Learn DevOps, Kubernetes & AWS — Simplified
Practical tutorials, deep dives, and battle-tested guides for engineers who build and ship in the cloud.
By KP | TZoneLabs | DevOps & Cloud Engineering Here is something nobody tells you when you start in DevOps: the error message is almost never the problem. It is just the messenger. A pod crashes — you blame the application. An API times out — you blame the network. A deployment fails — you … Read more
By KP | TZoneLabs | DevOps & Cloud Engineering We were in the middle of a production scaling event when everything went quiet — in the worst way possible. No crash. No alert. No obvious Kubernetes error. Just pods stuck in Pending, GitHub Actions deployment jobs timing out, and the entire team staring at dashboards … Read more
The Kubernetes API is a critical component of the Kubernetes ecosystem, enabling users to interact with the Kubernetes system. It serves as an interface through which different parts of the Kubernetes cluster communicate, making it easier to deploy, manage, and scale applications efficiently. The API is RESTful, meaning it follows the principles of Representational State Transfer (REST), … Read more
Organizations managing sensitive applications must ensure secure communication to maintain data privacy, even within internal services. Achieving end-to-end encryption on Amazon EKS in a Kubernetes environment comes with its own set of challenges:
Ever feel the pain of constantly copying and pasting short-lived AWS credentials? It’s time-consuming, error-prone, and frankly, annoying. But fear not, there’s a better way! This guide will show you how to set up AWS Single Sign-On (SSO), a magical tool that lets you access your AWS accounts with just a single login, saving you … Read more
What is Serverless? To understand what AWS Lambda is, let’s first learn about serverless architecture. Serverless architecture is a way to build and use apps and services without worrying about handling infrastructure. Even though your app still runs on servers, you don’t have to deal with setting up the server’s operating system, fixing issues, or … Read more
Even seasoned developers can hit roadblocks when using Kubernetes. This article explores common pitfalls and best practices to help you navigate them smoothly. Not Setting Resource Requests : This deserves the most attention and first place in this list. CPU requests are usually either not set or set very low (so that we can fit a lot of pods … Read more
In this lab, we will get our hands dirty with a versatile method for GitLab installation that transcends OS dependencies. Explore how we leverage the power of Docker Engine in the below lab to achieve this streamlined and efficient setup. The prerequisites will be the same. check previous Gitlab installation post create a directory and … Read more
Introduction GitLab is a free tool that helps you store and manage your code, like a big digital filing cabinet. It also has extra features for keeping track of issues and tasks related to your code. You can set it up on your own computer system OR You can use it within your team for … Read more
Each lab corresponds to a module covered in the workshop and provides you with hands-on experienceworking with the NGINX core software. Pre-requisites Note – this workshop can be performed on local system (Laptop with linux based OS) Lab 1: Getting Started with NGINX login to the server and install nginx for Amazon EC2/ Centos for … Read more