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CoreOS vs Fedora: What are the differences?
Key Differences between CoreOS and Fedora
CoreOS and Fedora are both Linux operating systems, but they have several key differences:
Purpose: CoreOS is specifically designed for containerized applications and focuses on providing a minimalistic and secure platform for running them. On the other hand, Fedora is a general-purpose Linux distribution that offers a wide range of features and applications for different use cases.
Update Model: CoreOS follows an automatic and rolling release model, where updates are delivered continuously and applied automatically without user intervention. This ensures that the system is always up-to-date with the latest security patches and bug fixes. In contrast, Fedora follows a more traditional release model, with major releases occurring approximately every 6 months. Users need to manually update their systems to newer versions.
Container Technology: CoreOS is tightly integrated with container technologies, such as Docker and Kubernetes. It includes built-in support for running and managing containers at scale. Fedora also supports containers, but it does not have the same level of native integration and preconfigured tooling as CoreOS.
Default Package Manager: CoreOS uses the "container Linux distribution" model, where the system is composed of atomic, immutable containers. As a result, it does not have a traditional package manager like yum or apt. Instead, it uses a tool called "rpm-ostree" for managing and updating the system. Fedora, on the other hand, uses the DNF package manager, which is compatible with the widely used yum package manager.
Long-Term Support: CoreOS provides a long-term support (LTS) version called "CoreOS Container Linux Enterprise," which is aimed at enterprises and offers extended support and stability over a longer period of time. Fedora, however, focuses on delivering cutting-edge features and technologies, without emphasizing long-term support. Its releases are supported for approximately 13 months before reaching end of life.
Community Involvement: CoreOS has a strong community of open-source enthusiasts and enjoys the support of major industry players, such as Red Hat and Google. The community actively contributes to the development and improvement of the platform. Fedora also has a vibrant community and is backed by Red Hat, but it is more focused on the general Linux community and aims to promote and advance free and open-source software in general.
In Summary, CoreOS is a specialized Linux distribution tailored for containerized applications, with automatic updates and tight integration with container technologies. Fedora, on the other hand, is a general-purpose Linux distribution that offers a wider range of features, uses traditional package management, and focuses on cutting-edge technologies and community involvement.
Pros of CoreOS
- Container management20
- Lightweight15
- Systemd9
Pros of Fedora
- Great for developers22
- Great integration with system tools10
- Represents the future of rhel/centos10
- Good release schedule9
- Reliable7
- Fast6
- Docker integration5
- Has SeLinux4
- Latest packages3
- Updated with Bleeding-edge software3
- Great for ops teams3
- Awesome community3
- Python distribution2
- Complies with International Standard2
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Cons of CoreOS
- End-of-lifed3
Cons of Fedora
- Bugs get fixed slowly from kernel side3
- Much less support from Wiki2
- Systemd2
- Boring2
- Less packages in official repository1
- A bit complicated1
- Learning curve for new users1
- Slightly difficult to install for beginners0