Find processes using a port and kill them

killport.sh

killport() {
  if [ $# -ne 1 ]; then
    echo "Missing port number: killport <port_number>"
    return 1
  fi

  local processes="$(sudo lsof -ti:$1)"
  if [ -z "$processes" ]; then
    echo "No process found for port $1"
    return 1
  fi

  echo "$processes" | xargs sudo kill -9
  echo "Killed process(es) bound to port $1"
}