Linux System Monitoring shell script and linuxshell script

Linux System Monitoring shell script and linuxshell script

The Code is as follows, which implements some common monitoring variables in Linux and shares them with you @.·.@

#=============================##Filename=system_monitor.sh#Author:foxsir#Date:2016-02-15#=============================##!/bin/shclearif [[ $# -eq 0 ]]then#Define Variable Reset_terminal    Reset_terminal=$(tput sgr0)#Check OS Type    OS=$(uname -o)    echo -e '\E[36m' "Operating System Type :" $Reset_terminal $OS#Check OS Realease Version And Name    OS_name=$(cat /etc/issue | grep "Server")    echo -e '\E[36m' "Operating System Realease Version :" $Reset_terminal $OS_name#Check Architecture    Architecture=$(uname -m)    echo -e '\E[36m' "Operating System Architecture :" $Reset_terminal $Architecture#Check Kernel Realease    Kernel_Realease=$(uname -r)    echo -e '\E[36m' "Operating System Kernel Realease :" $Reset_terminal $Kernel_Realease#Check Hostname    Hostname=$(hostname)    echo -e '\E[36m' "Operating System Hostname :" $Reset_terminal $Hostname#Check Internal IP    Internal_IP=$(hostname -I)    echo -e '\E[36m' "Operating System Internal IP :" $Reset_terminal $Internal_IP#Check External IP    External_IP=$(curl -s http://ipecho.net/plain)    echo -e '\E[36m' "Operating System External IP :" $Reset_terminal $External_IP#Check DNS    DNS=$(cat /etc/resolv.conf | grep "/<nameserver[ ]+"|awk '{print $NF}')    echo -e '\E[36m' "Operating System DNS :" $Reset_terminal $DNS#Check if connected To Internet Or Not    ping -c2 www.baidu.com &>/dev/null && echo -e '\E[36m' "Internet : Connected" || echo '\E[36m' "Internet : Failed"#Check Logged In Users    who > /tmp/who    echo -e '\E[36m' "Operating System Lgged In Users :" $Reset_terminal && cat /tmp/who    rm -f /tmp/who#Check OS Memory Userages    echo -e '\E[36m' "Operating System Memory Userages :" $Reset_terminal $(cat /proc/meminfo | awk '/^MemTotal/{MemTotal=$2}/^MemFree/{MemFree=$2}END {print (MemTotal-MemFree)/1024,"M"}')#Check App  Memory Userages    echo -e '\E[36m' "App Memory Userages :" $Reset_terminal $(cat /proc/meminfo | awk '/^MemTotal/{MemTotal=$2}/^MemFree/{MemFree=$2}/^Buffers/{Buffers=$2}/^Cached/{Cached=$2}END {print (MemTotal-MemFree-Buffers-Cached)/1024,"M"}')#Check OS Loadaverage    echo -e '\E[36m' "Operating System Loadaverage :" $Reset_terminal $(top -n1b | grep "load average" | awk '{print $(NF-2) $(NF-1) $NF}')#Check OS Diskaverage    echo -e '\E[36m' "Operating System Diskaverage :" $Reset_terminal $(df -hP | grep -vE "%%|tmpfs" | awk '{print $1,$5}')#Check OS Runtime    echo -e '\E[36m' "Operating System Runtime :" $Reset_terminal $(top -n1b | grep "load average" | awk -F"[ ,]+" '{print $5}')fi