how to kill a port in use code example

Example 1: kill app at 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: kill process on port windows

netstat -ano | findstr "PORT_NUMBER"

taskkill /PID PORT_NUMBER /f

Example 3: port already in use windows 10

netstat -ano | findstr :3001
taskkill /PID <yourid> /F

Example 4: stop a process running on a port

# Print PID of process bound on that port.
fuser 8080/tcp

# Kill that process
fuser -k 8080/tcp

Example 5: close all localhost connections

netstat -ano | findstr :yourPortNumber

taskkill /PID typeyourPIDhere /F

Example 6: kill port

kill $(lsof -t -i:8080)