DevOps

A collection of 86 posts

coding

Does DevOps or Cloud Engineer Need Coding?

If you're considering a career as a DevOps or cloud engineer, you might be asking yourself, "Do I need to know how to code?" Before we answer this question, let’s take a moment to understand the core responsibilities of each role. What Does a DevOps Engineer Do? In the

Kubernetes Services

ClusterIP vs NodePort vs LoadBalancer: Key Differences and When to Use Them?

In Kubernetes, there are three commonly used Service types: ClusterIP, NodePort, and LoadBalancer. These Services provide different ways to make Pods accessible to other Pods within the cluster, as well as to clients outside of it. In this blog post, first, we’re going to talk about Kubernetes Services — what

Twelve-Factor App

What is 12-Factor App? Twelve Factor App Methodology Explained.

In the past, standalone applications were the most common way to deliver software. These applications were installed and run on the user's local computer, without requiring external resources. However, over the years, there has been a significant increase in the use of web technologies, leading to the delivery of software

Docker

Docker Exec: How to Enter Into a Docker Container's Shell?

Docker is a platform that helps run applications inside containers. Once you have your application running in a container, you might want to carry out some tasks that require you to get inside the container. For example, you might want to modify files or directories, install new packages, or perhaps

Kubernetes

What Are Objects Used for in Kubernetes? 11 Types of Objects Explained.

Kubernetes is a container orchestration tool, used to deploy & manage containerized applications in an automated way. One of the key concepts in Kubernetes is the "desired state," which refers to the configurations of the applications that you want to deploy and run. Essentially, it's the way you want your applications

Kubernetes

What Is Kubernetes Headless Service (With Examples)?

Kubernetes is a powerful platform for managing containerized applications. And one of its crucial components is the Service object, which enables communication (networking) between different parts of an application. In this blog post, we will dive into the concept of headless Services. We will find out what they are, how

Kubernetes

Kubernetes Services: Definitions & Examples (2023)

Kubernetes is a platform that helps you run your containerized applications on a massive scale. And a key aspect of this is making sure that different parts of your apps can easily communicate with each other. Kubernetes does this by using Kubernetes Services. These Services not only allow smooth communication

Kubernetes

What Are Kubernetes KEPs?

Kubernetes is a popular container orchestration platform, which is constantly evolving and expanding. New features are regularly added to improve its capabilities and address the changing needs of its users. So, how does a new feature make it into Kubernetes? Well, it all starts with a Kubernetes Enhancement Proposal (KEP)

Kubernetes

Kubernetes Networking: Fundamental Concepts Explained (2023)

Networking is the backbone of modern technology. It's what allows communications between devices and applications, whether they're sitting next to each other or on opposite sides of the world. Essentially, networking is all about connecting things together. In the context of Kubernetes, networking is even more important. Kubernetes is a

DevOps

DevOps vs Agile - What’s the Difference?

If you are in the tech industry, you have probably heard the terms "DevOps" and "Agile" thrown around a lot. But what do they actually mean, and how are they different? Don't worry, that's what we are here to explore today. In this post, we will start by discussing what

Containerization

Docker Containerization: Key Benefits and Use Cases

Containerization has revolutionized the way we deploy software. In this post, we will learn about containerization, its benefits, and its common uses. We will also see how it is related to Docker, a popular container platform. By the end, you will have a good understanding of containerization and its role

Docker

Docker Architecture Explained: Docker Client, Docker Daemon & Docker Registry

Docker is a platform that helps you run your application in a container. A container is sort of like a virtual machine, but much more lightweight and easier to set up. The idea is that you package up your application and all of its dependencies into a container, and then,

how to learn devops

What Are DevOps Engineer Roles and Responsibilities in 2023?

In this blog post, we will dive into the various roles and responsibilities of a DevOps engineer. Understanding the roles and responsibilities in DevOps can help you identify areas where you can develop your skills and grow in your career. What Is DevOps? The word "DevOps" is a combination of

WebAssembly

Complete Docker + Wasm Tutorial: From C++ Code to Wasm Container

In our previous lesson, we talked about the Docker + Wasm integration. Theory is always helpful, but nothing beats experience! So let's demystify some concepts, by actually seeing all of this in action. What will we see? Well, pretty much everything. To learn more about Wasm, check out our video What

wasm

What Is WebAssembly and Docker + Wasm? An in-depth look.

On October 24th, 2022, we received some pretty big news: Docker got official support for running WebAssembly applications. But if you're unfamiliar with WebAssembly (also called Wasm), this might leave you confused. Why is this big news? What is Wasm? Why is it so important for Docker? Want the short

DevOps

Why Should You Learn HashiCorp Terraform?

Software applications run on top of infrastructure. This includes things like servers, databases, storage, networking, and other infrastructure components. Imagine you are an employee tasked with setting up a new web server for your company's website. Let’s consider a manual infrastructure provisioning scenario. You would have to configure the

kubernetes tutorial

Kubernetes Tutorial for Beginners

Introduction So you've decided to learn about Kubernetes. It's certainly a wise choice. Many companies use this software platform. So it can help a lot, career-wise, to know how to use it. But Kubernetes is quite large, complex, and extensible. There are literally thousands of things you can do with

Kubernetes

Kubernetes Terms: Pods, Containers, Nodes & Clusters

In DevOps, Kubernetes is a container orchestration tool. It is used to deploy & manage containerized applications in an automated way. Want to learn more about how Kubernetes works? Check out this video. So, what does the term “containerized” mean? A containerized application is an application that has been packaged as

Puppet

What is Puppet in DevOps?

Let’s talk about software deployment. Before we can deploy an application and make it available to its users, we must complete two steps: First, we provision the infrastructure, which is the set of hardware & software components that support the application’s development, testing, and deployment. Provisioning means setting up

Kubernetes

Kubernetes Features Every Beginner Must Know

Kubernetes being the buzz around has made enormous noise in the recent few years because of out of the box features it provides to the companies. It has become a de-facto tool for container deployments on the cloud for the firms around the globe; it has opened up a whole

DevOps Community

Join the Most Vibrant DevOps Community with KodeKloud

So you've decided to learn about DevOps tools and practices. You've found out about KodeKloud's easy to understand video courses. You're watching those, and everything goes smoothly. But now it's practice time! You roll up your sleeves and start to try it all yourself. You install tools, you edit configuration

open source

Practical Open Source with Open Student Communities

Open communities lie at the heart of open-source practices. Communities act like fuel to the engine which drives open innovation. Open communities are built on the principle of collaboration. Such a collaboration is more often the result of shared interest and vision. These communities could be large and distributed across

Docker certification

The Ultimate Docker Certification (DCA) Guide for 2023

Why Get a Docker Certification? With a rising pattern of organizations adopting Cloud services, Docker continues to gain popularity. At its core, Docker aids in containerization, that is, for the packaging of applications into modules that can easily be replicated and scaled independently. Unarguably, as more applications are moving to

DevOps

Why Are DevOps Salaries so High? (Over $130,000 / year)

Intro In 2022, the average salary in DevOps is well over $130,000 per year. Of course, that's the salary in rich countries like the US. But the thing is, it does not matter where you are located in the world. DevOps practices are very easy to implement from a

Kubernetes Learning

Kubernetes Learning Curve: How Hard It is to Learn K8s?

Introduction Kubernetes has been around for quite some time. Since then, it has revolutionized the way companies serve their applications to their clients. An app in a container is easy to move around. And it's also easy to clone. Kubernetes can create more containers with that app inside (scale up)