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  1. #netstat命令
  2.  
  3. netstat -an | grep 3306
  4.  
  5. 3306替换成需要grep的端口号
  6.  
  7.  
  8. #lsof命令
  9. 通过list open file命令可以查看到当前打开文件,在linux中所有事物都是以文件形式存在,包括网络连接及硬件设备:
  10.  
  11. lsof -i:80
  12.  
  13. -i参数表示网络链接,:80指明端口号,该命令会同时列出PID,方便kill
  14.  
  15. 查看所有进程监听的端口:
  16.  
  17. sudo lsof -i -P | grep -i "listen"
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