Fix site/scaling.md documentation

Author: AdrianPadilla

site/scaling.md

@@ -296,15 +296,11 @@ enc_token=`kubectl get secret ${sec} -n ${ns} -o jsonpath='{.data.token}'`
 token=`echo ${enc_token} | base64 --decode`
 #echo "token [${token}]"
 
-# Retrieve SSL certificate for the external REST endpoint from the generated yaml file for the Operator  
-operator_cert_data=`kubectl get cm -n ${ns} weblogic-operator-cm -o jsonpath='{.data.externalOperatorCert}'`
-#echo "operator_cert_data [${operator_cert_data}]"
-
 # clean up any temporary files
 rm -rf operator.rest.response.body operator.rest.stderr operator.cert.pem
 
-# Decode and store the encoded SSL certificate into a pem file  
-echo ${operator_cert_data} | base64 --decode > operator.cert.pem
+# Retrieve SSL certificate from the Operator's external REST endpoint
+`openssl s_client -showcerts -connect ${ophost}:${opport} </dev/null 2>/dev/null | openssl x509 -outform PEM > operator.cert.pem`
 
 echo "Rest EndPoint url https://${ophost}:${opport}/operator/v1/domains/${domainuid}/clusters/${cluster}/scale"