Docker - DevOps Blog (Page 2)

Docker

A collection of 51 posts

Top 10 Developer Tools in 2023

Developer Tools

Top 10 Developer Tools in 2023

Hey there, fellow developers! Whether you're just starting out or you've been coding for years, having the right tools is essential for getting the job done efficiently and effectively. That's why we've put together this list of the top 10 developer tools

How to Run a Docker Image as a Container?

How to Run a Docker Image as a Container?

Have you ever struggled to get your application to run smoothly across different environments, from your local laptop to a production server? It's a common challenge in software development. Fortunately, there’s a solution to this challenge — containerization. With containerization, you can package your application and all its

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

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

DevOps vs Agile - What’s the Difference?

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? That's what we are here to explore today. In this post, we will

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

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

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

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

In our previous lesson, we discussed 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. What better way to understand how Docker runs Wasm

WebAssembly and Docker + 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

Best Kubernetes Courses

10 Best Kubernetes Courses to Start Learning Online in 2024

Kubernetes is an open-source platform that provides a highly scalable and flexible container orchestration solution. It is used to manage and automate the deployment tasks across different environments. It's popular because it is powerful, versatile, and easy to use. To get started with Kubernetes, you need access to

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

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

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

Top Skills Required in DevOps

DevOps Essential Skills

14 Top Skills Required for DevOps in 2024

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? First of all, these employees bring a lot of value to these companies - they help them deliver higher quality software faster and sometimes at

Container Runtime Interfaces In K8s

Container Runtime Interfaces In Kubernetes

Containers provide an efficient way to package and deploy applications. They are lightweight, portable, and can be easily moved between different environments without any changes to the application code. With Kubernetes, developers can easily manage and orchestrate containerized applications at scale, ensuring that they are always available and running smoothly.

Monitor using Grafana-Prometheus Stack

What Is Grafana & How to Use Grafana-Prometheus Stack for Monitoring?

Once the applications have been deployed in the production environment, managing and maintaining them is crucial. Properly monitoring these applications ensures they run as expected and helps prevent downtime. Grafana-Prometheus stack is one of the most commonly used monitoring stacks. It can be deployed over the cloud or as an

Role of Docker in DevOps

What Is Docker in DevOps & How Does It Work?

One of the core technologies that has transformed application development is Containerization. It involves packaging software applications and all their dependencies into a single, self-contained unit known as a container. This makes managing, testing, deploying, and scaling an application easier. The most commonly used containerization tool is Docker. This article

Best DevOps Tools

5 DevOps Tools Every Beginner Should Know in 2023

DevOps is a rapidly growing field combining software development and IT operations to improve software delivery speed and quality. If you want a career in DevOps, you’ll need to learn to use tools like Jenkins, Docker, Kubernetes, Ansible, and Git. In this article, we’ll look at five popular

Docker Certified Associate : Docker Engine Storage & Volumes

Docker Certified Associate Exam Series (Part-7): Docker Engine Storage & Volumes

In the previous blog of this 7-part series, we discussed Docker Engine Security. This last blog dives into how storage is implemented in Docker and the components involved. When you install Docker on a host, it automatically creates a directory: /var/lib/docker. This becomes the default file path for

Docker Certified Associate : Docker Engine Security

Docker Certified Associate Exam Series (Part-6): Docker Engine Security

In the previous blog of this 7-part series, we discussed Networking. This blog dives into Docker engine security. Security within the IT landscape is as critical as maintaining a strong armed force for a country. To secure the underlying operations and business functions while working with Docker, you must secure

Docker Certified Associate : Networking

Docker Certified Associate Exam Series (Part-5): Networking

In the previous blog of this 7-part series, we discussed Installation and Configuration. This blog dives into Networking. Here are the six other blogs in the series: * Docker Certified Associate Exam Series (Part-1): Container Orchestration * Docker Certified Associate Exam Series (Part-2): Kubernetes * Docker Certified Associate Exam Series (Part-3): Image Creation,

Docker Certified Associate : Installation and Configuration

Docker Certified Associate Exam Series (Part-4): Installation and Configuration

In the previous piece of the 7-article series, we covered Image Creation, Management, and Registry. This piece introduces the Docker Engine, including its architecture, installation, and configuration. We will also go through basic container operations and explore various ways of configuring and troubleshooting the Docker Daemon. Here are the five

Docker Certified Associate : Image Creation, Management and Registry

Docker Certified Associate Exam Series (Part-3): Image Creation, Management, and Registry

In the part 2 of the 7-article series, we covered Kubernetes. This piece tackles the operations involved in creating, running, and managing images in Docker. Here are the five other parts: * Docker Certified Associate Exam Series (Part-1): Container Orchestration * Docker Certified Associate Exam Series (Part-4): Installation and Configuration * Docker Certified

Docker Certified Associate : Kubernetes

Docker Certified Associate Exam Series (Part-2): Kubernetes

In the previous blog of this 7-part series, we discussed Container Orchestration. This blog dives into Kubernetes. Here are the six other blogs in the series: * Docker Certified Associate Exam Series (Part-1): Container Orchestration * Docker Certified Associate Exam Series (Part-3): Image Creation, Management, and Registry * Docker Certified Associate Exam Series