Shell Programming and Scripting

root@1Q-01 # netstat -i
Name  Mtu  Net/Dest      Address     Ipkts     Ierrs  Opkts    Oerrs Collis Queue
lo0   8232 loopback      localhost   12167130  0      12167130  0     0      0
bge0  1500 1Q-01 	1Q-01 		 6118243   0       1204595  0     0      0
bge1  1500 1Q-01-DFT 	 1Q-01-DFT 	 6572109   0       2907975 20     0      0
bge3  1500 1Q-01-BD1 	 1Q-01-BD1 	 3416729  10         89438  0     0      0

        Serverlist=../Serverlist
        echo "Running netstat status"
        cat $Serverlist | grep -v '#'
        if [ ! $? ]; then
                logIt "error no Serverlist"
                exit
        else
                list=`cat $Serverlist | sort | grep -v '#' | awk '{print $2}' `
                export list
                for ip in $list; do
                        check=$STATUS_OK;
                        host=`grep -v "#" $Serverlist | grep -w $ip | awk '{print $1}'`
                        netstat -i | head -5 | tail -4 | awk '{ print $1 " " $6 " " $8 }'| while read output;
                        do
                                driver=$(echo $output | awk '{ print $1}' | cut -d'%' -f1  )
                                Ierrs=$(echo $output | awk '{ print $2 }' )
				Oerrs=$(echo $output | awk '{ print $3 }' )
                                  if [ $Ierrs -ge 0 ]; then
					echo "Netsat status for $driver, has input error $Ierrs on $host as on $(date)"
				 fi
				 if [ $0errs -ge 0 ]; then
					echo "Netsat status for $driver, has output error $Oerrs on $host as on $(date)"
									
                                 fi
                        done
                done
        fi

1Q-01 10.11.122.10
2Q-02 10.11.122.13

#!/bin/ksh

while read name ipaddr
do
        ssh -n "$ipaddr" "netstat -i" 2> /dev/null | while read name mtu netdest addr ipkts ierrs opkts oerrs collis queue
        do
                [ "$name" = "Name" ] && continue
                [ $ierrs -gt 0 ] && print "Error message here"
                [ $oerrs -gt 0 ] && print "Error message here"
        done
done < "$Serverlist"

root@1Q-V01 # ssh -n "1Q-01" "netstat -i" 2
The authenticity of host '1q-01 (10.11.122.11)' can't be established.
RSA key fingerprint is 92:9e:53:75:02:86:06:84:19:aa:b4:72:da:18:42:db.
Are you sure you want to continue connecting (yes/no)? yes

-o StrictHostKeyChecking=no

Name  Mtu  Net/Dest      Address     Ipkts     Ierrs  Opkts    Oerrs Collis Queue

if [ "$name" = "Name" ] || [ -z "$name" ]
then
        continue
fi