diff --git a/README.md b/README.md
index 9795d0e..ca80922 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,8 @@
 # debian-gnome
 
-configuration pour un bureau Gnome propre et efficace.
-utilisé lors des Instalalis dispensés par Libre.re
\ No newline at end of file
+configuration pour un bureau Gnome propre et efficace.
+utilisé lors des Instalalis dispensés par Libre.re
+
+## install
+
+`curl https://git.artcode.re/pvincent/debian-gnome/raw/master/src/main.bash | pkexec bash -s --`
\ No newline at end of file
diff --git a/src/main.bash b/src/main.bash
new file mode 100755
index 0000000..7fb635b
--- /dev/null
+++ b/src/main.bash
@@ -0,0 +1,61 @@
+#!/bin/bash
+
+## FUNCTIONS
+
+function runVoid(){
+    local COMMAND="$@"
+    bash -c "${COMMAND}" >/dev/null 2>&1
+    return $?
+}
+
+## MAIN
+
+[ `id -u` -eq 0 ] && echo 'normal user required' && exit -1
+
+ALLOWED_USERS=$(id -un) #CUSTOMIZE if needed!
+
+## openssh-server
+PGKNAME='openssh-server'
+runVoid dpkg-query --status $PGKNAME
+if [ $? -ne 0 ] ; then
+    set -e
+    pkexec apt install $PGKNAME
+    pkexec /opt/debian-bash/tools/append_or_replace "^#\?PermitRootLogin.*$" "PermitRootLogin no" /etc/ssh/sshd_config
+    pkexec /opt/debian-bash/tools/append_or_replace "^#\?PasswordAuthentication.*$" "PasswordAuthentication no" /etc/ssh/sshd_config
+    pkexec /opt/debian-bash/tools/append_or_replace "^#\?AllowUsers.*$" "AllowUsers $ALLOWED_USERS" /etc/ssh/sshd_config
+    pkexec systemctl restart sshd
+    set +e
+else
+    echo "${PGKNAME} already installed!"
+fi
+
+## firefox latest
+if [[ ! /usr/local/bin/firefox -ef /opt/firefox/firefox ]];then
+    set -e
+    cd /tmp
+    wget `curl 'https://download.mozilla.org/?product=firefox-latest-ssl&os=linux64&lang=en-US' | cut -d '"' -f2` -O firefox-latest.tar.bz2
+    pkexec mkdir /opt/firefox -p
+    pkexec chown $USER /opt/firefox
+    tar -xjf firefox-latest.tar.bz2 -C /opt
+    cat <<EOF | pkexec tee -a /usr/share/applications/firefox-stable.desktop
+[Desktop Entry]
+Name=Firefox Stable
+Comment=Web Browser
+Exec=/opt/firefox/firefox %u
+Terminal=false
+Type=Application
+Icon=/opt/firefox/browser/chrome/icons/default/default128.png
+Categories=Network;WebBrowser;
+MimeType=text/html;text/xml;application/xhtml+xml;application/xml;application/vnd.mozilla.xul+xml;application/rss+xml;application/rdf+xml;image/gif;image/jpeg;image/png;x-scheme-handler/http;x-scheme-handler/https;
+StartupNotify=true
+StartupWMClass=Firefox
+EOF
+    pkexec ln -s /opt/firefox/firefox /usr/local/bin/firefox
+    pkexec update-alternatives --install /usr/bin/x-www-browser x-www-browser /opt/firefox/firefox 200 && sudo update-alternatives --set x-www-browser /opt/firefox/firefox 
+    pkexec apt remove firefox-esr
+    set +e
+else
+    echo "firefox latest already installed!"
+fi
+
+