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Docker Certified Associate Exam Series (Part – 4): 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 images in Docker. The Docker…
Docker Certified Associate Exam Series (Part -5): 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 2013. The first release of…
Docker Certified Associate Exam Series (Part-3): 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 tutorials combines the Kubernetes for…
The Ultimate Guide to Certified Kubernetes Administrator (CKA) Exam
Introduction: Why Get a CKA Certification? On account of its feature-rich ecosystem, Kubernetes continues to be the flag-bearer of container orchestration. As per a recent survey, the platform is already used by over 74% of IT companies using containerized workloads in production. This rightly supports the fact that there is a growing demand of developers…
Docker Certified Associate Exam Series (Part 8): 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 are stored in the images subfolder, while…
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