h2(#rvm). Option 1: Install with rvm
<notextile>
-<pre><code>~$ <span class="userinput">\curl -sSL https://get.rvm.io | bash -s stable --ruby=2.1</span>
+<pre><code>~$ <span class="userinput">gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3</span>
+~$ <span class="userinput">\curl -sSL https://get.rvm.io | bash -s stable --ruby=2.1</span>
~$ <span class="userinput">gem install bundler
</span></code></pre></notextile>
<notextile>
<pre><code><span class="userinput">mkdir -p ~/src
cd ~/src
-wget http://cache.ruby-lang.org/pub/ruby/2.1/ruby-2.1.3.tar.gz
-tar xzf ruby-2.1.3.tar.gz
-cd ruby-2.1.3
+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
make
sudo make install
sudo gem install bundler</span>
</code></pre></notextile>
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