shortcut to kill a specific port

killport-shortcut.sh

# Usage
# 1 - add below snippet on your bashrc/zshrc
# 2 - call it by "killport 4000"
# 3 - profit

killport() {
  port=$(lsof -n -i4TCP:$1 | grep LISTEN | awk '{ print $2 }')
  kill -9 $port
}