Kubernetes Learning Kubernetes Learning Curve: How Hard It is to Learn K8s? Kubernetes is an essential tool for managing containerized applications. It allows for efficient deployment, scaling, and management of containerized workloads across a distributed system. Without Kubernetes, it can be challenging to manage the complexity of modern application architectures and ensure that our applications are running smoothly and efficiently. By using
CKS CKS Exam Guide: Overview, Tips, and Resources (2023) 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
DevOps What Is Hashicorp Vault & How Does Vault Work? Imagine you run an app that needs to log into a database. Maybe it logs in with a username and secret password. What's the best place to store these login credentials? It might store them in a file or include them in the code. Furthermore, what if you
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
Cloud DevOps What is Serverless & How Does it Work? Serverless architectures help you build scalable, cost-effective applications faster. They remove the burden of operating your own servers and allow you to focus on developing your app instead of building out infrastructure. However, serverless architecture presents its own set of challenges and considerations that are unique from other architectures. This
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, and smartphones, and let's not forget it powers almost all cloud services. According to recent statistics, there are about 32.8 million Linux users
open source The 10th Annual Open Source Jobs Report 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 company
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
Linux How to Learn Linux in 2023 (with Resources) Linux is an open-source operating system that’s highly versatile and customizable. It is often used in server environments due to its reliability and security features. It is particularly popular among developers and IT professionals, who appreciate its flexibility, stability, and versatility. This article will cover why you should learn
Python 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
Ansible 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 cover what Ansible is, how it works, and how you can learn to use the platform.
Docker and Kubernetes Kubernetes Dropping Docker: What Happens Now? A while back, 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. In this blog post, I'll explain why this happened and the impact it's
Docker Docker vs. Containerd: A Quick Comparison (2023) A while back, Kubernetes announced that it would be replacing Docker with another container runtime, Containerd, after v1.20. This announcement caused a lot of panic and confusion among Kubernetes users. In this blog, we’ll expound on the impact of this change by providing a comparison between Docker and
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
cncf What Is the Cloud Native Computing Foundation? The impact of open-source has been immense in the world of software development. By making the source code of a software tool available to anyone in the world, open source has led to collaborative development and innovation like never before. With open source, developers worldwide can contribute their knowledge and
DevOps Top 10 Reasons To Learn DevOps Introduction DevOps has become the recent phenomenon of how software is delivered in the last decade. It evolved from different innovations and philosophies through the years. The word DevOps came from the amalgamation of words with DEV meaning development and OPS meaning operations. And what it all boils down to
DevOps Essential Skills 14 Top Skills Required for DevOps in 2023 In rich countries, the average salary of a skilled DevOps engineer is well over $100.000/year. Why are companies willing to pay so much? Well, first of all, these employees bring a lot of value to these companies. They help them deliver higher quality software faster and sometimes even
DevOps 6 DevOps Concepts Every DevOps Engineer Should Know Ever heard terms like CI/CD - Continuous Integration and Continuous Delivery, pipelines, compiling, version control, containers and orchestration, and so on? They're pretty alien, right? Or at least, abstract. For example, we keep hearing about Kubernetes orchestrating containers. We can figure out that it probably automates something,
DevOps What Is DevOps? To remain competitive in today’s dynamic world, companies expect developers to deliver high-quality software quickly and efficiently while also ensuring that it is secure and reliable. To achieve this, developers have embraced DevOps practices such as collaboration and automation. In this article, we'll discuss what DevOps is,
DevOps 21 Popular Kubernetes Interview Questions and Answers The article focuses on answering the frequently asked Kubernetes interview questions. These questions will help you prepare for your interview and revise the concepts of Kubernetes. Q. What is Kubernetes? Kubernetes, also known as K8s, is an open-source orchestration platform that performs different tasks like deployment, scaling, management, and monitoring
DevOps Top 7 Skills Required for DevOps Engineers in 2023 (with Roadmap) Today, most businesses are utilizing the power of the cloud to cater to customers; it is no surprise that demand for DevOps engineers has skyrocketed. From setting up entire environment infrastructures in the cloud or on-premise to automation of processes, the responsibilities of a DevOps engineer are quite vast. In
DevSecOps DevOps vs. DevSecOps: Explaining the Key Differences Over the years, software applications have evolved immensely. Back then, we built software as a singular, massive structure that could handle all the business logic required to function. For the most part, this worked since most software applications were used by individuals and businesses internally with a minimal and manageable
Infrastructure as code Configuration Management vs. Orchestration Modern software development puts a lot of emphasis on automation, collaboration, repeatability, and rapid iteration. Two important concepts that make these objectives attainable are configuration management and orchestration. While they are related, they are not the same thing. In this article, we’ll look at what these two concepts entail
Jenkins How to Automate CI/CD Pipeline Using Jenkins Traditional software development processes were often slow and inflexible, making it difficult for companies to keep up with the pace of innovation and stay competitive. Agile software development was necessitated by the need to adapt quickly to changing market conditions and customer needs. It prioritizes flexibility, collaboration, and customer feedback,