Network debug 方法

markdown ## linux 環境下 查詢所有 process ``` ps ``` 輸出 ``` PID TTY TIME CMD 21968 ttys000 0:00.16 -bash ``` 查詢 port 3000 被誰占用 ``` lsof -i :3000 ``` 輸出 ``` COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME ruby 20308 etrex 25u IPv4 0xd000000000000 0t0 TCP *:hbci (LISTEN) ``` 刪除某個 process ``` kill 20308 ``` 強制刪除某個 process ``` kill -9 20308 ``` ## 參考文件 kill process:[https://blog.gtwang.org/linux/linux-kill-killall-xkill/](https://blog.gtwang.org/linux/linux-kill-killall-xkill/)