check port usage mac code example

Example 1: 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  replaced by the value in the column returned by previous command.
kill -9 

Example 2: mac terminal find process by port

sudo lsof -i tcp:3000

Example 3: running ports in mac

sudo lsof -PiTCP -sTCP:LISTEN

Example 4: 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