Blog


Kubebuilder Admission Webhook for Core Types

We will walk through the process of deploying an Admission Webhook for Core Types using Kubebuilder to enforce custom policies and validations on resource creation and updates.

Kubernetes Object Configuration with Kustomize

A concise guide sheet for effectively using Kustomize, a tool designed to customize Kubernetes objects swiftly and efficiently.

A Guide to CA, CSR, CRT, and Keys (Digital Certificates)

Underestanding Certificate Authorities (CA), Certificate Signing Requests (CSR), Certificate (CRT), and the dynamic duo of public and private keys using illustrative examples

Deploy a Local Kubernetes Webhook Server

In this blog post, we deploy a local webhook server and configure how to proxy traffic and generate self-sign certificates

Doulingo French Course Content

In this series of pages, I will be sharing the Duolingo French Course materias as I progress in the course. Join me on this journey!

Linux iptables Reference Guide with Examples

Similar to numerous other existing iptables cheat sheets, I'll compile the fundamentals of iptables here for easy reference. I focus on brevity and examples.

Configuring sFlow on Dell Switch with OS9

In this blog post, I'll guide you through the sFlow configuration of a Z9100 100G Dell Switch running OS9. We'll also explore how to redirect the traffic to be consumed on other machines using iptables

Configuring WebDAV Access for Zotero on Ubuntu

Zotero is fantastic; it has significantly enhanced my reading experience. If you read a lot of papers across various devices, I encourage you to use Zotero. Let's discover the power of Zotero through WebDAV integration for seamless syncronization between multiple devices!

Dell Switch Configuration Commands

Dell Switch Configuration Commands Cheat Sheet (tested on Dell S3048, S4048 and Z9100)

Route Traffic through a Private Network using Dynamic Port Forwarding and Proxy SwitchyOmega

We investigate how to route your browser's traffic through a private network.

Access to the SAVI using CLI

SAVI (Smart Application on Virtual Insfrastructure) is a partnership of Canadian industry, academia, research and education networks, and high-performance computing centres. This is a quick tutorial on how to get started with SAVI using CLI.

Connect to Existing Running Desktop Session using x11vnc

Install x11vnc in ubuntu 18.04 and connect to existing running X session desktop

Install Ubuntu 20.04 via PXE UEFI Setup

Install and Boot Up Ubuntu 20.04 via PXE UEFI.

Migrate a Single WordPress site to Multisite WordPress System Using WP CLI

How to transfer and migrate a single WordPress site manually using WP CLI to a multisite WordPress.

Access to the SAVI using Web Portal

SAVI (Smart Application on Virtual Insfrastructure) is a partnership of Canadian industry, academia, research and education networks, and high-performance computing centres. This is a quick tutorial on how to get started with SAVI using web portal.

Run PyCharm IDE over SSH using Remote Host Interpreter

If you have a Linux VM running on the VirtualBox you can access it using SSH from your local machine and execute python codes using PyCharm IDE using SSH interpreter.

Reverse SSH to Access Hosts Behind the NAT

How to connect to a Linux system in your home or behind the NAT when you do not have a public IP?

VNC Server in Ubuntu 16.04, 18.04 and CentOS 7

Install TightVNC server in ubuntu 16.04, 18.04 and CentOS 7

Create an Overlay Network in Ubuntu using Open vSwitch (OVS)

How to create an overlay network in Ubuntu in four easy steps with Open vSwitch (OVS)? By creating an overlay network, you can have an extra interface attached to your system with any arbitrary IP that you would like. You can also join other machines to this network and have connectivity between all of them using the overlay IPs.