DevOps Blog (Page 12)

The Ultimate Docker Certification (DCA) Guide for 2023

Docker certification

The Ultimate Docker Certification (DCA) Guide for 2023

One of the ways to stand out as a DevOps engineer is to gain certifications that attest to your expertise with DevOps tools. One of the most recognized and sought-after certifications is Docker Certified Associate (DCA). This article analyzes the DCA exam curriculum and resources that can help you crack

Why Are DevOps Salaries so High?

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

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

Open Source Is Not Just About Code. How Can You Contribute?

Open Source Is Not Just About Code. How Can You Contribute?

Open Source has been around for quite some time. And it all started with the idea of freedom for the software's source code. This freedom implied the following things: * Users should be able to get access to the actual lines of code that make up the application they&

Kubernetes Learning Curve

Kubernetes Learning

Kubernetes Learning Curve: How Hard is it 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

Kubernetes v1.24 Stargazer: What's new?

Kubernetes v1.24 Stargazer: What's new?

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 necessary for container runtimes so that Kubernetes can prepare your cluster for this upgrade. Significant Changes 1. Complete removal of

Why You Should Use 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

Top 7 Reasons to Learn Linux

Top 7 Reasons to Learn Linux

Back in the 2000s, Linux was already very popular on servers. Nowadays, it's very popular on servers, Internet of Things (IoT) 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

Difference between Docker, LXC, and LXD Containers

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 entirely different operating systems, such as Red Hat Enterprise Linux. So, how do you make sure your app runs well on

Ubuntu or Red Hat Enterprise Linux (RHEL)

Ubuntu vs. Redhat (Rhel): Which One Should You Learn?

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

What is GitOps?

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

How to Learn Linux

How to Learn Linux in 2023 (with Resources)

Linux is an open-source operating system that’s highly versatile and customizable. It's 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

What Is Azure DevOps

What Is Azure DevOps? Everything You Need to Know

In today's fast-paced world of software development, agility and collaboration are key to delivering high-quality products on time. Azure DevOps has emerged as a powerful solution that brings together development, operations, and testing teams, enabling them to work seamlessly throughout the entire application lifecycle. Whether you're

How to Get Python Certification

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?

What Is Ansible and How Do You Use It?

IT professionals have to manage systems across multiple platforms, which is an effort- and time-intensive task when done manually. Thankfully, there are automation tools like Ansible that make such tasks easier. This post will cover what Ansible is, how it works, and how you can learn to use the platform.

LFCS contest winners

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

Kubernetes Dropping Docker

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 vs. Containerd

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

Should I Become a Developer?

Should I Become a Developer (6 Reasons)?

If you didn't study programming in school and want to become a Developer, 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.