diff --git a/defaults.sh b/defaults.sh
index b3e7c11..5831135 100644
--- a/defaults.sh
+++ b/defaults.sh
@@ -2,7 +2,7 @@
 
 set -eu
 
-export DEPLOY_WWW_SERVER=true
+export DEPLOY_WWW_SERVER=false
 export DEPLOY_BTCPPAY_SERVER=false
 export DEPLOY_UMBREL_VPS=false
 
@@ -44,8 +44,8 @@ export SMTP_PORT="587"
 export AWS_REGION="us-east-1"
 
 # AMI NAME:
-# ubuntu-minimal/images/hvm-ssd/ubuntu-hirsute-21.04-amd64-minimal-20211130-907a40d2-dca2-4750-b073-b3254c031ab6
-export AWS_AMI_ID="ami-080435381cbbb5b9b"
+# ubuntu-minimal/images/hvm-ssd/ubuntu-impish-21.10-amd64-minimal-20220308-f7c42f71-5c9c-40c0-b808-ada8557fe9a2
+export AWS_AMI_ID="ami-0ab880898e027d4c1"
 WWW_INSTANCE_TYPE="t2.micro"
 BTCPAY_INSTANCE_TYPE="t2.medium"
 
@@ -120,7 +120,6 @@ fi
 
 export SITE_PATH="$SITE_PATH"
 export BTC_CHAIN="$BTC_CHAIN"
-export DEPLOY_BTCPAY_SERVER=false
 
 # if we're running aws/public, we enable nginx caching since it's a public site.
 if [ "$VPS_HOSTING_TARGET" = aws ]; then
@@ -132,12 +131,12 @@ DEFAULT_DB_IMAGE="mariadb:10.6.5"
 export ENABLE_NGINX_CACHING="$ENABLE_NGINX_CACHING"
 
 # run the docker stack.
-export GHOST_IMAGE="ghost:4.32.0"
+export GHOST_IMAGE="ghost:4.44.0"
 export GHOST_DB_IMAGE="$DEFAULT_DB_IMAGE"
-export NGINX_IMAGE="nginx:1.21.4"
-export NEXTCLOUD_IMAGE="nextcloud:23.0.0"
+export NGINX_IMAGE="nginx:1.21.6"
+export NEXTCLOUD_IMAGE="nextcloud:23.0.2"
 export NEXTCLOUD_DB_IMAGE="$DEFAULT_DB_IMAGE"
-export MATRIX_IMAGE="matrixdotorg/synapse:v1.49.0"
-export MATRIX_DB_IMAGE="postgres:13.4"
+export MATRIX_IMAGE="matrixdotorg/synapse:v1.52.0"
+export MATRIX_DB_IMAGE="postgres:13.6"
 export GITEA_IMAGE="gitea/gitea:latest"
 export GITEA_DB_IMAGE="$DEFAULT_DB_IMAGE"
diff --git a/deploy.sh b/deploy.sh
index be2890a..b295131 100755
--- a/deploy.sh
+++ b/deploy.sh
@@ -3,7 +3,7 @@
 set -exuo nounset
 cd "$(dirname "$0")"
 
-USER_DELETE_MACHINE=false
+MIGRATE_VPS=false
 DOMAIN_NAME=
 VPS_HOSTING_TARGET=lxd
 RUN_CERT_RENEWAL=true
@@ -15,7 +15,10 @@ MIGRATE_BTCPAY_SERVER=false
 RECONFIGURE_BTCPAY_SERVER=false
 BTCPAY_ADDITIONAL_HOSTNAMES=
 LXD_DISK_TO_USE=
-DEV_BTCPAY_MAC_ADDRESS=
+DEPLOY_BTCPAY_SERVER=false
+REDEPLOY_STACK=false
+MACVLAN_INTERFACE=
+
 
 for i in "$@"; do
     case $i in
@@ -39,8 +42,8 @@ for i in "$@"; do
             USER_NO_BACKUP=true
             shift
         ;;
-        --delete)
-            USER_DELETE_MACHINE=true
+        --migrate)
+            MIGRATE_VPS=true
             shift
         ;;
         --storage-backend=*)
@@ -79,6 +82,7 @@ export BTC_CHAIN="$BTC_CHAIN"
 export UPDATE_BTCPAY="$UPDATE_BTCPAY"
 export MIGRATE_BTCPAY_SERVER="$MIGRATE_BTCPAY_SERVER"
 export RECONFIGURE_BTCPAY_SERVER="$RECONFIGURE_BTCPAY_SERVER"
+export MACVLAN_INTERFACE="$MACVLAN_INTERFACE"
 
 # # first of all, if there are uncommited changes, we quit. You better stash your work yo!
 # if git update-index --refresh| grep -q "needs update"; then
@@ -108,7 +112,8 @@ for APP_TO_DEPLOY in btcpay www umbrel; do
 
     # skip if the server config is set to not deploy.
     if [ "$APP_TO_DEPLOY" = www ]; then
-        FQDN="$WWW_HOSTNAME.$DOMAIN_NAME"
+        VPS_HOSTNAME="$WWW_HOSTNAME"
+        MAC_ADDRESS_TO_PROVISION="$WWW_MAC_ADDRESS"
         if [ "$DEPLOY_WWW_SERVER" = false ]; then
             continue
         fi
@@ -123,6 +128,9 @@ for APP_TO_DEPLOY in btcpay www umbrel; do
         fi
     fi
 
+    export MAC_ADDRESS_TO_PROVISION="$MAC_ADDRESS_TO_PROVISION"
+    export VPS_HOSTNAME="$VPS_HOSTNAME"
+    export FQDN="$VPS_HOSTNAME.$DOMAIN_NAME"
 
     # generate the docker yaml and nginx configs.
     ./stub_docker_yml.sh
@@ -143,7 +151,9 @@ for APP_TO_DEPLOY in btcpay www umbrel; do
 
     if [ "$MACHINE_EXISTS"  = true ]; then
         # we delete the machine if the user has directed us to
-        if [ "$USER_DELETE_MACHINE" = true ]; then
+        if [ "$MIGRATE_VPS" = true ]; then
+
+
             # run the domain_init based on user input.
             if [ "$USER_NO_BACKUP"  = true ]; then
                 echo "Machine exists. We don't need to back it up because the user has directed --no-backup."
@@ -160,6 +170,7 @@ for APP_TO_DEPLOY in btcpay www umbrel; do
                 fi
             elif [ "$VPS_HOSTING_TARGET" = lxd ]; then
                 lxc delete --force "$LXD_VM_NAME"
+                USER_RUN_RESTORE=true
             fi
 
             # Then we run the script again to re-instantiate a new VPS, restoring all user data 
@@ -178,7 +189,7 @@ for APP_TO_DEPLOY in btcpay www umbrel; do
             RUN_RESTORE="$USER_RUN_RESTORE" RUN_BACKUP="$RUN_BACKUP" RUN_SERVICES=true ./domain_init.sh
         fi
     else
-        if [ "$USER_DELETE_MACHINE" = true ]; then
+        if [ "$MIGRATE_VPS" = true ]; then
             echo "INFO: User has indicated to delete the machine, but it doesn't exist. Going to create it anyway."
         fi
 
diff --git a/domain_init.sh b/domain_init.sh
index da18d44..65ff50c 100755
--- a/domain_init.sh
+++ b/domain_init.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -exuo nounset
+set -eux
 cd "$(dirname "$0")"
 
 # let's make sure we have an ssh keypair. We just use ~/.ssh/id_rsa
@@ -44,20 +44,20 @@ elif [ "$VPS_HOSTING_TARGET" = lxd ]; then
     ssh-keygen -f "$SSH_HOME/known_hosts" -R "$FQDN"
 
     #check to ensure the MACVLAN interface has been set by the user
-    if [ -z "$DEV_MACVLAN_INTERFACE" ]; then
-        echo "ERROR: DEV_MACVLAN_INTERFACE has not been defined. Use '--macvlan-interface=eno1' for example."
+    if [ -z "$MACVLAN_INTERFACE" ]; then
+        echo "ERROR: MACVLAN_INTERFACE has not been defined. Use '--macvlan-interface=eno1' for example."
         exit 1
     fi
 
     # let's first check to ensure there's a cert.tar.gz. We need a valid cert for testing.
     if [ ! -f "$SITE_PATH/certs.tar.gz" ]; then
-        echo "ERROR: We need a valid cert for testing. Please use the '--app=certonly' first."
-        exit
+        echo "ERROR: We need a valid cert for testing."
+        exit 1
     fi
 
     # if the machine doesn't exist, we create it.
     if ! lxc list --format csv | grep -q "$LXD_VM_NAME"; then
-        RUN_BACKUP=false
+        export RUN_BACKUP=false
 
         # create a base image if needed and instantiate a VM.
         ./provision_lxc.sh
diff --git a/go_btcpay.sh b/go_btcpay.sh
index 11eea5b..3c8bd6c 100755
--- a/go_btcpay.sh
+++ b/go_btcpay.sh
@@ -1,9 +1,10 @@
 #!/bin/bash
 
-set -exuo nounset
+set -exu
 cd "$(dirname "$0")"
 
 if [ "$RUN_BACKUP"  = true ]; then
+    # shellcheck disable=SC2029
     ssh "$FQDN" "cd $REMOTE_HOME/btcpayserver-docker/; sudo bash -c ./btcpay-down.sh" 
 fi
 
@@ -17,6 +18,7 @@ if [ "$UPDATE_BTCPAY" = true ]; then
     fi
 
     # run the update.
+    # shellcheck disable=SC2029
     ssh "$FQDN" "cd $REMOTE_HOME/btcpayserver-docker/; sudo bash -c ./btcpay-update.sh" 
 
 else
@@ -28,6 +30,7 @@ fi
 
 # run a restoration if specified.
 if [ "$RUN_RESTORE" = true ]; then
+    # shellcheck disable=SC2029
     ssh "$FQDN" "cd $REMOTE_HOME/btcpayserver-docker/; sudo bash -c ./btcpay-down.sh" 
     ./restore_btcpay.sh
 fi
@@ -38,9 +41,10 @@ if [ "$RECONFIGURE_BTCPAY_SERVER"  = true ]; then
     ./run_btcpay_setup.sh
 fi
 
-if [ "$MIGRATE_BTCPAY_SERVER" = false ]; then
+if [ "$MIGRATE_VPS" = false ]; then
     # The default is to resume services, though admin may want to keep services off (eg., for a migration)
     # we bring the services back up by default.
+    # shellcheck disable=SC2029
     ssh "$FQDN" "cd $REMOTE_HOME/btcpayserver-docker/; sudo bash -c ./btcpay-up.sh"
 
     # we wait for lightning to comone line too.
diff --git a/go_www.sh b/go_www.sh
index ff8f90f..eae4db3 100755
--- a/go_www.sh
+++ b/go_www.sh
@@ -40,9 +40,9 @@ else
     # restore the certs. If they don't exist in a backup we restore from SITE_PATH
     if [ -f "$SITE_PATH/certs.tar.gz" ]; then
         scp "$SITE_PATH/certs.tar.gz" "ubuntu@$FQDN:$REMOTE_HOME/certs.tar.gz"
-        ssh "$FQDN" sudo tar -xvf "$REMOTE_HOME/certs.tar.gz" -C /etc
+        ssh "$FQDN" "sudo tar -xvf $REMOTE_HOME/certs.tar.gz -C /etc"
     else
-        echo "ERROR: Certificates do not exist locally. You need to obtain some, perhaps by running with '--app=certonly'."
+        echo "ERROR: Certificates do not exist locally."
         exit 1
     fi
 fi
diff --git a/install.sh b/install.sh
index 6643b4a..c225639 100755
--- a/install.sh
+++ b/install.sh
@@ -2,7 +2,7 @@
 
 sudo apt-get update
 
-sudo apt-get install -y wait-for-it dnsutils tor rsync sshfs
+sudo apt-get install -y wait-for-it dnsutils rsync sshfs
 
 if [ ! -f $(which lxd) ]; then
     sudo snap install lxd
diff --git a/lxc_profile.yml b/lxc_profile.yml
index 0063812..3cc5f4a 100644
--- a/lxc_profile.yml
+++ b/lxc_profile.yml
@@ -143,6 +143,6 @@ devices:
     type: disk
   enp5s0:
     nictype: macvlan
-    parent: ${DEV_MACVLAN_INTERFACE}
+    parent: ${MACVLAN_INTERFACE}
     type: nic
 name: ${LXD_VM_NAME}
diff --git a/provision_vps.sh b/provision_vps.sh
index 58ab794..b56c5c6 100755
--- a/provision_vps.sh
+++ b/provision_vps.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -euo nounset
+set -eux
 cd "$(dirname "$0")"
 
 
diff --git a/restore_www.sh b/restore_www.sh
index 1fd352d..32ab1eb 100755
--- a/restore_www.sh
+++ b/restore_www.sh
@@ -17,4 +17,3 @@ scp -r "$LOCAL_BACKUP_PATH/" "$FQDN:$REMOTE_HOME/backups/$APP_TO_DEPLOY"
 
 # now we run duplicity to restore the archive.
 ssh "$FQDN" sudo PASSPHRASE="$DUPLICITY_BACKUP_PASSPHRASE" duplicity --force restore "file://$REMOTE_BACKUP_PATH/" "$REMOTE_HOME/"
-#ssh "$FQDN" sudo tar -xvf  "$REMOTE_HOME/certs.tar.gz" -C /etc
diff --git a/shared.sh b/shared.sh
index 4377daa..e824ed7 100755
--- a/shared.sh
+++ b/shared.sh
@@ -59,6 +59,10 @@ DOCKER_YAML_PATH="$SITE_PATH/appstack.yml"
 export DOCKER_YAML_PATH="$DOCKER_YAML_PATH"
 
 # TODO add file existence check
+if [ ! -f "$SITE_PATH/site_definition" ]; then
+    echo "ERROR: site_definition does not exist."
+    exit 1
+fi
 # shellcheck disable=SC1090
 source "$SITE_PATH/site_definition"