Category: Uncategorized
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Continuing my Kubernetes series, this post covers storage – one of the trickier concepts to grasp when starting with Kubernetes. Understanding how containers handle data, the difference between ephemeral and persistent storage, and how Kubernetes manages volumes is crucial for running stateful applications. Before diving into Kubernetes storage, let’s look at how Docker handles storage…
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Continuing my Kubernetes series, this post dives into security – one of the most critical aspects of running a production cluster. From authentication and authorization to network policies and securing containers, understanding these concepts is essential for protecting your cluster and workloads. Security in Kubernetes starts at two levels: Secure the hosts – Basic security…
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Continuing my Kubernetes series, this post covers how to manage applications throughout their lifecycle – from deployments and updates to configuration and scaling. I’ll also dive into cluster maintenance tasks like upgrades and backups as well as other topics such as Scaling These are critical topics for keeping your applications running smoothly and your cluster…
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Continuing my Kubernetes series, this post focuses on scheduling – how Kubernetes decides where your pods actually run – along with monitoring and logging to keep track of what’s happening in your cluster. Understanding these concepts gives you control over pod placement and visibility into your cluster’s health. Scheduling Manual Scheduling By default, Kubernetes uses…
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Understanding Cluster Architecture I’ve been working through Kubernetes fundamentals in my preparation for the CKA and wanted to document what I cover as I go through my studies. This is the first in a series where I’ll break down Kubernetes piece by piece. Starting with the Core Concepts within Kubernetes The Cluster: Nodes and Their…
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Understanding the Linux Boot Process: From Power Button to Login Ever wonder what actually happens when you hit the power button on a Linux system? I’ve been diving into the boot process lately and figured I’d break down what’s happening behind the scenes. It’s one of those fundamental topics that helps you troubleshoot issues and…
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Building a Full DevOps Pipeline: From Dev Container to Production Recently wrapped up a project that took me through the complete DevOps lifecycle. The goal was simple: understand how all these pieces fit together in a real workflow. From setting up a development environment to deploying to production with GitOps, here’s how it all came…
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I’ve recently been studying for the AWS SAA and coming from a mostly on Prem or virtual environment I noticed how many of the services I’m reviewing have such great use cases, or the function of the services and how they correlate to previous existing functions. Don’t get me wrong, I don’t see everything about…
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For the longest time, I’ve always for the longest time seen cool projects by my fellow Admins and Engineers. Building their own servers, homelab, applications etc. I thought to myself why not me. I figured too much time commitment, hardware commitment, what would I create or build etc. I realized those were just excuses, if…
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My Takeaways from Kubernetes Fundamentals I recently just wrapped up a Kubernetes fundamentals course and wanted to share some of the key concepts that stuck with me. If you’re just getting started with Kubernetes like I am, hopefully this helps clarify some things. The biggest thing I learned early on: everything in Kubernetes is defined…
HasnainWaris 