Tuesday, 31 July 2018

Finding the process that is using a certain port in Linux


I'd like to be able to find out which process is currently using a certain port in Linux. Is there any way to do this?



Answer



You have a couple of options:


lsof -i tcp:80

will give you the list of processes using tcp port 80.


Alternatively,


sudo netstat -nlp

will give you all open network connections.


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