Shell scripts to monitor CPU, memory, and hard disk utilization

#!/bin/bash

#createdate: 2016-11-15

Date= ' date+%f ' "%h:%m"

ip= ' Ifconfigeth0 | awk '/inet addr/{print $} ' | Cut-d:-f2

`

Echo-e "\033[032mdate: $Date \nhost: $IP \n\033[0m"

echo-----------------CPU----------------

Cpu_us= ' Vmstat|awk ' {print $13} ' |sed-n ' $p '

Cpu_sy= ' Vmstat|awk ' {print $14} ' |sed-n ' $p '

Cpu_id= ' Vmstat|awk ' {print $} ' |sed-n ' $p '

Cpu_wa= ' Vmstat|awk ' {print $16} ' |sed-n ' $p '

cpu_sum=$ (($cpu _us+ $cpu _sy))

Cpu_info ()

{

Echo-e "\033[032mcpu_sum: $cpu _sum% (cpu_use:${cpu_us}%,cpu_system:${cpu_sy}%) \033[0m"

Echo-e "\033[032mcpu_idle:${cpu_id}\033[0m"

Echo-e "\033[032mcpu_wait:${cpu_wa}\033[0m"

}

Cpu_info;

If [$cpu _sum-ge];then

echo "CPU Utilization$cpu_sum" |mail-s "CPU Monitor" xxxxx.com

Fi

echo-----------------Mem-----------------

#Date = ' date+%f ' "%h:%m '

#IP = ' Ifconfigeth0 | awk '/inet addr/{print $} ' | cut-d:-f2 '

Total= ' Free-m |grep Mem | awk ' {print $} '

Use= ' Free-m|awk '/buffers\//{print $NF} '

free=$ (($Total-$Use))

#Total_cony = ' Echo-e | awk ' {print '} '

Echo-e "\033[032mtotal: ${total}m \nuse: ${use}m \nfree: ${free}m\033[0m"

echo-----------------IO------------------

Total= ' fdisk-l| grep "disk/dev/sd[a-z]" |awk ' {print $1$2$3 "GB"} '

Disk_use= ' Df-h|awk ' {print $ "=" $ $} ' | Sed ' 1d ' | Sed ' s/%/%/g '

Echo-e "\033[032mtotal: $Total \n$disk_use\n\033[0m"

：

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There are shortcomings please put forward, thank you!!

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Shell scripts to monitor CPU, memory, and hard disk utilization