Install RVM (development version):\curl -sSL https://get.rvm.io | bashWithout autolibs\curl -sSL https://get.rvm.io | bash -s -- --autolibs=read-failInstall RVM stable with ruby:\curl -sSL https://get.rvm.io | bash -s stable --rubyAdditionally with rails (poor man‘s railsinstaller ):\curl -sSL https://get.rvm.io | bash -s stable --railsOr with jruby, rails and puma:\curl -sSL https://get.rvm.io | bash -s stable --ruby=jruby --gems=rails,pumaTo install without rubygems-bundler and rvm gems (and also remove those gems from both global.gems and default.gems):\curl -sSL https://get.rvm.io | bash -s stable --without-gems="rvm rubygems-bundler"To install with hirb gem (and also add it to global.gems):\curl -sSL https://get.rvm.io | bash -s stable --with-gems="hirb"To install with rails and haml gems (and also add them to default.gems):\curl -sSL https://get.rvm.io | bash -s stable --with-default-gems="rails haml"For a progress bar when downloading RVM / Rubies:echo progress-bar >> ~/.curlrcPoint to be noted is, there is a backslash before curl. This prevents misbehaving if you have aliased it with configuration in your ~/.curlrc file.