Linux - Shell script to monitor load on server, Server load monitoring

Shell script to monitor load on server

Shell script for load monitoring
The below script will help you to monitor the load on the server

Save the below code as load.sh
#!/bin/bash

echo Content-type: text/html
echo

echo "<html><title>Server Load Status</title>"
echo "<meta http-equiv="Refresh" content="60"></head>"
echo "<body><font size="1" face="Verdana"><b>"
echo "<table width="100%" border="1" cellpadding="1" cellspacing="1" align="center">"
echo "<tr>"
echo "<th>Server Name</th>"
echo "<th>IP</th>"
echo "<th>Uptime</th>"
echo "<th>Load</th>"
echo "<th>Service Scanned</th>"
echo "</tr>"

##copy load file into cgi-bin folder
##copy loadup.php into the server's default web data directory.

s24=$(GET http://ServerIP/loadup.php)
echo "<tr><td align="center">Domainname OR servername</td>"
echo "<td align="center">67.23.11.48</td>"
echo "<td align="center">"
echo $s24 | cut -d, -f1 | awk -F"up " '{ print $2 }'
echo "</td>"
echo "<td align="center">"
if [ `echo $s24 | awk -F": " '{ print$2 }' | cut -d. -f1` -ge 6 ]
then
        echo "<font color=red>"
        echo $s24 | awk -F": " '{ print$2 }'
        echo "</font>"
else
        echo $s24 | awk -F": " '{ print$2 }'
fi
echo "</td>"
echo "<td align="center">"
#http
if [ $(nmap -p 80 ServerIP | grep 80/ | awk '{ print$2 }') = "open" ]
then
        echo "<font color=green>"
        echo "Http"
        echo "</font>"
else
        echo "<font color=red>"
        echo "Http"
        echo "</font>"

fi
#smtp
if [ $(nmap -p 25 ServerIP | grep 25/ | awk '{ print$2 }') = "open" ]
then
        echo "<font color=green>"
        echo "Smtp"
        echo "</font>"
else
        echo "<font color=red>"
        echo "Smtp"
        echo "</font>"
fi
#mysql
if [ $(nmap -p 3306 ServerIP | grep 3306/ | awk '{ print$2 }') = "open" ]
then
        echo "<font color=green>"
        echo "MySQL"
        echo "</font>"
else
        echo "<font color=red>"
        echo "MySQL"
        echo "</font>"
fi
#ftp
if [ $(nmap -p 21 ServerIP  | grep 21/ | awk '{ print$2 }') = "open" ]
then
        echo "<font color=green>"
        echo "Ftp"
        echo "</font>"
else
        echo "<font color=red>"
        echo "Ftp"
        echo "</font>"
fi

#https

if [ $(nmap -p 443 ServerIP  | grep 443/ | awk '{ print$2 }') = "open" ]

then
        echo "<font color=green>"
        echo "Https"
        echo "</font>"
else
        echo "<font color=red>"
        echo "Https"
        echo "</font>"
fi
#imap
if [ $(nmap -p 110 ServerIP  | grep 110/ | awk '{ print$2 }') = "open" ]

then
        echo "<font color=green>"
        echo "Pop"
        echo "</font>"
else
        echo "<font color=red>"
        echo "Pop"
        echo "</font>"
fi


save below code as loadup.php
#!/bin/bash

echo Content-type: text/plain
echo


echo $(hostname)
echo "=>"
echo $(uptime)


Now execute the load.sh file. This shell script will print the load of your server.

The topic on Linux - Shell script to monitor load on server is posted by - Math

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