memory_usage}%"
if [[ $(bc <<< "${memory_usage} > 80") -eq 1 ]]; then
 echo "ÖÒÑÔ£ºÄ¿½ñÄÚ´æʹÓÃÂʹý¸ß£¡"
fi

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#!/bin/bash
disk_usage=$(df -h | awk '//$/{print $(NF-1)}' | sed 's/%//')
echo "Ä¿½ñ´ÅÅÌʹÓÃÂÊ£º${disk_usage}%"
if [[ ${disk_usage} -gt 80 ]]; then
 echo "ÖÒÑÔ£ºÄ¿½ñ´ÅÅÌʹÓÃÂʹý¸ß£¡"
fi

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