Periodically monitor all server ports, if suspended, send alert messages

function: 1:ping IP address of all in-network machine, if not, send alarm

2: Detect the service port of all machines in the network, if not, send alarm

#!/bin/bash

# #读取IP列表, test a port for IP # #

While Read ip1
Do

Ping-c 2 $ip 1 >>/dev/null 2>&1
If [$?-eq 0]; Then

echo "************************"
echo "Ping $ip 1, OK"

Else
echo "************************"
echo "Ping $ip 1,error,please Check"

Fi

Ipnum= ' echo $ip 1 |awk-f '. ' ' {Print $4} '

ECHO-E---------------------$ipnum

When #ip =238, prot 1521 8089#
When #ip =239, port 8081 80#

Case $ipnum in
238)
For Port1 in 1521 8089
Do
Nc-vv-w1-z $ip 1 $port 1 >>/dev/null 2>&1

If [$?-eq 0];then
echo "$ip 1 $port 1 OK" >>/dev/null 2>&1

Else
echo "$ip 1 $port 1 err,please Check" | Mail-s "Dg-server" [email protected]
Fi
Done
;;
239)
For Port2 in 80 8081
Do
Nc-vv-w1-z $ip 1 $port 2 >>/dev/null 2>&1

If [$?-eq 0];then
echo "$ip 1 $port 2 OK" >>/dev/null

Else
echo "************************"
echo "$ip 1 $port 2 err,please Check"
Fi
Done

;;
Esac

Done<iplist

echo "192.168.16.238\n192.168.16.239" >iplist

Periodically monitor all server ports, if suspended, send alert messages