Posts

All the articles I've posted.

• Terraform - Create and SSH into an AWS EC2 Instance Using Terraform (Free Tier Guide for Beginners)

  Published: 5 Jun, 2025

  How to create and SSH into an Amazon EC2 instance using Terraform — completely within AWS Free Tier limits. We’ll cover essential Terraform setup, defining AWS resources, adding a security group for SSH access, and outputting the public IP for easy login. Perfect for beginners looking to get hands-on with Infrastructure as Code (IaC)!

• Docker, Kubernetes, and OpenShift Cheat sheets

  Published: 2 Jun, 2025

  Cheatsheet of docker and Kubernetes.

• Kubernetes Basics

  Published: 1 Jun, 2025

  what container orchestration is. explore how developers can use container orchestration to create and manage complex container environment development lifecycles. Kubernetes is currently the most popular container orchestration platform. You’ll examine key Kubernetes architectural components, including control plane components and controllers. Explore Kubernetes objects, and learn how specific Kubernetes objects such as Pods, ReplicaSets, and Deployments work. Then, learn how developers use the Kubernetes command line interface (CLI), or “kubectl” to manipulate objects, manage workloads in a Kubernetes cluster, and apply basic kubectl commands. Dfferentiate the benefits and drawbacks of using imperative and declarative commands. use the kubectl CLI commands to create resources on an actual Kubernetes cluster. Kubernetes CLI to create a Kubernetes pod, create a Kubernetes deployment, create a ReplicaSet and see Kubernetes load balancing in action.

• Managing Applications with Kubernetes.

  Published: 30 May, 2025

  explore ReplicaSets, autoscaling, rolling updates, ConfigMaps, Secrets, and service bindings, and learn how you can use these capabilities to manage Kubernetes applications. learn how ReplicaSets scale applications to meet increasing demand, and how autoscaling creates dynamic demand-based scaling. how to use rolling updates to publish application updates and roll back changes without interrupting the user experience. learn how to use ConfigMaps and Secrets to provide configuration variables and sensitive information to your deployments and to keep your code clean. scale and update applications deployed in Kubernetes.

• How To Install and Configure Ansible on Ubuntu.

  Published: 28 May, 2025

  Install and configure Ansible on Ubuntu, set up communication with virtual machines (VMs) as managed nodes, and execute your first automation playbooks.

• First Database Project - Setting Up & Managing MySQL/MariaDB on Linux, Database Dump, Backup and Restore

  Published: 25 May, 2025

  Dive into this practical assignment to learn how to install and secure MariaDB on your Debian Linux system. Covering database creation, user management, remote connectivity, and essential dump, backup/restore operations.

• Connect to Your Linux VM via SSH- Guide to Secure Remote Access and Key-Based Authentication

  Published: 24 May, 2025

  learn how to connect to your Linux Virtual Machine (VM) terminal from an external via SSH. Also Set up SSH key-based authentication.

• 🐧💻 Linux Directories & Config Files Demystified - What Every DevOps Should Know

  Published: 23 May, 2025

  Ever wondered what all those directories and config files in Linux actually do? This comprehensive guide breaks down the Linux filesystem hierarchy, explaining every important directory, subdirectory, and configuration file—along with their purposes and functions. Whether you're a Linux newbie or a seasoned sysadmin, this post will help you master the Linux filesystem!