{"provider_url":"https://hatena.blog","categories":["RoR"],"blog_title":"\u767a\u58f0\u7df4\u7fd2","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnext49.hatenadiary.jp%2Fentry%2F20140127%2Fp2\" title=\" Ruby 2.1.0 + Ruby on Rails 4.0.2 - \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>","blog_url":"https://next49.hatenadiary.jp/","image_url":null,"version":"1.0","author_url":"https://blog.hatena.ne.jp/next49/","provider_name":"Hatena Blog","type":"rich","url":"https://next49.hatenadiary.jp/entry/20140127/p2","height":"190","width":"100%","published":"2014-01-27 00:00:00","author_name":"next49","title":" Ruby 2.1.0 + Ruby on Rails 4.0.2","description":"Ruby on Rails\u306e\u30c7\u30e2\u3092\u8d70\u3089\u305b\u308b\u307e\u3067\u975e\u5e38\u306b\u624b\u9593\u53d6\u3063\u305f\u3002 \u74b0\u5883\uff06\u524d\u56de\u306e\u30e1\u30e2 Ubuntu 12.04 LTS Ruby on Rails 3.2.9\u304b\u30893.2.11\u3078\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9 RVM\u306b\u3088\u308bRuby\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9 RVM\u3067Ruby 2.1.0\u3078 % rvm get stable % rvm list known % rvm upgrade ruby-2.0.0 ruby-2.1.0\u4eca\u56de\u306fRubygems\u304c\u4e00\u62ec\u3067\u4ee5\u964d\u3067\u304d\u306a\u304b\u3063\u305f\u306e\u3067\u3042\u3068\u304b\u3089\u3061\u3087\u3063\u3068\u305a\u3064\u66f4\u65b0\u3002 % rvm list rvm rubies ruby-2.0.0-p353 [ x86_64 ] =* rub\u2026"}