Category Archives for Docker Kubernetes

Docker Image Vulnerabilities and A Guide on Trivy Image Scanner

Docker Image Vulnerabilities & Trivy Image Scanning Demo

Docker containers in today’s world is seeming to be a must for application deployment! A docker image is a file that defines which data and processes should exist inside a particular container when it starts. Any docker image be it from official repositories or the one built on your own might have vulnerabilities and possess […]

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Kubernetes Deployment

Kubernetes Deployment and Step-by-Step Guide to Deployment: Update, Rollback, Scale & Delete

Kubernetes is one of the hottest buzz-words in today’s IT industry. In spite of Kubernetes being a container orchestration platform, we don’t manage containers directly. Well, deploying an application onto Kubernetes using any container service is no rocket science. The process of manually updating containerized applications can be time-consuming and monotonous. Upgrading a service to […]

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Docker and Kubernetes

Docker and Kubernetes | How are they better together?

Containers have revolutionized the application deployment! Docker and Kubernetes go hand-in-hand and work the best together. Docker provides an open source standard to “create” a container and K8s helps to “manage’ these containers by automating the rest of the process. Docker and Kubernetes certainly seem to be a on stop solution for application deployment as […]

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Kubernetes Dashboard

Kubernetes Dashboard: An Overview, Installation, and Accessing

Most of us love the GUI based interactions rather than the old and boring CLI ones. Are you wondering if the K8s also has a GUI which makes our lives a lot easier? Yes, it does! Its called the Kubernetes Dashboard. The web-based console, which is a general-purpose UI made to look after the Cluster […]

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Ingress controller

Kubernetes Ingress Controller: An overview and Which is the best?

Kubernetes is in the spotlight of all the containerization platforms available. One of the hottest buzz-words in the IT world right now. Kubernetes, at its basic level, is a system for running and coordinating containerized applications across a cluster of machines. Ingress is an ‘intelligent high-level abstraction’ responsible for allowing simple host or URL based […]

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Scheduling in Kubernetes

Scheduling in Kubernetes

Pods are the smallest deployable unit of Kubernetes where we can run our applications. Scheduling in Kubernetes is a core component as it aims to schedule the pod to a correct and available node. If you want to understand why Pods are placed onto a particular Node, or if you’re planning to know types of […]

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Kubernetes Persistent Storage

Kubernetes Persistent Storage: PV, PVC and Storage Class

Kubernetes is a complete containerization orchestration, which provides the ability to run dynamically scaling, management of containerized applications. Persistent Storage in Kubernetes offers applications in K8s a handy way to request, and consume storage resources. To know more about the K8s Persistent Storage and its concept check out this blog post at k21academy.com/kubernetes36. In this […]

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Kubernetes Installation

Kubernetes Installation Options: The Hard Way, Kubedm, MiniKube, Managed K8s (EKS, AKS, OKE, GKE)

When you install Kubernetes, choose an installation type based on ease of maintenance, security, control, available resources, and expertise required to operate and manage a cluster. You can deploy a Kubernetes cluster on a local machine, cloud, or choose a managed Kubernetes cluster. If you are interested in Docker & Kubernetes and wish to know […]

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Kubernetes Networking

Kubernetes Networking: Container-to-container, Pod-to-Pod, Pod-to-Service, DNS, and Services

Kubernetes networking allows Kubernetes components to communicate with each other and with other applications such as communication between pods, containers, services, and external services. If you are interested in Docker & Kubernetes and wish to know more about Kubernetes Networking, then click on this link https://k21academy.com/kubernetes34 This post covers: – What is Kubernetes Networking? – […]

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Docker Compose

Docker Compose: Installation and Multicontainer Application Deployment

Docker Compose is a tool for defining and running multi-container Docker applications. It makes it easier for users to orchestrate the processes of Docker containers, including starting up, shutting down, and setting up intra-container linking and volumes. If you are interested in Docker & Kubernetes and wish to know more about Docker Compose, then click […]

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