とやればOK。 Ubuntu14.04およびUbuntu14.10の場合 ・・・のはずだったのですが、自分の環境(Ubuntu14.04及びUbuntu14.10)では下記のようなエラーが出てビルドに失敗しました。 % rbenv install 2.2.0 Downloading ruby-2.2.0.tar.gz... -> http://dqw8nmjcqpjn7.cloudfront.net/7671e394abfb5d262fbcd3b27a71bf78737c7e9347fa21c39e58b0bb9c4840fc Installing ruby-2.2.0... BUILD FAILED (Ubuntu 14.04 using ruby-build 20140524-150-gbe7d096) Inspect or clean up the working tree at /
![Ruby 2.2.0をrbenvとruby-buildでインストール - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/53a17a8344f3e665ee127c4d3216a1409fa14696/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fcdn.qiita.com%252Fassets%252Fpublic%252Farticle-ogp-background-412672c5f0600ab9a64263b751f1bc81.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTk3MiZoPTM3OCZ0eHQ9UnVieSUyMDIuMi4wJUUzJTgyJTkycmJlbnYlRTMlODElQThydWJ5LWJ1aWxkJUUzJTgxJUE3JUUzJTgyJUE0JUUzJTgzJUIzJUUzJTgyJUI5JUUzJTgzJTg4JUUzJTgzJUJDJUUzJTgzJUFCJnR4dC1hbGlnbj1sZWZ0JTJDdG9wJnR4dC1jb2xvcj0lMjMyMTIxMjEmdHh0LWZvbnQ9SGlyYWdpbm8lMjBTYW5zJTIwVzYmdHh0LXNpemU9NTYmcz02NDc4MTZkZjY3ZDY0NzlhMGE3NGY0YmNkOTMyNGM2ZQ%26mark-x%3D142%26mark-y%3D57%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZoPTc2Jnc9NzcwJnR4dD0lNDBiYWJvb2NvbiZ0eHQtY29sb3I9JTIzMjEyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTM2JnR4dC1hbGlnbj1sZWZ0JTJDdG9wJnM9ODgxYTlhOGE2YTgzNTFmOTVlYjgzY2JjMmU3OTFjMzY%26blend-x%3D142%26blend-y%3D486%26blend-mode%3Dnormal%26s%3Dae866e689470b9908eb9420a3ee981ea)