Building modern web services and APIs in Go (Golang) often requires writing a repetitive amount of boilerplate code—setting up HTTP/REST routing, gRPC proto definitions, configuration management, d...
On-premise kubernetes cluster networking
Purpose of this article is to achive DNS connectivity with on-premise kubernetes cluster which doesn’t have Public IP/Gateway directly. Overview If you don’t have public ip on your on-premise clus...
Guidelines for logging and tracing
Purpose of this document is to Logging and Tracing Guidelines while developing application to avoid false alarm and do best practices. Core Log Levels & Span Statuses Effective observability r...
Enable 2FA on Ubuntu Desktop Login with TOTP verification using Google Authenticator
Purpose of this document is to enable two-factor authentication (2FA) on Ubuntu Desktop Login using Time-based One-Time Password (TOTP) verification with Google Authenticator. Why do we need 2FA? ...
Installation of i3 Window Manager with XRDP
Purpose of this article is to setup i3 window manager with xRDP protocol using simple steps. In the following guide, we will be using Ubuntu server Operating System and all the configuration will b...
Amazing way to enable login alert to remote server
Purpose of this article is to provide a simple and effective way to enable login alert to remote server using SSH and console login. Here we will use a simple script to send alert to multiple plat...
How to Use Systemd for Docker Compose
Purpose of this article to demonstrate how to use systemd for Docker Compose. What is systemd? Systemd is a system and service manager for Linux operating systems. It is designed to replace the tr...
Linux Unified Key Setup (LUKS) is a Best Disk Encryption in Linux
Purpose of this article is to explain the importance of LUKS encryption in Linux and how to use it. In this article, we will setup LUKS encryption in Linux and automatically mount the encrypted par...
Enable 2FA on SSH Login with TOTP verification using Google Authenticator
Purpose of this document is to enable two-factor authentication (2FA) on SSH login using Time-based One-Time Password (TOTP) verification with Google Authenticator. Why do we need 2FA? To enhance ...
AWK Cheatsheet with Examples
AWK is a powerful pattern scanning and processing command. It is especially useful for text and data extraction, manipulation, and reporting. Basic Syntax awk 'pattern { action }' file patte...