<notextile>
<pre><code><span class="userinput">sudo gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
\curl -sSL https://get.rvm.io | sudo bash -s stable --ruby=2.1
-sudo adduser "$USER" rvm
</span></code></pre></notextile>
Either log out and log back in to activate RVM, or explicitly load it in all open shells like this:
<pre><code><span class="userinput">sudo apt-get install \
gawk g++ gcc make libc6-dev libreadline6-dev zlib1g-dev libssl-dev \
libyaml-dev libsqlite3-dev sqlite3 autoconf libgdbm-dev \
- libncurses5-dev automake libtool bison pkg-config libffi-dev
+ libncurses5-dev automake libtool bison pkg-config libffi-dev curl
</span></code></pre></notextile>
Build and install Ruby:
<notextile>
<pre><code><span class="userinput">mkdir -p ~/src
cd ~/src
-curl http://cache.ruby-lang.org/pub/ruby/2.1/ruby-2.1.6.tar.gz | tar xz
-cd ruby-2.1.6
-./configure --no-install-rdoc
+curl http://cache.ruby-lang.org/pub/ruby/2.1/ruby-2.1.7.tar.gz | tar xz
+cd ruby-2.1.7
+./configure --disable-install-rdoc
make
sudo make install