Docker certification - DevOps Blog

Docker certification

A collection of 13 posts

DevOps Certifications

Docker certification

Top 5 DevOps Certifications in 2023

Introduction Various industries worldwide rely on badges or licenses to determine an individual's skills, credibility, and reliability in their profession. A driver's license for your taxi driver. A license for dentists, doctors, and nurses in hospitals. A license for forklift operators. For these professions, being licensed is the global standard.

The Ultimate Docker Certification (DCA) Guide for 2023

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

Docker Networking

A Complete Guide to Docker Networking (2023)

In this blog post, we will learn Docker networking concepts. Such as overlay networks, Docker swarm, embedded DNS servers, routing mesh etc. Let us first understand the three types of networks available in docker: “bridge”, “none” and “host”. Docker Networking Drivers A bridge is the default network a container gets

Overview of Docker

30,000 Feet Overview of Docker

If there’s one word that you hear no matter which developer circle you’re running with, it’s Docker. In a short time, Docker has managed to win over developers all over, thanks to its ability to smooth over most compatibility issues. So what exactly is Docker, and why

Docker Certified Associate : Docker Engine Storage & Volumes

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

Docker Storage Basics File System When you install Docker on a host, it automatically creates a directory: /var/lib/docker. This becomes the default file path for the storage of Docker files and objects. The directory has subfolders such as aufs, containers, images, volumes, and more. Files related to images

Docker Certified Associate : Docker Engine Security

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

Docker Daemon Security Security within the IT landscape is as critical as maintaining a strong armed-force for a country. To ensure that the IT landscape of an organization is secured from external threats, organizations lay heightened emphasis to avoid security attacks that can potentially bring down business operations within days.

Docker Certified Associate : Networking

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

Introduction to Docker Networking Default Networks When you install Docker on a host machine, it automatically creates three types of networks: none, bridge, and host networks. * The Bridge network is the default network that Docker attaches to containers once they are created. This is a private internal network whose IP

Docker Certified Associate : Installation and Configuration

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

Introduction to the Docker Engine In this section, we introduce the Docker Engine, including its architecture, installation, and configuration. We will then go through basic container operations, then finally explore various ways of configuring and troubleshooting the Docker Daemon. Docker Engine Architecture Docker was first released for public use in

Docker Certified Associate : Image Creation, Management and Registry

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

We use images in Docker to package, share and transport applications and preconfigured server environments. An image is, in essence, a template that contains the set of instructions we use to create and run containers on the Docker platform. This section tackles the operations involved in creating, running, and managing

Docker Certified Associate : Kubernetes

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

Introduction to Kubernetes Kubernetes is the most popular container orchestration tool that integrates seamlessly with Docker. The DCA certification test emphasizes specifically on services, architecture, and commands used in Kubernetes, so it is crucial to develop a firm grasp of the framework. The Kubernetes section of the DCA exam preparation

Docker Certified Associate Exam Series: Container Orchestration

Docker Certified Associate Exam Series (Part-1): Container Orchestration

Introduction to Container Orchestration An essential part of preparing for the Docker Certified Associate (DCA) exam is to familiarize yourself with Container Orchestration. Container Orchestration requires a set of tools and scripts that you can use to host, configure, and manage containers in a production environment. Deploying in Docker typically

CI/CD with Docker for Beginners

CI/CD with Docker

CI/CD with Docker for Beginners

Docker is a DevOps platform that is basically used to create, deploy, and run applications using the concept of containerization. With Docker, developers can pack all the dependencies and libraries of an application easily and ship it out as a single package. This helps developers and operations teams mitigate the

Docker Introduction for Beginners

Docker certification

Docker Introduction For Beginners

Every company is dependent on software for innovation, and one of the biggest innovations in the software development field was the invention of containers. The containers have changed the way the software is built and shipped these days. The company Docker took this route and made containers available for everyone.