unikernels
cri-o
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unikernels | cri-o | |
---|---|---|
2 | 33 | |
536 | 4,981 | |
2.8% | 1.9% | |
0.0 | 9.7 | |
about 2 years ago | 6 days ago | |
C++ | Go | |
- | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
unikernels
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Nanos – A Unikernel
About unikernels https://github.com/cetic/unikernels?tab=readme-ov-file#unike...
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Docker is dead?!? Podman - an alternative tool?
Another possibility to switch from Docker containers are the so-called Unikernels. These are briefly mentioned here for the sake of completeness, even though they currently have no significance in the Kubernetes context. An interesting blog post on the topic can be found on Hackernoon. It is an interesting construct that may one day find its way into the world of Kubernetes if containers can be replaced by unikernels. Currently, the use of unikernels would not be feasible in my opinion.
cri-o
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The Road To Kubernetes: How Older Technologies Add Up
Kubernetes on the backend used to utilize docker for much of its container runtime solutions. One of the modular features of Kubernetes is the ability to utilize a Container Runtime Interface or CRI. The problem was that Docker didn't really meet the spec properly and they had to maintain a shim to translate properly. Instead users could utilize the popular containerd or cri-o runtimes. These follow the Open Container Initiative or OCI's guidelines on container formats.
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Complexity by Simplicity - A Deep Dive Into Kubernetes Components
Multiple container runtimes are supported, like conatinerd, cri-o, or other CRI compliant runtimes.
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Creating Kubernetes Cluster With CRI-O
Container Runtime Interface (CRI) is one of the important parts of the Kubernetes cluster. It is a plugin interface allowing kubelet to use different container runtimes. And recently CRI-O container runtime has been announced as a CNCF Graduated project. I thought of writing a blog on CRI-O and how to set up a single-node Kubernetes cluster with Kubeadm and CRI-O.
Now, let’s see how to set up a Kubernetes cluster with Kubeadm and CRI-O as the container runtime.
- 32“ E Ink screen that displays daily newspapers on your wall
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Understanding Docker Architecture: A Beginner's Guide to How Docker Works
CRI-O: This is an open-source container runtime designed for use with Kubernetes. It is a lightweight and stable environment for containers. It also complies with the Kubernetes Container Runtime Interface (CRI), making it easy to integrate with Kubernetes.
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How are they doing it?
With CRI-O I believe you can configure registry mirror locations…. Similar to this: https://github.com/cri-o/cri-o/issues/4941
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Docker is deleting Open Source organisations - what you need to know
Alternatives like Podman and CRI-O continue to gain traction and may replace Docker in various places. For example, Kubernetes used to use Docker, then moved to containerd, and now also support CRI-O. Generally speaking, the core features of "Docker" are such a commodity now that no one was the wiser when Kubernetes stopped using it.
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Container Deep Dive 2: Container Engines
The CRI-O container engine provides a stable, more secure, and performant platform for running Open Container Initiative (OCI) compatible runtimes. CRI-Os purpose is to be the container engine that implements the Kubernetes Container Runtime Interface (CRI) for OpenShift Container Platform and Kubernetes, replacing the Docker service. Source
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Introducing Finch: An Open Source Client for Container Development
The main difference is that Podman uses CRI-O while Finch uses containerd. At AWS we have chosen containerd for operation at scale, and run incredibly large numbers of containerd tasks for customers of AWS Fargate. So we build Finch to use containerd based on the trust we've built around seeing it function at scale inside AWS and for AWS customers.
What are some alternatives?
containerd - An open and reliable container runtime
crun - A fast and lightweight fully featured OCI runtime and C library for running containers
k3s - Lightweight Kubernetes
minikube - Run Kubernetes locally
cri-dockerd - dockerd as a compliant Container Runtime Interface for Kubernetes
kaniko - Build Container Images In Kubernetes
rustwasmc - Tool for building Rust functions for Node.js. Combine the performance of Rust, safety and portability of WebAssembly, and ease of use of JavaScript.
SSVM - WasmEdge is a lightweight, high-performance, and extensible WebAssembly runtime for cloud native, edge, and decentralized applications. It powers serverless apps, embedded functions, microservices, smart contracts, and IoT devices.
buildah - A tool that facilitates building OCI images.
rules_docker - Rules for building and handling Docker images with Bazel
plugins - Some reference and example networking plugins, maintained by the CNI team.
k0s - k0s - The Zero Friction Kubernetes