KodeKloud Blogs

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)

CKS

CKS Exam Guide: Overview, Tips, and Resources (2022)

Introduction Container technologies have come a long way and are here to stay thanks to Kubernetes. Containerized applications allowed organizations to reshape the way they serve software. Software infrastructures are now much cheaper to maintain due to fewer resources being used. Operation is also more consistent and stable. However, with

Kubernetes

7 Best Kubernetes Books of All Time in 2022

In the past few years, container technology has been rapidly adopted across all kinds of organizations. As a result, many businesses now run their services on Kubernetes, Google’s popular container management system. When companies adopt the DevOps way of doing things, Kubernetes is one of the preferred tools. Long

DevOps

What Is HashiCorp Vault and Why Should You Learn It?

Imagine you run an app that needs to log in to a database. Maybe it logs in with a username and secret password. Username: app_user Password: 3juf4foflw212s Where can the application store these login credentials? It might store them in a file. It might even store these in its

Kubernetes

Kubernetes v1.24 Stargazer: What's new?

Introduction Kubernetes v1.24 was released last May 24, 2022. In this article, we will go through notable changes, improvements, breaking removals, and deprecations. It should give you all the information you need to prepare your cluster for this upgrade. Significant Changes 1. Complete removal of Dockershim component Docker has

DevOps

How to Become a DevOps Engineer: Your 3-Step Guide

In today’s highly competitive IT environment, becoming a DevOps engineer is often an appealing option. A DevOps engineer has an average salary of $126,421 in the United States, and this role was one of the most in-demand IT professions in 2021. Along with its lucrative potential, a career

Learn Linux

10 Good Reasons Why You Should Use Linux

Linux is the most versatile operating system (OS) on the market today, being just as useful for artists as it is for web developers. But why use Linux, and what makes it so special? We answer all of these questions in the article below. What Is Linux? Linux is an

Cloud DevOps

What is Serverless & How Does it Work?

Serverless architectures can help you build scalable, cost-effective applications faster. They remove the burden of operating your own servers and leave you with APIs that you can use to trigger events when a user performs an action in your application or when new data is available. Because serverless also takes

Linux

Top 7 Reasons to Learn Linux

Back in the 2000s, Linux was already insanely popular on servers. Nowadays, it's insanely popular on servers, Internet of Things devices, smartwatches, smartphones, and let's not forget it powers almost all cloud services. But it takes a while to learn Linux. So you might be wondering, is it worth the

Docker

What Is the Difference between Docker, LXC, and LXD Containers?

Imagine you're a developer, writing a cool app for Linux servers. But some people run Ubuntu 20.04 on their servers. Others run 22.04. Others run an entirely different operating system such as Red Hat Enterprise Linux. So how do you make sure your app runs well on each

CKAD

What Is CKAD and Why Should You Consider Taking It?

Introduction Skills in container technologies are relevant now more than ever. According to The 10th Annual Open Source Jobs Report, Cloud and Container technologies make the top 1 rank in terms of in-demand skills for IT professionals and this upwards trend is seen to continue in the next decade. One

ubuntu

Should I Learn Ubuntu or Red Hat Enterprise Linux (RHEL)?

There's a debate in the Linux world that's half truth and half legend. And it can really interfere with a beginner that has just decided to learn about Linux system administration. The legend says that if one wants to learn a Linux-based operating system, they should learn Red Hat Enterprise

open source

The 10th Annual Open Source Jobs Report

Introduction The 10th Annual Open Source Jobs Report is here! For those of you who are not yet familiar, this report is conducted by the Linux Foundation annually and it provides insights that dig deep into the global technology and professional open-source trends each year through comprehensive analysis, surveys, and

Automation

What is GitOps and Why Developers Should Care?

GitOps is a methodology for deploying and managing software applications using Git. It is also referred to as "operations as code" or "code-driven operations," and it uses the principles of DevOps to streamline software updates across an organization. It basically uses a collaborative software development model involving Git and Kubernetes.

How to Learn Linux: Everything You Need to Know

Linux is an open-source operating system that is a preferred choice for many programmers due to its highly versatile and customizable nature. This guide will give you an introduction to how to learn Linux as well as give a sneak peek of what we cover in our full online Linux

Azure

What Is Azure DevOps: Everything You Need to Know

Azure DevOps is Microsoft’s software platform that provides the necessary support and resources for end-to-end software development and deployment. It does so using fully collaborative processes, allowing developers and project managers to work together across long distances thanks to cloud computing. The result is a DevOps process that is

How to Get Python Certification: The Step-By-Step Guide

Python is an in-demand skill that can dramatically boost your career. If you’re looking for work as a developer, you may want some credentials to prove your qualifications and improve your chances of getting hired. This step-by-step guide will teach you how to get your Python certification. We’ll

What Is Ansible and How Do You Use It?

IT professionals have to manage systems across multiple platforms. They often have to do things manually, taking up time and leaving room for errors. Thankfully, there are automation tools like Ansible. This post will go over what Ansible is, how it works, and how you can learn to use the

Success stories

LFCS Contest Winners - Part 6

Congratulations to all the Winners!! We are back with the Winners of the LFCS Contest. Below are the top performers of the LFCS contest for the June-end submissions. 🏆 Ioannis Giasiranis 🏆 Saran Raj 🏆 Kesavan Ganesan 🏆 Mohamed Musthak 🏆 Darren Lee Our LFCS course is designed to help you build those skills and

Docker and Kubernetes

Kubernetes Removed Docker. What Happens Now?

A while ago, Kubernetes announced that it was deprecating Docker. Actually, it was deprecating something called dockershim, and Docker alongside it. Roughly one year after the announcement, Docker was completely removed from Kubernetes. Now, Kubernetes is a container orchestrator. Its job is to pull in container images, start them, stop

Docker

Docker vs. containerd

A while ago Kubernetes announced that it was deprecating Docker. "Deprecated" is basically a tech word for "This will soon expire."; "Don't use this anymore, it will soon be removed." So how will Kubernetes run containers without Docker? With containerd, of course! Yes, Docker was replaced with something else, called

kubecon

KubeCon 2022 Europe - Hot Topics and Industry Trends

If you work with Kubernetes you already know that it's quite a complex and capable tool. There are literally thousands of different ways we can use it. So it can be a bit hard to keep up with everything going on in this space. Fortunately, an important conference revolving around

cncf

What Is the Cloud Native Computing Foundation?

Open-Source Free Software, What Is That? Before we can explore why the Cloud Native Computing Foundation was needed, we have to get a basic understanding about what open-source free software is, and how it's maintained. Let's take Linux as an example. Linus Torvalds wanted an operating system of his own

developer

Should I Become a Developer?

If you didn't study programming in school, it might feel like it's too late for you. It might seem that there's too much to learn and you're at a disadvantage. But that's not true. Pretty much anyone can learn how to code. Usually, people worry that the syntax and the

Kubernetes exam

CKAD, CKA, and CKS - New PSI Exam Environment

Introduction The Linux Foundation introduced significant updates in June 2022 with regard to the platform where we take the certification exams for Kubernetes including CKA, CKS, and CKAD. In Kubernetes certification exams, preparation is key and can be the deciding factor between a pass or a fail. In this article,