diff --git a/basic-network/docker-compose.yml b/basic-network/docker-compose.yml
index bfad9d952a..2ebe3a43d8 100644
--- a/basic-network/docker-compose.yml
+++ b/basic-network/docker-compose.yml
@@ -18,7 +18,7 @@ services:
       - FABRIC_CA_SERVER_CA_KEYFILE=/etc/hyperledger/fabric-ca-server-config/4239aa0dcd76daeeb8ba0cda701851d14504d31aad1b2ddddbac6a57365e497c_sk
     ports:
       - "7054:7054"
-    command: sh -c 'fabric-ca-server start -b admin:adminpw -d'
+    command: sh -c 'fabric-ca-server start -b admin:adminpw'
     volumes:
       - ./crypto-config/peerOrganizations/org1.example.com/ca/:/etc/hyperledger/fabric-ca-server-config
     container_name: ca.example.com
@@ -29,7 +29,7 @@ services:
     container_name: orderer.example.com
     image: hyperledger/fabric-orderer
     environment:
-      - ORDERER_GENERAL_LOGLEVEL=debug
+      - ORDERER_GENERAL_LOGLEVEL=info
       - ORDERER_GENERAL_LISTENADDRESS=0.0.0.0
       - ORDERER_GENERAL_GENESISMETHOD=file
       - ORDERER_GENERAL_GENESISFILE=/etc/hyperledger/configtx/genesis.block
@@ -52,8 +52,8 @@ services:
     environment:
       - CORE_VM_ENDPOINT=unix:///host/var/run/docker.sock
       - CORE_PEER_ID=peer0.org1.example.com
-      - CORE_LOGGING_PEER=debug
-      - CORE_CHAINCODE_LOGGING_LEVEL=DEBUG
+      - CORE_LOGGING_PEER=info
+      - CORE_CHAINCODE_LOGGING_LEVEL=info
       - CORE_PEER_LOCALMSPID=Org1MSP
       - CORE_PEER_MSPCONFIGPATH=/etc/hyperledger/msp/peer/
       - CORE_PEER_ADDRESS=peer0.org1.example.com:7051
@@ -105,7 +105,7 @@ services:
     environment:
       - GOPATH=/opt/gopath
       - CORE_VM_ENDPOINT=unix:///host/var/run/docker.sock
-      - CORE_LOGGING_LEVEL=DEBUG
+      - CORE_LOGGING_LEVEL=info
       - CORE_PEER_ID=cli
       - CORE_PEER_ADDRESS=peer0.org1.example.com:7051
       - CORE_PEER_LOCALMSPID=Org1MSP
diff --git a/basic-network/teardown.sh b/basic-network/teardown.sh
index 70367930e8..189b6070c4 100755
--- a/basic-network/teardown.sh
+++ b/basic-network/teardown.sh
@@ -14,6 +14,7 @@ docker-compose -f docker-compose.yml kill && docker-compose -f docker-compose.ym
 rm -f ~/.hfc-key-store/*
 
 # remove chaincode docker images
+docker rm $(docker ps -aq)
 docker rmi $(docker images dev-* -q)
 
 # Your system is now clean
diff --git a/first-network/byfn.sh b/first-network/byfn.sh
index 0c800d071d..5d71bd76bb 100755
--- a/first-network/byfn.sh
+++ b/first-network/byfn.sh
@@ -30,6 +30,7 @@
 # this may be commented out to resolve installed version of tools if desired
 export PATH=${PWD}/../bin:${PWD}:$PATH
 export FABRIC_CFG_PATH=${PWD}
+export VERBOSE=false
 
 # Print the usage message
 function printHelp () {
@@ -49,6 +50,7 @@ function printHelp () {
   echo "    -s <dbtype> - the database backend to use: goleveldb (default) or couchdb"
   echo "    -l <language> - the chaincode language: golang (default) or node"
   echo "    -i <imagetag> - the tag to be used to launch the network (defaults to \"latest\")"
+  echo "    -v - verbose mode"
   echo
   echo "Typically, one would first generate the required certificates and "
   echo "genesis block, then bring up the network. e.g.:"
@@ -163,7 +165,7 @@ function networkUp () {
     exit 1
   fi
   # now run the end to end script
-  docker exec cli scripts/script.sh $CHANNEL_NAME $CLI_DELAY $LANGUAGE $CLI_TIMEOUT
+  docker exec cli scripts/script.sh $CHANNEL_NAME $CLI_DELAY $LANGUAGE $CLI_TIMEOUT $VERBOSE
   if [ $? -ne 0 ]; then
     echo "ERROR !!!! Test failed"
     exit 1
@@ -222,7 +224,7 @@ function upgradeNetwork () {
     docker-compose $COMPOSE_FILES up -d --no-deps $PEER
   done
 
-  docker exec cli scripts/upgrade_to_v11.sh $CHANNEL_NAME $CLI_DELAY $LANGUAGE $CLI_TIMEOUT
+  docker exec cli scripts/upgrade_to_v11.sh $CHANNEL_NAME $CLI_DELAY $LANGUAGE $CLI_TIMEOUT $VERBOSE
   if [ $? -ne 0 ]; then
     echo "ERROR !!!! Test failed"
     exit 1
@@ -470,7 +472,7 @@ else
   exit 1
 fi
 
-while getopts "h?m:c:t:d:f:s:l:i:" opt; do
+while getopts "h?m:c:t:d:f:s:l:i:v" opt; do
   case "$opt" in
     h|\?)
       printHelp
@@ -490,6 +492,8 @@ while getopts "h?m:c:t:d:f:s:l:i:" opt; do
     ;;
     i)  IMAGETAG=`uname -m`"-"$OPTARG
     ;;
+    v)  VERBOSE=true
+    ;;
   esac
 done
 
diff --git a/first-network/eyfn.sh b/first-network/eyfn.sh
index b6783aacec..7447388864 100755
--- a/first-network/eyfn.sh
+++ b/first-network/eyfn.sh
@@ -14,6 +14,7 @@
 # this may be commented out to resolve installed version of tools if desired
 export PATH=${PWD}/../bin:${PWD}:$PATH
 export FABRIC_CFG_PATH=${PWD}
+export VERBOSE=false
 
 # Print the usage message
 function printHelp () {
@@ -32,6 +33,7 @@ function printHelp () {
   echo "    -s <dbtype> - the database backend to use: goleveldb (default) or couchdb"
   echo "    -l <language> - the chaincode language: golang (default) or node"
   echo "    -i <imagetag> - the tag to be used to launch the network (defaults to \"latest\")"
+  echo "    -v - verbose mode"
   echo
   echo "Typically, one would first generate the required certificates and "
   echo "genesis block, then bring up the network. e.g.:"
@@ -80,7 +82,7 @@ function clearContainers () {
 # specifically the following images are often left behind:
 # TODO list generated image naming patterns
 function removeUnwantedImages() {
-  DOCKER_IMAGE_IDS=$(docker images | grep "dev\|none\|test-vp\|peer[0-9]-" | awk '{print $3}')
+  DOCKER_IMAGE_IDS=$(docker images|awk '($1 ~ /dev-peer.*.mycc.*/) {print $3}')
   if [ -z "$DOCKER_IMAGE_IDS" -o "$DOCKER_IMAGE_IDS" == " " ]; then
     echo "---- No images available for deletion ----"
   else
@@ -110,7 +112,7 @@ function networkUp () {
   echo "###############################################################"
   echo "############### Have Org3 peers join network ##################"
   echo "###############################################################"
-  docker exec Org3cli ./scripts/step2org3.sh $CHANNEL_NAME $CLI_DELAY $LANGUAGE $CLI_TIMEOUT
+  docker exec Org3cli ./scripts/step2org3.sh $CHANNEL_NAME $CLI_DELAY $LANGUAGE $CLI_TIMEOUT $VERBOSE
   if [ $? -ne 0 ]; then
     echo "ERROR !!!! Unable to have Org3 peers join network"
     exit 1
@@ -119,13 +121,13 @@ function networkUp () {
   echo "###############################################################"
   echo "##### Upgrade chaincode to have Org3 peers on the network #####"
   echo "###############################################################"
-  docker exec cli ./scripts/step3org3.sh $CHANNEL_NAME $CLI_DELAY $LANGUAGE $CLI_TIMEOUT
+  docker exec cli ./scripts/step3org3.sh $CHANNEL_NAME $CLI_DELAY $LANGUAGE $CLI_TIMEOUT $VERBOSE
   if [ $? -ne 0 ]; then
     echo "ERROR !!!! Unable to add Org3 peers on network"
     exit 1
   fi
   # finish by running the test
-  docker exec Org3cli ./scripts/testorg3.sh $CHANNEL_NAME $CLI_DELAY $LANGUAGE $CLI_TIMEOUT
+  docker exec Org3cli ./scripts/testorg3.sh $CHANNEL_NAME $CLI_DELAY $LANGUAGE $CLI_TIMEOUT $VERBOSE
   if [ $? -ne 0 ]; then
     echo "ERROR !!!! Unable to run test"
     exit 1
@@ -160,7 +162,7 @@ function createConfigTx () {
   echo "###############################################################"
   echo "####### Generate and submit config tx to add Org3 #############"
   echo "###############################################################"
-  docker exec cli scripts/step1org3.sh $CHANNEL_NAME $CLI_DELAY $LANGUAGE $CLI_TIMEOUT
+  docker exec cli scripts/step1org3.sh $CHANNEL_NAME $CLI_DELAY $LANGUAGE $CLI_TIMEOUT $VERBOSE
   if [ $? -ne 0 ]; then
     echo "ERROR !!!! Unable to create config tx"
     exit 1
@@ -271,7 +273,7 @@ else
   printHelp
   exit 1
 fi
-while getopts "h?c:t:d:f:s:l:i:" opt; do
+while getopts "h?c:t:d:f:s:l:i:v" opt; do
   case "$opt" in
     h|\?)
       printHelp
@@ -291,6 +293,8 @@ while getopts "h?c:t:d:f:s:l:i:" opt; do
     ;;
     i)  IMAGETAG=$OPTARG
     ;;
+    v)  VERBOSE=true
+    ;;
   esac
 done
 
diff --git a/first-network/scripts/script.sh b/first-network/scripts/script.sh
index 5762cb253f..7823d6004d 100755
--- a/first-network/scripts/script.sh
+++ b/first-network/scripts/script.sh
@@ -13,10 +13,12 @@ CHANNEL_NAME="$1"
 DELAY="$2"
 LANGUAGE="$3"
 TIMEOUT="$4"
+VERBOSE="$5"
 : ${CHANNEL_NAME:="mychannel"}
 : ${DELAY:="3"}
 : ${LANGUAGE:="golang"}
 : ${TIMEOUT:="10"}
+: ${VERBOSE:="false"}
 LANGUAGE=`echo "$LANGUAGE" | tr [:upper:] [:lower:]`
 COUNTER=1
 MAX_RETRY=5
diff --git a/first-network/scripts/step1org3.sh b/first-network/scripts/step1org3.sh
index ad607e35b6..2efb64da62 100755
--- a/first-network/scripts/step1org3.sh
+++ b/first-network/scripts/step1org3.sh
@@ -15,10 +15,12 @@ CHANNEL_NAME="$1"
 DELAY="$2"
 LANGUAGE="$3"
 TIMEOUT="$4"
+VERBOSE="$5"
 : ${CHANNEL_NAME:="mychannel"}
 : ${DELAY:="3"}
 : ${LANGUAGE:="golang"}
 : ${TIMEOUT:="10"}
+: ${VERBOSE:="false"}
 LANGUAGE=`echo "$LANGUAGE" | tr [:upper:] [:lower:]`
 COUNTER=1
 MAX_RETRY=5
diff --git a/first-network/scripts/step2org3.sh b/first-network/scripts/step2org3.sh
index 41268c4b40..f4df00d4be 100755
--- a/first-network/scripts/step2org3.sh
+++ b/first-network/scripts/step2org3.sh
@@ -18,10 +18,12 @@ CHANNEL_NAME="$1"
 DELAY="$2"
 LANGUAGE="$3"
 TIMEOUT="$4"
+VERBOSE="$5"
 : ${CHANNEL_NAME:="mychannel"}
 : ${DELAY:="3"}
 : ${LANGUAGE:="golang"}
 : ${TIMEOUT:="10"}
+: ${VERBOSE:="false"}
 LANGUAGE=`echo "$LANGUAGE" | tr [:upper:] [:lower:]`
 COUNTER=1
 MAX_RETRY=5
diff --git a/first-network/scripts/step3org3.sh b/first-network/scripts/step3org3.sh
index 585fa203f0..895a451329 100755
--- a/first-network/scripts/step3org3.sh
+++ b/first-network/scripts/step3org3.sh
@@ -19,10 +19,12 @@ CHANNEL_NAME="$1"
 DELAY="$2"
 LANGUAGE="$3"
 TIMEOUT="$4"
+VERBOSE="$5"
 : ${CHANNEL_NAME:="mychannel"}
 : ${DELAY:="3"}
 : ${LANGUAGE:="golang"}
 : ${TIMEOUT:="10"}
+: ${VERBOSE:="false"}
 LANGUAGE=`echo "$LANGUAGE" | tr [:upper:] [:lower:]`
 COUNTER=1
 MAX_RETRY=5
diff --git a/first-network/scripts/testorg3.sh b/first-network/scripts/testorg3.sh
index 1668f45efb..7c3685e8b8 100755
--- a/first-network/scripts/testorg3.sh
+++ b/first-network/scripts/testorg3.sh
@@ -24,9 +24,11 @@ CHANNEL_NAME="$1"
 DELAY="$2"
 LANGUAGE="$3"
 TIMEOUT="$4"
+VERBOSE="$5"
 : ${CHANNEL_NAME:="mychannel"}
 : ${TIMEOUT:="10"}
 : ${LANGUAGE:="golang"}
+: ${VERBOSE:="false"}
 LANGUAGE=`echo "$LANGUAGE" | tr [:upper:] [:lower:]`
 COUNTER=1
 MAX_RETRY=5
diff --git a/first-network/scripts/upgrade_to_v11.sh b/first-network/scripts/upgrade_to_v11.sh
index 69eb2fbda2..54ee890555 100755
--- a/first-network/scripts/upgrade_to_v11.sh
+++ b/first-network/scripts/upgrade_to_v11.sh
@@ -13,10 +13,12 @@ CHANNEL_NAME="$1"
 DELAY="$2"
 LANGUAGE="$3"
 TIMEOUT="$4"
+VERBOSE="$5"
 : ${CHANNEL_NAME:="mychannel"}
 : ${DELAY:="5"}
 : ${LANGUAGE:="golang"}
 : ${TIMEOUT:="10"}
+: ${VERBOSE:="false"}
 LANGUAGE=`echo "$LANGUAGE" | tr [:upper:] [:lower:]`
 COUNTER=1
 MAX_RETRY=5
diff --git a/first-network/scripts/utils.sh b/first-network/scripts/utils.sh
index cc9008b66a..f53b2698cc 100755
--- a/first-network/scripts/utils.sh
+++ b/first-network/scripts/utils.sh
@@ -59,7 +59,9 @@ setGlobals () {
 		echo "================== ERROR !!! ORG Unknown =================="
 	fi
 
-	env |grep CORE
+	if [ "$VERBOSE" == "true" ]; then
+          env |grep CORE
+        fi
 }