npmのhttp-serverがポート番号重複で起動できない問題への対処 ref: http://qiita.com/suneo3476/items/09a7a13111cbc0ba2d36

file0.txt

C:\Users\anonymous\dev>http-server
events.js:141
      throw er; // Unhandled 'error' event
      ^

Error: listen EADDRINUSE 0.0.0.0:8080
    at Object.exports._errnoException (util.js:837:11)
　 （省略）
    at node.js:951:3

file1.txt

netstat -aon | find "8080"

file2.txt

TCP    ***.***.***.***:* 0.0.0.0:8080             LISTENING       (数字)

file3.txt

taskkill /PID /F (数字)

file4.txt

Starting up http-server, serving ./static/pages
Available on:
  http://192.168.24.52:8080
  http://192.168.56.1:8080
  http://127.0.0.1:8080
Hit CTRL-C to stop the server
[Fri Dec 02 2016 15:11:10 GMT+0900 (東京 (標準時))] "GET /" "Mozilla/5
.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chro
me/54.0.2840.99 Safari/537.36"