niloysh

################################################################
# Vagrantfile for libvirt/KVM with Ubuntu 22.04
################################################################


# Vagrant + libvirt: Ubuntu 22.04 with NAT (default).
Vagrant.configure("2") do |config|
  # Base box
  config.vm.box = "generic/ubuntu2204"

niloysh

#!/usr/bin/env bash
# k8s-tools.sh - Install a bunch of useful Kubernetes tools and helpers.
# Installs:
#  - metrics-server (patched with --kubelet-insecure-tls)
#  - krew + kube-capacity (kubectl resource-capacity)
#  - helper commands in ~/bin: kx (exec), kl (logs), kc (capacity), kcp (copy)

# Author: Niloy Saha
# Date: 2024-06-20

niloysh

#!/bin/bash
# ==============================================================================
# Script Name: interface-monitor.sh
# Purpose:     Monitor TX/RX throughput and packet rate on a network interface
# Author:      Niloy Saha
# Date:        2025-08-20
# ==============================================================================
#
# Description:
# This script monitors a specified network interface and displays:

niloysh

#!/usr/bin/env python3
"""
vagrantbox_sshcfg.py -- Generate SSH config snippets for Vagrant VMs on remote hosts.

Config file lines (whitespace separated):
    <alias> <remote_user> <remote_host> <vagrant_dir> <vm_name>

Example:
    box1 vagrant remote1.example.com /path/to/vagrant1 default
    box2 vagrant remote2.example.com /path/to/vagrant2 web

niloysh

#!/usr/bin/env python3
"""
vxlan_topo.py — Interactive OVS+VXLAN topology deployer. This creates an overlay
network using Open vSwitch and VXLAN tunnels between multiple Linux hosts.

Usage:
  python3 vxlan_topo.py topo.json
  python3 vxlan_topo.py topo.json --teardown [--remove-bridges] [--show-ovs] [--add-ips] [--ping-test]

niloysh

#!/bin/bash
set -euo pipefail

# ==============================================================================
# Script Name: cu-offload-bridge.sh
# Purpose:     Automate CU offloading by bridging eth2 to n3br for GTP-U traffic
# Author:      Niloy Saha
# Date:        2024-08-14
# ==============================================================================
#

niloysh

apiVersion: v1
kind: Pod
metadata:
  name: ubuntu
  labels:
    app: ubuntu
spec:
  containers:
  - image: ubuntu
    command: