Voici la sortie de la console: sergio@sergio-VirtualBox:~$ rvm list rvm rubies ruby-1.9.3 [ i386 ] sergio@sergio-VirtualBox:~$ rvm use 1.9.3 Using /usr/share/ruby-rvm/gems/ruby-1.9.3 sergio@sergio-VirtualBox:~$ ruby -v The program 'ruby' can be found in the following packages: * ruby1.8 * ruby1.9.1...