{"provider_url":"https://hatena.blog","height":"190","description":"Ubuntu (20)https://techacademy.jp/magazine/19901 apt install ruby-fullruby --version vim hello.rbprint \"Hello World!\\n\" ruby hello.rb --vim web.rb require 'webrick' op = { BindAddress: \"192.168.137.167\", Port: 8080, DocumentRoot: \".\" }s = WEBrick::HTTPServer.new(op)s.start vim index.html<!DOCTYPE ht\u2026","published":"2020-08-29 15:24:03","provider_name":"Hatena Blog","image_url":null,"version":"1.0","author_url":"https://blog.hatena.ne.jp/HTN20190109/","blog_url":"https://htn20190109.hatenablog.com/","categories":["OS"],"blog_title":"HTN20190109\u306e\u65e5\u8a18","type":"rich","width":"100%","url":"https://htn20190109.hatenablog.com/entry/2020/08/29/152403","title":"Ruby\u3067Hello World","author_name":"HTN20190109","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2020%2F08%2F29%2F152403\" title=\"Ruby\u3067Hello World - HTN20190109\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}