{"type":"rich","blog_url":"https://babydaemons.hatenablog.com/","width":"100%","author_name":"babydaemons","height":"190","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/babydaemons/","categories":["Ubuntu","Rails3","Ruby"],"blog_title":"babydaemons\u2019 blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbabydaemons.hatenablog.com%2Fentry%2F20110920%2FRails3_on_Ubuntu\" title=\"Ubuntu\u3067Rails3\u306eexecjs\u304c\u4f8b\u5916\u3092\u6295\u3052\u305f\u3089 - babydaemons\u2019 blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","url":"https://babydaemons.hatenablog.com/entry/20110920/Rails3_on_Ubuntu","published":"2011-09-20 00:00:00","title":"Ubuntu\u3067Rails3\u306eexecjs\u304c\u4f8b\u5916\u3092\u6295\u3052\u305f\u3089","image_url":null,"description":"\u3069\u3093\u306a\u30a8\u30e9\u30fc\uff1f \u3053\u3093\u306a\u5177\u5408\u306b\u4f8b\u5916\u3092\u6295\u3052\u307e\u3059\u3002 $ ./script/rails server /usr/lib/ruby/gems/1.8/gems/execjs-1.2.7/lib/execjs/runtimes.rb:47:in `autodetect': Could not find a JavaScript runtime. See https://github.com/sstephenson/execjs for a list of available runtimes. (ExecJS::RuntimeUnavailable) from /usr/lib/ruby/gems/1.8\u2026","version":"1.0"}