root@mailx:/usr/local/bin# cat tecmint_monitor.sh

####################################################################################################

# Tecmint_monitor.sh #

# Written for Tecmint.com for the post www.tecmint.com/linux-server-health-monitoring-script/ #

# If any bug, report us in the link below #

# Free to use/edit/distribute the code below by #

# giving proper credit to Tecmint.com and Author #

# #

####################################################################################################

#! /bin/bash

# unset any variable which system may be using

# clear the screen

clear

unset tecreset os architecture kernelrelease internalip externalip nameserver loadaverage

while getopts iv name

do

case $name in

i)iopt=1;;

v)vopt=1;;

*)echo “Invalid arg”;;

esac

done

if ! -z $iopt

then

{

wd=$(pwd)

basename “$(test -L “$0” && readlink “$0” || echo “$0”)” > /tmp/scriptname

scriptname=$(echo -e -n $wd/ && cat /tmp/scriptname)

su -c “cp $scriptname /usr/bin/monitor” root && echo “Congratulations! Script Installed, now run monitor Command” || echo “Installation failed”

}

fi

if ! -z $vopt

then

{

echo -e “tecmint_monitor version 0.1\nDesigned by Tecmint.com\nReleased Under Apache 2.0 License”

}

fi

if -eq 0

then

{

# Define Variable tecreset

tecreset=$(tput sgr0)

# Check if connected to Internet or not

ping -c 1 google.com &> /dev/null && echo -e '\E[32m'“Internet: $tecreset Connected” || echo -e '\E[32m'“Internet: $tecreset Disconnected”

# Check OS Type

os=$(uname -o)

echo -e '\E[32m'“Operating System Type :” $tecreset $os

# Check OS Release Version and Name

cat /etc/os-release | grep 'NAME\|VERSION' | grep -v 'VERSION_ID' | grep -v 'PRETTY_NAME' > /tmp/osrelease

echo -n -e '\E[32m'“OS Name :” $tecreset && cat /tmp/osrelease | grep -v “VERSION” | cut -f2 -d\“

echo -n -e '\E[32m'“OS Version :” $tecreset && cat /tmp/osrelease | grep -v “NAME” | cut -f2 -d\”

# Check Architecture

architecture=$(uname -m)

echo -e '\E[32m'“Architecture :” $tecreset $architecture

# Check Kernel Release

kernelrelease=$(uname -r)

echo -e '\E[32m'“Kernel Release :” $tecreset $kernelrelease

# Check hostname

echo -e '\E[32m'“Hostname :” $tecreset $HOSTNAME

# Check Internal IP

internalip=$(hostname -I)

echo -e '\E[32m'“Internal IP :” $tecreset $internalip

# Check External IP

externalip=$(curl -s ipecho.net/plain;echo)

echo -e '\E[32m'“External IP : $tecreset “$externalip

# Check DNS

nameservers=$(cat /etc/resolv.conf | sed '1 d' | awk '{print $2}')

echo -e '\E[32m'“Name Servers :” $tecreset $nameservers

# Check Logged In Users

who>/tmp/who

echo -e '\E[32m'“Logged In users :” $tecreset && cat /tmp/who

# Check RAM and SWAP Usages

free -h | grep -v + > /tmp/ramcache

echo -e '\E[32m'“Ram Usages :” $tecreset

cat /tmp/ramcache | grep -v “Swap”

echo -e '\E[32m'“Swap Usages :” $tecreset

cat /tmp/ramcache | grep -v “Mem”

# Check Disk Usages

df -h| grep 'Filesystem\|/dev/sda*' > /tmp/diskusage

echo -e '\E[32m'“Disk Usages :” $tecreset

cat /tmp/diskusage

# Check Load Average

loadaverage=$(top -n 1 -b | grep “load average:” | awk '{print $10 $11 $12}')

echo -e '\E[32m'“Load Average :” $tecreset $loadaverage

# Check System Uptime

tecuptime=$(uptime | awk '{print $3,$4}' | cut -f1 -d,)

echo -e '\E[32m'“System Uptime Days/(HH:MM) :” $tecreset $tecuptime

# Unset Variables

unset tecreset os architecture kernelrelease internalip externalip nameserver loadaverage

# Remove Temporary Files

rm /tmp/osrelease /tmp/who /tmp/ramcache /tmp/diskusage

}

fi

shift $¹⁾