Kills a process running on a given port

killport.sh

#!/bin/bash

# Check if a port number is passed as an argument
if [ -z "$1" ]; then
  echo "Usage: $0 <port_number>"
  exit 1
fi

PORT=$1

# Find the process ID (PID) occupying the given port
PID=$(sudo lsof -t -i:$PORT)

# Check if a process is found
if [ -z "$PID" ]; then
  echo "No process is occupying port $PORT."
  exit 0
fi

echo "Process ID $PID is occupying port $PORT."

# Kill the process
kill -9 $PID

if [ $? -eq 0 ]; then
  echo "Successfully killed process $PID."
else
  echo "Failed to kill process $PID."
fi