#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)sudo kill -9 `sudo lsof -t -i:9001`
kill -9 $(sudo lsof -t -i:8080)
sudo lsof -i tcp:80
#or
sudo lsof -t -i tcp:80 | sudo xargs killkill $(lsof -t -i:8080)
//kill port 8080// Option 1: if you have npm@5.2.0^ version
npx kill-port 8080
// Linux
kill -9 $(lsof -t -i tcp:8080)
// Windows command line:
for /f "tokens=5" %a in ('netstat -aon ^| find ":8080" ^| find "LISTENING"') do taskkill /f /pid %a
// Windows bat-file:
for /f "tokens=5" %%a in ('netstat -aon ^| find ":8080" ^| find "LISTENING"') do taskkill /f /pid %%a