Tag: containerization

Running Secure, Rootless Docker Containers on a Docker Host

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Running Docker containers as a non-root user, also known as rootless mode, is a significant step towards enhancing the security of your containerized applications. This approach mitigates potential vulnerabilities by ensuring that neither the Docker daemon nor the containers have root privileges. This article will guide you through the process of setting up and securing rootless Docker containers on a Docker host.

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Enhancing Security with Rootless Containers in Podman

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In the evolving landscape of containerization, security remains a paramount concern. Podman, a daemonless container engine, offers a robust solution through its support for rootless containers. This article delves into the security benefits of using rootless containers with Podman, highlighting why it is a preferred choice for many developers and system administrators.

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Understanding Docker Engine and Docker Desktop: Key Differences and Benefits

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Docker has revolutionized the way we build, share, and run applications by enabling containerization. Two essential components in the Docker ecosystem are Docker Engine and Docker Desktop. This article aims to clarify their differences, functionalities, and how they can benefit developers, system administrators, and other IT professionals.

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Podman Basics 09: Kubernetes Compatibility

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Podman’s integration with Kubernetes through the podman kube play command allows users to create pods, containers, and volumes from Kubernetes YAML files. This command reads the structured file and recreates the described resources, starting the containers within a pod and outputting the ID of the new pod or the name of the new volume.

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Podman Basics 07: Using Multi-Container Applications

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Podman-compose is a script that simplifies the use of Podman to manage multi-container setups. It interprets the docker-compose.yml file and creates a Podman-compatible setup. This means you can use your existing Docker Compose files with Podman, making the transition smoother if you’re moving from Docker to Podman.

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Podman Basics 04: Running Your First Container

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After installing Podman you have to know and understand some of the terminology. Understanding the basic jargon of containerization will help you start with this lesson, and it will be beneficial later on too. You will learn about the image registries, images and containers in this lesson. You will take a look at how to pull, run and manage them.

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Podman Basics 02: Introduction to Podman

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Podman, also known as the POD manager, is an open-source tool for developing, managing, and running containers on Linux systems. It was originally developed by Red Hat engineers along with the open-source community. Podman is designed to make it easy to find, run, build, share, and deploy applications using Open Containers Initiative (OCI) Containers and Container Images.

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Podman Basics 01: Introduction to Containerization

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In today’s fast-paced world of IT, there’s this game-changing idea called containerization that’s shaking things up. It’s basically transforming how we build, launch, and handle applications. Two key players in this field are Docker and Podman, each offering unique benefits to developers and system administrators alike. In this beginner level course you will get an insight into working with Podman.

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A Comprehensive Guide to Installing and Utilizing Docker Swarm and Load Balancing Docker Swarm Services with Nginx Proxy

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Containerization has revolutionized software deployment, and Docker Swarm provides a powerful solution for orchestrating and managing containerized applications. In this guide, we will take you through the step-by-step process of setting up and effectively using Docker Swarm on three virtual machines, and then extend it to include a load balancing proxy using Nginx. By the end of this tutorial, you’ll be equipped with the knowledge to harness the benefits of container orchestration and load balancing for your projects.

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Understanding Kubernetes and Docker: A Beginner’s Guide for DevOps

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In the world of DevOps, two buzzwords that frequently come up are Kubernetes and Docker. Both technologies have revolutionized the way applications are developed, deployed, and managed. While they are often used together, they serve different purposes and have distinct roles in the modern software development landscape.

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Building Podman Debian Images With Systemd Inside The Container

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Containerization has revolutionized the way software is developed, tested, and deployed. While Docker has been a popular choice for containerization, Podman has emerged as a viable alternative, especially for users who prefer a rootless, daemonless, and more secure container experience. In this blog post, we will explore how to build Debian-based container images using Podman while integrating systemd inside them. This allows you to run services and manage them using systemd, just like you would on a traditional server.

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