diff --git a/app/Resources/views/logged/previsionnel.html.twig b/app/Resources/views/logged/previsionnel.html.twig
index 159a5c68..2899a554 100755
--- a/app/Resources/views/logged/previsionnel.html.twig
+++ b/app/Resources/views/logged/previsionnel.html.twig
@@ -178,6 +178,8 @@
                     <div class="col-sm-12 col-lg-5">
 
                         <h2>Simulation sur {{config.lines}} mois</h2>
+                        <div id="simulation-prevision"></div>
+                        <!--block to insert the graph-->
                         <div class="well" ng-if="config.monthsBeforeNoMoney < config.lines">
                         Ce sera la dèche dans {{config.monthsBeforeNoMoney}} mois
 </div>
diff --git a/install.sh b/install.sh
index 0cf8cc77..a3f4149a 100755
--- a/install.sh
+++ b/install.sh
@@ -4,19 +4,30 @@ echo "################################";
 echo "start INSTALL of symfony project";
 echo "################################";
 echo "checking requirements";
-composer --version
-yarn --version
-acl --varsion
 
-echo "installing symfony project for ubuntu environnement";
-composer install && yarn install;
-yarn run encore dev
+sudo apt install acl -y
 echo "fix file permissions";
 HTTPDUSER=$(ps axo user,comm | grep -E '[a]pache|[h]ttpd|[_]www|[w]ww-data|[n]ginx' | grep -v root | head -1 | cut -d\  -f1)
 
 sudo setfacl -dR -m u:"$HTTPDUSER":rwX -m u:$(whoami):rwX var
 sudo setfacl -R -m u:"$HTTPDUSER":rwX -m u:$(whoami):rwX var
 
+sudo npm i -g yarn
+
+composer --version
+yarn --version
+acl --varsion
+
+php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
+php -r "if (hash_file('SHA384', 'composer-setup.php') === '544e09ee996cdf60ece3804abc52599c22b1f40f4323403c44d44fdfdd586475ca9813a858088ffbc1f233e9b180f061') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
+php composer-setup.php
+php -r "unlink('composer-setup.php');"
+
+
+echo "installing symfony project for ubuntu environnement";
+composer install && yarn install;
+yarn run encore dev
+
 echo "update database";
 php bin/console doctrine:schema:update --dump-sql
 php bin/console doctrine:schema:update --force