what is the difference between docker repo and docker registry?
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A Docker repository is where you can store 1 or more versions of a specific Docker image. An image can have 1 or more versions (tags). ... It's also worth pointing out that the Docker Hub and other third party repository hosting services are called “registries”. A registry stores a collection of repositories.
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['$ docker tag <old_name> <new_name>', '$ docker rmi <old_name>']
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Docker is a platform and tool for building, distributing, and running Docker containers. ... Kubernetes is a container orchestration system for Docker containers that is more extensive than Docker Swarm and is meant to coordinate clusters of nodes at scale in production in an efficient manner.
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The difference lies mostly in the backend, where docker-compose deploys container on a single Docker host, Docker Swarm deploys it across multiple nodes. Loosely speaking, it can still do most things that docker-compose can but it scales it across multiple Docker hosts.
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Docker does not has an OS in its containers. In simple terms, a docker container image just has a kind of filesystem snapshot of the linux-image the container image is dependent on. ... All Linux distributions are based on the same kernel. They differ in the programs, tools and dependencies that they ships with.
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You may name your Dockerfiles however you like. The default filename is Dockerfile (without an extension), and using the default can make various tasks easier while working with containers.
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Docker Enterprise Edition comes in three versions: basic, standard and advanced. The Basic edition comes with the Docker platform, support and certification, while the Standard and Advanced version add additional features such as container management (Docker Datacenter) and Docker Security Scanning.
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Simply put, rkt is a more secure container technology, designed to alleviate many of the flaws inherent in Docker's container model. ... “From a security and composability perspective, the Docker process model – where everything runs through a central daemon – is fundamentally flawed.
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The store that actually contains those assets is the repository. A repository, like the gold repository in Fort Knox, stores actual assets and typically controls access to those assets. So, while a registry simply records official information that relates to an asset, the repository stores the assets themselves.
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The primary difference is that Docker as a project is focused on the runtime container only, whereas OpenShift (as a system) includes both the runtime container as well as the REST API, coordination, and web interfaces to deploy and manage individual containers. ... A cartridge is roughly similar to a docker image.
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They are designed to function as application containers. ... They are limited to containing applications that are natively supported by the host operating system. In other words, Docker for Windows can only host Windows applications inside Docker containers, and Docker on Linux supports only Linux apps.
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['R 4.0. 2 "Taking Off Again" released on 2020/06/22. Please check the MD5 checksum of the downloaded image to ensure that it has not been tampered with or corrupted during the mirroring process. ... ', 'Latest release: R-4.0.2.pkg (notarized and signed) SHA1-hash: 7e4e1f0d407ccd475eeaeadd96a126ee9c83db3b. ... ', 'Subdirectories: tools.']
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Registry Keys are objects that are basically folders, and in the interface even look exactly like folders. Values are a bit like the files in the folders, and they contain the actual settings.
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['Container -> Local Host. Copy file or folder from a docker container to the local file system. Terminal.', 'Local Host -> Container. Copy file or folder from the local file system to a docker container, it works the same. Terminal.']
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Learn the differences between them. Docker Compose is an official tool that helps you manage your Docker containers by letting you define everything through a docker-compose. ... docker stack is a command that's embedded into the Docker CLI. It lets you manage a cluster of Docker containers through Docker Swarm.
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Images can exist without containers, whereas a container needs to run an image to exist. Therefore, containers are dependent on images and use them to construct a run-time environment and run an application. The two concepts exist as essential components (or rather phases) in the process of running a Docker container.
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A fundamental difference between Kubernetes and Docker is that Kubernetes is meant to run across a cluster while Docker runs on a single node. Kubernetes is more extensive than Docker Swarm and is meant to coordinate clusters of nodes at scale in production in an efficient manner.