Difference between revisions of "OPS335 A2 Summer 2015 Tips"

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(→‎How to test your secondary DNS ?)
(→‎How to test your secondary DNS ?)
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= How to test your secondary DNS ?=
 
= How to test your secondary DNS ?=
 
<pre>
 
<pre>
−
test_item=scs.senecac.on.ca
+
test_items="scs.senecac.on.ca www.senecac.on.ca matrix.senecac.on.ca zenit.senecac.on.ca"
−
pri_dns_server=142.204.33.53
+
pri_dns_ip=142.204.33.53
−
sec_dns_server=142.204.33.54
+
sec_dns_ip=142.204.33.54
  
−
PRI_ANS=$(nslookup -query=A $test_item $pri_dns | grep -v $pri_dns | grep Address | awk '{print $2}')
+
for test_item in $test_items
 +
do
 +
    PRI_ANS=$(nslookup -query=A $test_item $pri_dns_ip | grep -v $pri_dns_ip | grep Address | awk '{print $2}')
 +
 
 +
    #cho $PRI_ANS
 +
 
 +
    SEC_ANS=$(nslookup -query=A $test_item $sec_dns_ip | grep -v $sec_dns_ip | grep Address | awk '{print $2}')
 +
 
 +
    echo $PRI_ANS $SEC_ANS
 +
 
 +
    [ "$SEC_ANS" = "$PRI_ANS" ] && echo match
 +
done
  
−
#echo $PRI_ANS
 
−
#142.204.140.179
 
−
SEC_ANS=$(nslookup -query=A $test_item $sec_dns | grep -v $sec_dns | grep Address | awk '{print $2}')
 
−
#echo $PRI_ANS
 
−
#142.204.140.179
 
−
#echo $SEC_ANS
 
−
#142.204.140.179
 
−
[ "$SEC_ANS" = "$PRI_ANS" ] && echo match
 
 
</pre>
 
</pre>

Revision as of 11:14, 31 July 2015

How to test your secondary DNS ?

test_items="scs.senecac.on.ca www.senecac.on.ca matrix.senecac.on.ca zenit.senecac.on.ca"
pri_dns_ip=142.204.33.53
sec_dns_ip=142.204.33.54

for test_item in $test_items
do
    PRI_ANS=$(nslookup -query=A $test_item $pri_dns_ip | grep -v $pri_dns_ip | grep Address | awk '{print $2}')

    #cho $PRI_ANS

    SEC_ANS=$(nslookup -query=A $test_item $sec_dns_ip | grep -v $sec_dns_ip | grep Address | awk '{print $2}')
   
    echo $PRI_ANS $SEC_ANS

    [ "$SEC_ANS" = "$PRI_ANS" ] && echo match
done
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