Find process running on port: Difference between revisions

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== 相關資料 ==
== 相關資料 ==
* [http://puremonkey2010.blogspot.com/2010/11/windows-windows-netstat.html 程式扎記: [Windows 技巧] windows常用網路管理指令 - netstat]
* [http://puremonkey2010.blogspot.com/2010/11/windows-windows-netstat.html 程式扎記: (Windows 技巧) windows常用網路管理指令 - netstat]
* [https://stackoverflow.com/questions/3855127/find-and-kill-process-locking-port-3000-on-mac macos - Find (and kill) process locking port 3000 on Mac - Stack Overflow]
* [https://stackoverflow.com/questions/3855127/find-and-kill-process-locking-port-3000-on-mac macos - Find (and kill) process locking port 3000 on Mac - Stack Overflow]
* [https://stackoverflow.com/questions/34815425/how-to-find-all-the-listening-port-in-php sockets - How to find all the listening port in PHP? - Stack Overflow]
* [https://stackoverflow.com/questions/34815425/how-to-find-all-the-listening-port-in-php sockets - How to find all the listening port in PHP? - Stack Overflow]
* [http://www.techrepublic.com/blog/security/list-open-ports-and-listening-services/443 List open ports and listening services]
* [http://www.techrepublic.com/blog/security/list-open-ports-and-listening-services/443 List open ports and listening services]
* [http://www.cyberciti.biz/faq/find-out-which-service-listening-specific-port/ Linux / UNIX Find Out What Program / Service is Listening on a Specific TCP Port]
* [http://www.cyberciti.biz/faq/find-out-which-service-listening-specific-port/ Linux / UNIX Find Out What Program / Service is Listening on a Specific TCP Port]
* [https://errerrors.blogspot.com/2022/03/fix-control-center-occupy-port-5000-on%20mac.html 解決 Python Flask 網站伺服器無法啟動的問題 [Mac M1]]


== 參考資料 ==
== 參考資料 ==

Revision as of 10:45, 25 March 2022

Commands

  • Win Os windows.png netstat –na | find "<PORT>" e.g. netstat –na | find "4444" or netstat -a | find "3306" (note: require the double quote symbol, not single quote symbol) for Win Os windows.png [1]
  • macOS icon_os_mac.png
    • netstat -vanp tcp | grep 4444 or
    • lsof -i tcp:4444 or lsof -i :4444[2]
    • sudo lsof -i -P | grep LISTEN | grep :$PORT[3]
  • Linux Os linux.png CentOS7 netstat -na | grep <port> or ps -elf | grep <port>
## windows
## After running process on windows, and then input the command: netstat –na | find "4444"
  TCP    0.0.0.0:4444           0.0.0.0:0              LISTENING
  TCP    [::]:4444              [::]:0                 LISTENING

## mac
## After running process on mac, and then input the command: netstat -vanp tcp | grep 4444
tcp46      0      0  *.4444                 *.*                    LISTEN      131072 131072  15476      0 0x0000 0x00000006
tcp4       0      0  127.0.0.1.54419        127.0.0.1.4444         TIME_WAIT   408300 146988  15476      0 0x2031 0x00000000

## mac
## After running process on mac, and then input the command: lsof -i tcp:4444
COMMAND   PID  USER   FD   TYPE             DEVICE SIZE/OFF NODE NAME
java    15476 user    8u  IPv6 0x8eb77926a50f8a53      0t0  TCP *:krb524 (LISTEN)

問題排除

FIND: 參數格式不正確

問題: Win Os windows.png netstat –na | find 4444 輸入後遇到「FIND: 參數格式不正確」錯誤訊息。

解決方式: 請將 <port> 加上雙引號，例如: netstat –na | find "4444"


相關資料

參考資料

  1. ↑ Netstat
  2. ↑ lsof(8) - Linux manual page
  3. ↑ macos - Who is listening on a given TCP port on Mac OS X? - Stack Overflow
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