{"categories":[],"height":"190","title":"ruby:2.5.2-slim \u3067 gem \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306b\u5931\u6557\u3059\u308b\u4ef6","description":"/etc/hosts \u306b 0.0.0.0 \u306b\u95a2\u3059\u308b\u8a18\u8ff0\u304c\u306a\u304b\u3063\u305f\u306e\u3067\u8ffd\u52a0\u3057\u305f\u3089\u3046\u307e\u304f\u3044\u3063\u305f 0.0.0.0 localhost localhost.local \u304a\u304d\u3066\u3044\u305f\u30a8\u30e9\u30fc Errno::EADDRNOTAVAIL: Failed to open TCP connection to index.rubygems.org:443 (Cannot assign requested address - connect(2) for \"index.rubygems.org\" port 443)","blog_url":"https://tomlla.hateblo.jp/","published":"2018-11-15 16:23:28","author_url":"https://blog.hatena.ne.jp/tomlla_92/","width":"100%","provider_url":"https://hatena.blog","type":"rich","version":"1.0","blog_title":"tomlla toml tomlion","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftomlla.hateblo.jp%2Fentry%2F2018%2F11%2F15%2F162328\" title=\"ruby:2.5.2-slim \u3067 gem \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306b\u5931\u6557\u3059\u308b\u4ef6 - tomlla toml tomlion\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","author_name":"tomlla_92","url":"https://tomlla.hateblo.jp/entry/2018/11/15/162328","image_url":null}