diff --git a/install.sh b/install.sh
index 762d921..85683ed 100755
--- a/install.sh
+++ b/install.sh
@@ -1,43 +1,67 @@
 #!/bin/bash
 
-[ `id -u` -ne 0 ] && echo 'root privilege required' && exit 1
 
 BASEDIR=$PWD
 
-if [[ ! $BASEDIR == '/opt/debian-bash' ]]; then
-    # download and filfull /opt/debian-bash, then run it from folder
-
-    rm -rf /opt/debian-bash
-    TEMP=`mktemp -d`
-    cd $TEMP
-    echo $TEMP
-    wget https://git.artcode.re/pvincent/debian-bash/archive/master.tar.gz
-    tar -xzf master.tar.gz
-    mv debian-bash /opt/
-    cd /opt/debian-bash
-    ./install.sh
-    rm -rf $TEMP
-    exit 0
-
-else
-
-	#remove /etc/skel/.bashrc
-	rm /etc/skel/.bashrc
-
-    ORIGINAL="ORIGINAL"
-    declare -a arr=(/etc/bash.bashrc /etc/inputrc /etc/vim/vimrc)
-
-    for i in "${arr[@]}"
-    do
-        if [ ! -f "$i.$ORIGINAL" ]; then
-
-            echo "$i needs installation $(basename $i)"
-            mv "$i" "$i.$ORIGINAL"
-            ln -s "$BASEDIR/$(basename $i)" "$i"
-        else
-            echo "$i" already overriden
-        fi
-    done
+function usage {
+	echo 'usage: --host | --containers | --full'
+	exit -1
+}
+
+function install_host {
+    echo "install host"
+    echo --------------
+
+    [ `id -u` -ne 0 ] && echo 'root privilege required' && exit 1
+
+    if [[ ! $BASEDIR == '/opt/debian-bash' ]]; then
+        # download and filfull /opt/debian-bash, then run it from folder
+
+        rm -rf /opt/debian-bash
+        TEMP=`mktemp -d`
+        cd $TEMP
+        echo $TEMP
+        wget https://git.artcode.re/pvincent/debian-bash/archive/master.tar.gz
+        tar -xzf master.tar.gz
+        mv debian-bash /opt/
+        cd /opt/debian-bash
+        ./install.sh --
+        rm -rf $TEMP
+        exit 0
+
+    else
+
+        #remove /etc/skel/.bashrc
+        rm /etc/skel/.bashrc
+
+        ORIGINAL="ORIGINAL"
+        declare -a arr=(/etc/bash.bashrc /etc/inputrc /etc/vim/vimrc)
+
+        for i in "${arr[@]}"
+        do
+            if [ ! -f "$i.$ORIGINAL" ]; then
+
+                echo "$i needs installation $(basename $i)"
+                mv "$i" "$i.$ORIGINAL"
+                ln -s "$BASEDIR/$(basename $i)" "$i"
+            else
+                echo "$i" already overriden
+            fi
+        done
+
+
+        source /etc/bash.bashrc
+    fi
+
+
+
+
+
+}
+
+function install_containers {
+    echo "install containers"
+    echo --------------------
 
     # install inside active LXC containers
     if [[ -f '/snap/bin/lxc' ]]; then
@@ -48,5 +72,29 @@ else
         done
     fi
 
-    source /etc/bash.bashrc
-fi
+}
+
+function install_one_container {
+    echo "install container <ONE>"
+    echo -------------------------
+}
+
+PARAM1=$1
+
+case $PARAM1 in
+    "--host")
+        install_host
+        ;;
+    "--containers")
+        install_containers
+        ;;
+    "--full")
+        install_host
+        install_containers
+        ;;
+    *)
+        usage
+        ;;
+esac
+
+