Shell Programming and Scripting

#!/usr/bin/ksh

status=`netstat -na | grep 1200 | grep -i listen |sed -n '1p'| awk {'print $7'}`

status1=`netstat -na | grep 1201 | grep -i listen |sed -n '1p'| awk {'print $7'}`

status2=`netstat -na | grep 1199 | grep -i listen |sed -n '1p'| awk {'print $7'}`

for s1 in $status $status1 $status2

if [ $s1 = "LISTEN" ];

then

echo "RMi Server is running fine on server `hostname` @ `date`"

else

echo "RMI Server is not running fine on server `hostname` @`date`" >>/opt/app/rmiserver.txt

fi

netstat -na| grep 5152 | grep -i listen >/dev/null
status1=`echo $?`
netstat -na | grep 1200 | grep -i listen >/dev/null
status2=`echo $?`
for status in $status1 $status2
do
if [ $status -eq 0 ];then
echo "listening"
else
echo "not listening"
fi
done

for s1 in $status $status1 $status2
do
if [ $s1 = "LISTEN" ];then
echo "RMi Server is running fine on server `hostname` @ `date`"
else
echo "RMI Server is not running fine on server `hostname` @`date`" >>/opt/app/rmiserver.txt
fi
done

Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address               Foreign Address             State      
tcp        0      0 0.0.0.0:1201                0.0.0.0:*                   LISTEN      
tcp        0      0 0.0.0.0:12012               0.0.0.0:*                   LISTEN      
<snip>
Active UNIX domain sockets (servers and established)
Proto RefCnt Flags       Type       State         I-Node Path
unix  2      [ ACC ]     STREAM     LISTENING     12016  /var/run/cups/cups.sock
unix  2      [ ACC ]     STREAM     LISTENING     11201  /var/run/rpcbind.sock
<snip>

   netstat -an | awk '
        BEGIN { p[1199] = 0; p[1200] = 0; p[1201] = 0; }

        $1 != "tcp"    { next; }
        $5 != "LISTEN" { next; }

        $3 == "0.0.0.0:1199" { p[1199]++; }
        $3 == "0.0.0.0:1200" { p[1200]++; }
        $3 == "0.0.0.0:1201" { p[1201]++; }

        END {
            for (i in p) { if (! p[i]) print "port", i, "is not listening"; }
        }
    '

        s = "";
            for (i in p) { if (! p[i]) s = s " " i; }

        if (s != "") {
            print "ports not listening:" s;
        }
        else {
            print "ok";
        }