SPDX-License-Identifier: CC-BY-SA-3.0
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-Ruby 2.3 is recommended; Ruby 2.1 is also known to work.
+Ruby 2.5 is recommended; Ruby 2.3 is also known to work.
h4(#rvm). *Option 1: Install with RVM*
<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=2.3
+<pre><code><span class="userinput">sudo gpg --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB
+\curl -sSL https://get.rvm.io | sudo bash -s stable --ruby=2.5
</span></code></pre></notextile>
Either log out and log back in to activate RVM, or explicitly load it in all open shells like this:
<notextile>
<pre><code><span class="userinput">mkdir -p ~/src
cd ~/src
-curl -f http://cache.ruby-lang.org/pub/ruby/2.3/ruby-2.3.3.tar.gz | tar xz
-cd ruby-2.3.3
+curl -f http://cache.ruby-lang.org/pub/ruby/2.5/ruby-2.5.5.tar.gz | tar xz
+cd ruby-2.5.5
./configure --disable-install-rdoc
make
sudo make install