HTN20190109 https://blog.hatena.ne.jp/HTN20190109/ HTN20190109の日記 https://htn20190109.hatenablog.com/ OS 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… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2020%2F08%2F29%2F152403" title="RubyでHello World - HTN20190109の日記" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2020-08-29 15:24:03 rich https://htn20190109.hatenablog.com/entry/2020/08/29/152403 1.0 100%