diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ded0aa2..8b9a1c5 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,5 +22,5 @@ jobs:
       - name: Run ShellCheck
         uses: ludeeus/action-shellcheck@master
         env:
-          SHELLCHECK_OPTS: -e SC2001 -e SC2002 -e SC2116 -e SC2034 -e SC1091 -e SC2143 -e SC2223 -e SC2086 -e SC2145 -e SC2015 -e SC2268 -e SC2207
+          SHELLCHECK_OPTS: -e SC2001 -e SC2002 -e SC2116 -e SC2034 -e SC1091 -e SC2143 -e SC2223 -e SC2086 -e SC2145 -e SC2015 -e SC2268 -e SC2207 -e SC2064 
 
diff --git a/Dockerfile b/Dockerfile
index a80a483..722e3cb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,12 +15,10 @@ RUN apt-get update && apt-get -y upgrade && \
 	wget \
 	unzip \
 	procps \
-	ethtool \
 	dnsmasq \
 	iptables \
 	iproute2 \
 	xz-utils \
-	qemu-utils \
 	btrfs-progs \
 	bridge-utils \
 	netcat-openbsd \
@@ -35,6 +33,7 @@ COPY serial.sh /run/
 COPY server.sh /run/
 COPY install.sh /run/
 COPY network.sh /run/
+
 COPY agent/agent.sh /agent/
 COPY agent/service.sh /agent/
 
@@ -61,9 +60,9 @@ EXPOSE 445
 EXPOSE 5000
 EXPOSE 5001
 
-ENV RAM_SIZE 512M
-ENV DISK_SIZE 16G
 ENV CPU_CORES 1
+ENV DISK_SIZE 16G
+ENV RAM_SIZE 512M
 
 #ENV URL https://global.synologydownload.com/download/DSM/beta/7.2/64216/DSM_VirtualDSM_64216.pat
 #ENV URL https://global.synologydownload.com/download/DSM/release/7.0.1/42218/DSM_VirtualDSM_42218.pat
diff --git a/install.sh b/install.sh
index cf5ed62..6994d21 100644
--- a/install.sh
+++ b/install.sh
@@ -122,6 +122,9 @@ mkdir -p $LOC
 cp /agent/service.sh $LOC/agent.sh
 chmod +x $LOC/agent.sh
 
+# Store agent version
+echo "2" > "$IMG"/agent.ver
+
 if [ "$PRIVILEGED" = false ]; then
 
   echo "Install: Installing system partition..."
@@ -137,9 +140,6 @@ fi
 
 rm -rf $MOUNT
 
-# Store agent version
-echo "2" > "$IMG"/agent.ver
-
 mv -f "$BOOT" "$IMG"/"$BASE".boot.img
 mv -f "$SYSTEM" "$IMG"/"$BASE".system.img
 
diff --git a/network.sh b/network.sh
index 599f1f1..db4ca54 100644
--- a/network.sh
+++ b/network.sh
@@ -5,10 +5,10 @@ set -eu
 : ${VM_NET_MAC:=''}
 : ${VM_NET_IP:='20.20.20.21'}
 
+: ${DNS_SERVERS:=''}
 : ${DNSMASQ:='/usr/sbin/dnsmasq'}
 : ${DNSMASQ_OPTS:=''}
 : ${DNSMASQ_CONF_DIR:='/etc/dnsmasq.d'}
-: ${DNS_SERVERS:=''}
 
 # ######################################
 #  Functions
@@ -66,9 +66,7 @@ fi
 #If environment variabele not set fall back to file
 if [ -z "$VM_NET_MAC" ]; then
   FILE="${IMG}/guest.mac"
-  if [ ! -f "$FILE" ]; then
-    echo "00:11:32:2C:A7:85" > "$FILE"
-  fi
+  [ ! -f "$FILE" ] && echo "00:11:32:2C:A7:85" > "$FILE"
   VM_NET_MAC=$(cat "${FILE}")
 fi
 
diff --git a/power.sh b/power.sh
index e6f8fdc..16edc7c 100644
--- a/power.sh
+++ b/power.sh
@@ -12,7 +12,7 @@ _QEMU_SHUTDOWN_COUNTER=/run/qemu.counter
 _trap(){
     func="$1" ; shift
     for sig ; do
-        trap '$func $sig' "$sig"
+        trap "$func $sig" "$sig"
     done
 }
 
@@ -22,16 +22,12 @@ _graceful_shutdown(){
   local QEMU_POWERDOWN_TIMEOUT="${QEMU_POWERDOWN_TIMEOUT:-120}"
 
   set +e
-  echo "Trapped $1 signal"
+  echo "Received $1 signal.."
   echo 0 > "${_QEMU_SHUTDOWN_COUNTER}"
 
   FILE="${IMG}/agent.ver"
-  if [ ! -f "$FILE" ]; then
-    AGENT_VERSION="1"
-    echo "$AGENT_VERSION" > "$IMG"/agent.ver
-  else
-    AGENT_VERSION=$(cat "${FILE}")
-  fi
+  [ ! -f "$FILE" ] && echo "1" > "$FILE"
+  AGENT_VERSION=$(cat "${FILE}")
 
   # Don't send the powerdown signal because Synology ignores it
   # echo 'system_powerdown' | nc -q 1 -w 1 localhost "${QEMU_MONPORT}">/dev/null
diff --git a/run.sh b/run.sh
index 58ab79d..81bcb09 100755
--- a/run.sh
+++ b/run.sh
@@ -39,7 +39,7 @@ ARGS="-m ${RAM_SIZE} -smp ${CPU_CORES} -machine type=q35${KVM_ACC_OPTS} ${EXTRA_
 
 set -m
 (
-  for _SIGNAL in {1..64}; do trap 'echo Caught trap ${_SIGNAL} for the QEMU process' "${_SIGNAL}"; done
+  for _SIGNAL in {1..64}; do trap "echo Caught trap ${_SIGNAL} for the QEMU process" "${_SIGNAL}"; done
   qemu-system-x86_64 ${ARGS} & echo $! > ${_QEMU_PID}
 )
 set +m