title: Install Ruby and bundler
...
-We recommend Ruby >= 2.1.
+Currently, only Ruby 2.1 is supported.
h2(#rvm). Option 1: Install with rvm
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<pre><code><span class="userinput">mkdir -p ~/src
cd ~/src
-wget http://cache.ruby-lang.org/pub/ruby/2.1/ruby-2.1.5.tar.gz
-tar xzf ruby-2.1.5.tar.gz
-cd ruby-2.1.5
-./configure
+wget http://cache.ruby-lang.org/pub/ruby/2.1/ruby-2.1.6.tar.gz
+tar xzf ruby-2.1.6.tar.gz
+cd ruby-2.1.6
+./configure --no-rdoc --no-ri
make
sudo make install