Find the Process and PID using the Specific port in Ubuntu

Ubuntu is Linux Operating System so you need to have Root privilege to get the process information.

netstat command is used to show the ports and processes in Linux. 

netstat -nlp command is used to show the processes using network.

netstat -nlp

Now filter the process that using specific port.

netstat -nlp|grep 3000

(Not all processes could be identified, non-owned process info

 will not be shown, you would have to be root to see it all.)

tcp        0      0 0.0.0.0:3000            0.0.0.0:*               LISTEN      16698/node      

 

Here 16698 is the PID and node is the process.


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