kill open 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: kill process running on port 80
# shows information on Processes running on port 80 with PIDs
$: sudo lsof -i tcp:80
$: sudo lsof -t -i tcp:80 | sudo xargs kill