(每天一个脚本)
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#!/bin/bash free=$(free -h | grep "Mem" | awk '{print $4}' | cut -d "." -f 1) if [ -n "$free" ];then if [ $free -le 3 ];then echo "free height $free" | mailx -s "内存过高警告" tuobalongshen@126.com fi fi disk=$(df -h | grep "sda1" | awk '{print $5}' | cut -d "%" -f 1) if [ -n "$disk" ];then if [ $disk -ge 80 ];then echo "disk height $disk" | mailx -s "磁盘使用率警告" tuobalongshen@126.com fi fi cpu=$(top -n 1 | grep "Cpu" | awk 'BEGIN{FS=","}{print $4}' | cut -d "." -f 1) if [ -n "$cpu"];then if [ $cpu -le 30 ];then echo "cpu height $cpu" | mailx -s "CPU使用率警告" tuobalongshen@126.com fi fi |

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