sudo kill -9 `sudo lsof -t -i:9001`
sudo kill -9 `sudo lsof -t -i:3002`sudo kill -9 `sudo lsof -t -i:8080`sudo lsof -t -i:9001sudo kill 'sudo lsof -t -i:9001'
fuser -k -n tcp 3000
fuser -n tcp -k 4000
fuser -n tcp -k 9001
kill -9 $(sudo lsof -t -i:'portName')
//Ex. if portname is 3000
//then we will execute "kill -9 $(sudo lsof -t -i:3000)"//killing localhost port
//search the port to see its id
lsof -i tcp:3000
//kill the port by its PID number
kill -9 PIDfuser -n tcp -k 9001fuser -n tcp -k 9001fuser -n tcp -k 9001fuser -n tcp -k 9001Kill specific port