Bon j'ai refait la mise à jour avec le script :
cd /var/www/seedbox-manager
git pull origin master
composer update
bower update --allow-root
Tout c'est bien déroulé mais j'suis toujours en 2.4.1
le script du processus de mise à jour avec Putty
root@monserveur:~# cd /var/www/seedbox-manager
root@monserveur:/var/www/seedbox-manager# git pull origin master
From https://github.com/Magicalex/seedbox-manager
* branch master -> FETCH_HEAD
Already up-to-date.
root@monserveur:/var/www/seedbox-manager# composer update
Loading composer repositories with package information
Updating dependencies (including require-dev)
Nothing to install or update
Generating autoload files
root@monserveur:/var/www/seedbox-manager# bower update --allow-root
bower cached git://github.com/components/font-awesome.git#4.2.0
bower validate 4.2.0 against git://github.com/components/font-awesome.git#4.2.x
bower cached git://github.com/twbs/bootstrap.git#3.2.0
bower validate 3.2.0 against git://github.com/twbs/bootstrap.git#3.2.x
bower cached git://github.com/mimiz/jquery-loader-plugin.git#2.1.1
bower validate 2.1.1 against git://github.com/mimiz/jquery-loader-plugin.git#2.1.x
bower cached git://github.com/jquery/jquery.git#2.1.3
bower validate 2.1.3 against git://github.com/jquery/jquery.git#>1.2.2
bower cached git://github.com/jquery/jquery.git#2.1.3
bower validate 2.1.3 against git://github.com/jquery/jquery.git#>= 1.9.0
bower install jquery#2.1.3
jquery#2.1.3 public/components/jquery
root@monserveur:/var/www/seedbox-manager#