$ sudo lsof -aPi -p 555
-p to specify the PID number;
-i to display only network devices;
-a to AND two conditions above (otherwise they will be ORed);
-P to display port numbers (instead port names by default).
$ sudo lsof -aPi -p 555
-p to specify the PID number;
-i to display only network devices;
-a to AND two conditions above (otherwise they will be ORed);
-P to display port numbers (instead port names by default).
本文标题：查看一个进程使用的端口
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