新手问题 thin server thread 问题
rails s
Booting Thin
=> Rails 3.2.11 application starting in development on http://0.0.0.0:3000
=> Call with -d to detach
=> Ctrl-C to shutdown server
A server is already running.
昨晚已经关机，为什么会已经有 server 在跑啊，已经我该怎么找到这个 thread，然后再杀掉呢，大神们，求解！
