how to kill a process using a specific port code example

Example 1: kill process on port

#To list any process listening to the port 8080:
lsof -i:8080

#To kill any process listening to the port 8080:
kill $(lsof -t -i:8080)

#or more violently:
kill -9 $(lsof -t -i:8080)

Example 2: cmd kill process on port

## check and kill used "ports"
netstat -ano | findstr :8080
taskkill /PID <yourid> /F

Example 3: kill a process at a port

fuser -k 8080/tcp

Example 4: kill process on port

lsof -i:3000           // Change 3000 to whatever your port is!
sudo kill 9 <PID>      // Change <PID> to the Pid number the above command returns