Answered by : fancy-fox

kill -9 $(lsof -i tcp:3000 -t)

Source : https://stackoverflow.com/questions/4473229/rails-server-says-port-already-used-how-to-kill-that-process | Last Update : Tue, 21 Apr 20

Answered by : dangerous-dogfish-5wma8xsg2f6n

npx kill-port 8080

Source : https://stackoverflow.com/questions/39632667/how-do-i-kill-the-process-currently-using-a-port-on-localhost-in-windows | Last Update : Sat, 26 Sep 20

Answered by : ram

lsof -wni tcp:3000
kill -9 PID

Source : https://stackoverflow.com/questions/4473229/rails-server-says-port-already-used-how-to-kill-that-process | Last Update : Wed, 13 May 20

Answered by : depressed-dragonfly-9kd1a1xjx98t

sudo lsof -iTCP:8080 -sTCP:LISTEN

Source : https://superuser.com/questions/1411293/how-to-kill-a-localhost8080 | Last Update : Sat, 22 May 21