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Anand B Pillai pythonhacker

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New Beginnings
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pythonhacker / toggle_displays.sh
Created January 29, 2022 13:26
Toggle Laptop and Monitor Display automatically
#!/bin/bash
# Use this script if you have an external monitor (HDMI) and want that as primary display
# but switch to the laptop monitor (eDP) when the external monitor is off (power off or otherwise)
# Guess if you have the external monitor attached to a UPS device, you don't need this script...!
# Detect when monitor is powered off and switch the laptop display back on
# and vice-versa, keeping the external monitor as primary display whenever
# possible.
function get_laptop_display() {
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pythonhacker / uuid-gen.sh
Last active February 15, 2022 15:22
A pure bash function for creating UUIDs with no dependencies
function uuidgen() {
chunks=(4 2 2 2 6)
elems=()
for c in ${chunks[@]}; do
hex_chunk=$(xxd -l $c -p /dev/urandom)
elems+=( $hex_chunk )
done
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pythonhacker / test_password_has_argon2i.go
Last active October 6, 2023 14:30
Testing password hashing using Argon2id cryptographic password hashing algorithm
// Storing cryptographic password hashes in database or memory
// and comparing with password.
package main
import (
"log"
"errors"
"strings"
"crypto/subtle"
"encoding/base64"
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pythonhacker / k3s+letsencrypt+ingress.md
Last active November 1, 2024 12:55
Ingress Setup for K3S with TLS (letsencrypt)

Comprehensive Guide: Adding SSL Certification to Your k3s Cluster

Hello there! Today, we're diving deep into the process of adding SSL certification to services deployed on a k3s cluster. By the end of this guide, you'll be able to securely serve your services over HTTPS, enhancing the security of your applications.

Table of Contents

  1. Introduction
  2. Prerequisites
  3. Installing cert-manager
  4. Creating an Issuer or ClusterIssuer