Answers for "how to check which port is running in mac"

kill all server 5000 mac

#First run this, to get port information (with the port you want to kill)
sudo lsof -i :3000 

#Then run this, with <PID> replaced by the value in the column returned by previous command.
kill -9 <PID>

mac terminal find process by port

sudo lsof -i tcp:3000

port finding in macos

$ lsof -nP -iTCP -sTCP:LISTEN | grep 8000

running ports in mac

sudo lsof -PiTCP -sTCP:LISTEN

check all the ports in use mac

$ npx kill-port 3000 8080 8081

Process on port 3000 killed
Process on port 8080 killed
Process on port 8081 killed