{"description":"\u307e\u305a\u306f\u3001gem\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3002 % rvmsudo gem update --systemRVM\u3067Rails\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u7ba1\u7406\u3059\u308b\u306e\u3068\u304a\u308a\u306b\u8a2d\u5b9a\u3059\u308b\u3002 % rvm gemset list % rvm gemset create rails3 % rvm gemset use rails3rails\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb % rvmsudo gem install rails\u65b0\u3057\u3044\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b % rails new demo % cd demo % vi GemfileGemfile\u306b\u4ee5\u4e0b\u3092\u4ed8\u3051\u52a0\u3048\u308b\u3002 gem 'execjs' gem 'therubyracer'\u5fc5\u8981\u306agem\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u2026","categories":["Ubuntu","RoR"],"provider_url":"https://hatena.blog","url":"https://next49.hatenadiary.jp/entry/20111201/p3","type":"rich","version":"1.0","blog_title":"\u767a\u58f0\u7df4\u7fd2","author_name":"next49","image_url":null,"author_url":"https://blog.hatena.ne.jp/next49/","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnext49.hatenadiary.jp%2Fentry%2F20111201%2Fp3\" title=\" Ubuntu 11.10 + RVM + Ruby 1.9.3 + Ruby on Rails 3.1 - \u767a\u58f0\u7df4\u7fd2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":" Ubuntu 11.10 + RVM + Ruby 1.9.3 + Ruby on Rails 3.1","blog_url":"https://next49.hatenadiary.jp/","height":"190","provider_name":"Hatena Blog","published":"2011-12-01 00:00:02"}