diff --git a/lib/functions.sh b/lib/functions.sh
index 23e885d..25b4b61 100644
--- a/lib/functions.sh
+++ b/lib/functions.sh
@@ -144,7 +144,7 @@ function trap_error() {
     # local file="${0:-}"
     local err=$1  # error status
     local line=$2 # LINENO
-    local linecallfunc=${3:-}
+    # local linecallfunc=${3:-}
     local command="${4:-}"
     local funcstack="${5:-}"
     local caller
@@ -340,7 +340,7 @@ EOF1
 function join() {
     local IFS="$1"
     shift
-    echo "$*"
+    builtin echo "$*"
 }
 
 # execute remote scripting onto one LXC container <CONTAINER> [COMMANDS, ...]
diff --git a/lib/install.sh b/lib/install.sh
index d89e206..e00d7f0 100755
--- a/lib/install.sh
+++ b/lib/install.sh
@@ -423,12 +423,6 @@ else
     TARGET=${1:-}
     CURRENT_USER=$(id -un)
 
-    is_email_valid "pvincent" && echo OK || echo NOPE
-    is_email_valid "pvincent@aa" && echo OK || echo NOPE
-    is_email_valid "pvincent@artcode." && echo OK || echo NOPE
-    is_email_valid "pvincent@artcode.re" && echo OK || echo NOPE
-    exit 1
-
     sudo_required
     check_target
     install_miaou_bash
diff --git a/scripts/lxc-miaou-create b/scripts/lxc-miaou-create
index 5a8c7ad..d5914dc 100755
--- a/scripts/lxc-miaou-create
+++ b/scripts/lxc-miaou-create
@@ -57,10 +57,14 @@ function create() {
     packages=(git file bc bash-completion)
     [[ "$OPTION_SSH" == true ]] && packages+=(openssh-server)
     packages_string=$(join ', ' "${packages[@]}")
+
+    timezone='Indian/Reunion'       #FIXME: should be retrieved from host
+    debian_repo='debian.mithril.re' #FIXME: should be retrieved from host
+
     user_data="$(
         cat <<EOF
 #cloud-config
-timezone: 'Indian/Reunion'
+timezone: '$timezone'
 apt:
     preserve_sources_list: false
     conf: |
@@ -68,19 +72,19 @@ apt:
         DPkg::Lock::Timeout "60";
     primary:
         -   arches: [default]
-            uri: http://debian.mithril.re/debian
+            uri: http://$debian_repo/debian
     security:
         -   arches: [default]
-            uri: http://debian.mithril.re/debian-security
+            uri: http://$debian_repo/debian-security
     sources_list: |
-        # generated by miaou-cloud
+        # generated by miaou
         deb \$PRIMARY \$RELEASE main
         deb \$PRIMARY \$RELEASE-updates main
         deb \$SECURITY \$RELEASE-security main
 package_update: true
 package_upgrade: true
 package_reboot_if_required: true
-packages: $packages_string
+packages: [ $packages_string ]
 write_files:
   - path: /etc/sudoers.d/10-add_TOOLBOX_to_secure_path
     content: >
@@ -96,6 +100,7 @@ runcmd:
 final_message: "Container from datasource \$datasource is finally up, after \$UPTIME seconds"
 EOF
     )"
+
     lxc init local:debian/$CONTAINER_RELEASE/cloud "$CONTAINER" --config user.user-data="$user_data" -q
 
     # allow directory `SHARED` to be read-write mounted
@@ -159,7 +164,7 @@ EOF
     fi
 
     if [[ "$OPTION_SSH" == true && "$OPTION_SAMEUSER" == true ]]; then
-        lxc-miaou-enable-ssh "$CONTAINER"
+        lxc-miaou-enable-ssh "$CONTAINER" >/dev/null
     fi
 
     PREFIX="" echoinfo OK