shell案例（7）：监控服务器的参数

• 脚本基本要求

1 要去显示出系统（OS）版本号？
2 要求显示出有几块硬盘以及每块硬盘的总容量大小？
3 要求显示出内存当前内存总数、使用率、剩余多少？
4 要求显出物理cpu个数，cpu核心数量？
5 要求显示物理机器的型号？

#!/bin/bash
#author:zhiping.wang

#===========================
#set the golabl variable
#===========================
#set system version
system_version =`cat /etc/redhat-release | awk '{print $1 " " $3}'`

#set system Disk info
System_Disk=`fdisk -l | grep "Disk" | grep s$ | awk '{print $2 $3 $4}'| sed -e 's/:/=/g'| sed -e 's/,//g'`

#set system Mem info
System_Mem=`free -m| sed -n '2p'| awk '{print "Mem""\n""Total:"$2,"\n""Used:"$3,"\n""Free:"$4}'`

#set System cpu info
System_cpu=` cat /proc/cpuinfo | grep "physical id"| sort | uniq -c | sort -nr`

#set System machine info
System_machine=`dmidecode | grep "Product Name"| sed -n '1p'| sed -n 's/[\t]//p'`

#===============================
#Check_System_info() 
#===============================
Check_System_info()
{
        echo "===================system_info======================"
        echo "OS:$system_version"
        echo "Disk:$System_Disk"
        echo "$System_Mem"
        echo "$System_cpu"
        echo "$System_machine"
        echo "===================system_info======================"
}
Check_System_info;