Kusal Tharindu

Why Containers Beat Running Apps Directly on the Host OS

Jun 28, 20265 min read20

How I Secured My Ubuntu 24.04 Server with SSH Key Authentication

Jan 20, 20268 min read11

Technical Debt in DevOps: What It Is and How to Manage It

A practical guide to identifying, measuring, and paying down technical debt in DevOps pipelines and infrastructure

Jun 28, 20265 min read25

How to Change the Default SSH Port on Ubuntu 24.04 (The Right Way)

Jan 19, 20265 min read106

How to Configure Cloudflare as a Dynamic DNS (DDNS) on Ubuntu Server 24.04 LTS

Jan 18, 20267 min read142

Fixing "Boot Failure" on Legacy BIOS Systems: Converting GPT to MBR for Older Hardware

Introduction If you're running Ubuntu Server on older hardware and experiencing a frustrating "Boot Failure" message despite having a working installation, this guide is for you. I recently encountered this exact issue on a Pentium Dual-Core E5700 sy...

Jan 18, 20269 min read34

How to Access Private AWS Resources: The Complete Guide to AWS Client VPN

If you work in a secure cloud environment, you have probably faced this problem: You need to access an EC2 instance or RDS database in a private subnet, but you are not allowed to create a Public IP. Maybe your organization has a Service Control Poli...

Jan 8, 20268 min read36

Installing the Elasticsearch and Kibana on Rocky Linux (part-01)

Kibana is a powerful visualization tool that integrates with Elasticsearch, offering insights into your data. This guide will help you install the latest versions of Elasticsearch and Kibana on Rocky Linux from scratch. Step 1: Update Your System Sta...

Sep 12, 20242 min read265

Errors during downloading metadata for repository 'kubernetes'

Are you encountering a 404 Not Found error while trying to update Kubernetes packages on your Linux system using the DNF package manager? This common issue can halt your updates and seems perplexing at first glance. But worry not! In this blog post, ...

Sep 12, 20243 min read231

Basic Troubleshooting of WSO2 Applications with WSO2 MI (Micro Integrator) Part-03

Basic Troubleshooting of WSO2 Applications with WSO2 MI (Micro Integrator) After addressing issues potentially arising from the Identity Server or Micro Gateway, the next critical component in your application architecture to troubleshoot is the Micr...

Sep 11, 20245 min read182

Mastering DevOps with the Twelve-Factor App

Introduction In the fast-evolving world of software development, organizations are continually seeking ways to enhance their processes, streamline operations, and deliver high-quality applications faster. This is where DevOps comes into play a cultur...

Sep 11, 202438 min read65

Command Palette

Latest articles