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rkt VS CRI-O

Compare rkt VS CRI-O and see what are their differences

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rkt logo rkt

App Container runtime

CRI-O logo CRI-O

Lightweight Container Runtime for Kubernetes
  • rkt Landing page
    Landing page //
    2023-05-08
  • CRI-O Landing page
    Landing page //
    2023-09-21

rkt videos

+ Add

RKT IPO Review | Is Rocket a Buy for 2020? | Matt Mulvihill

More videos:

  • Review - 2018 Niner RKT 9 RDO - First Look and Build Kit Overview
  • Review - Best Stock Picks Today | RKT Stock 9-2-20

CRI-O videos

+ Add

Running Containers on Podman/CRI-o - Introduction working with Podman containers

More videos:

  • Tutorial - CRI-O: Development Process & How to Contribute - Urvashi Mohnani & Peter Hunt, Red Hat
  • Review - CRI-O: O Container Runtime feito para o Kubernetes

Category Popularity

0-100% (relative to rkt and CRI-O)

rkt

CRI-O

Cloud Computing
50 50%
Cloud Computing
50% 50
Cloud Storage
57 57%
Cloud Storage
43% 43
Storage
100 100%
Storage
0% 0
OS & Utilities
0 0%
OS & Utilities
100% 100

User comments

Share your experience with using rkt and CRI-O. For example, how are they different and which one is better?
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Reviews

These are some of the external sources and on-site user reviews we've used to compare rkt and CRI-O

rkt Reviews

5 Container Alternatives to Docker
In 2018, 12 percent of production containers were rkt (pronounced “Rocket”). Rkt supports two types of images: Docker and appc. A selling point of rkt is its pod-based process that works out of the box with Kubernetes (also referred to as “rktnetes”). In Kubernetes, an rkt container runtime can easily be specified:
Source: containerjournal.com

CRI-O Reviews

We have no reviews of CRI-O yet.
Be the first one to post

Social recommendations and mentions

Based on our record, CRI-O seems to be more popular. It has been mentiond 17 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

rkt mentions (0)

We have not tracked any mentions of rkt yet. Tracking of rkt recommendations started around Mar 2021.

CRI-O mentions (17)

  • 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... - Source: dev.to / 3 months ago
  • Complexity by Simplicity - A Deep Dive Into Kubernetes Components
    Multiple container runtimes are supported, like conatinerd, cri-o, or other CRI compliant runtimes. - Source: dev.to / 4 months ago
  • Kubernetes Cluster Setup Using Kubeadm on AWS
    Install container runtime on all nodes. We will use cri-o. - Source: dev.to / 5 months ago
  • 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. - Source: dev.to / 9 months ago
  • 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. - Source: dev.to / 11 months ago
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What are some alternatives?

When comparing rkt and CRI-O, you can also consider the following products

GlusterFS - GlusterFS is a scale-out network-attached storage file system.

containerd - An industry-standard container runtime with an emphasis on simplicity, robustness and portability

Apache Karaf - Apache Karaf is a lightweight, modern and polymorphic container powered by OSGi.

Podman - Simple debugging tool for pods and images

Apache ServiceMix - Apache ServiceMix is an open source ESB that combines the functionality of a Service Oriented Architecture and the modularity.

REX-Ray - Runtime

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