After that run ls -l /proc//exe to get some process details. kill -9 sudo kill $(sudo lsof -t -i:3000) in place of 3000 you can specify your port number.
Is this a known problem? Are there any workarounds? OS X El Capitan Node v7. Kill the process running on a given TCP port on Windows, Linux and Mac. This command killed a process named ssh-agent that was running on our system. For example, block an abusing IP address called 1.
Most likely it is Webpack running and serving your frontend on localhost and the node app that serves the REST API your frontend is connecting to. Since port 4000 is not being used in my system, I choose to open port 4000. In order to kill a processes accessing a file or socket, employ the -k or -kill option like so: $ sudo fuser -k. Ex: lsof -i tcp:3000 then say you want to kill the process 5393 (PID) running on port 3000, you would run "kill -9 5393" hi, i would like to create a bash script that check which port in my Linux server are closed (not in use) from a specific range, port range (3000-3010). zzz # Open TCP SSH PORT for SG_OFFICE 22/tcp ALLOW 35. 2018 or services are running on 3000, sometimes, a simple lsof -i:3000 should find those processes. When connection to the VM using ssh i am able to confirm that my web app is running by typing. By default, if you did not specify the protocol, the port will open for both TCP and UDP protocols. If the requirement is to kill all processes that a specific user owns, then you can use the -u option provided by killall.
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