How to check the process port in Linux

1. First check the process pid

ps -ef | grep 进程名

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ps command The following 4 columns of information are displayed by default:

PID: The process number of the running command (CMD)

TTY: The location (terminal) where the command is run

TIME: Running The CPU processing time occupied by the command

CMD: The command run by the process

2. Then check the occupied port through pid

netstat -nap | grep 进程pid

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