uCore

uCore is a set of Fedora CoreOS-based server images for container hosting, storage, and virtualization.

Visit projectucore.org for image selection, installation instructions, operating guides, and announcements.

Get started

• Choose an image and tag
• Install uCore
• Switch an existing system to uCore
• Browse the documentation
• Read project announcements

Builds and releases

Images are published to ghcr.io/ublue-os. See GitHub Releases for generated stream changelogs and Verification and build transparency for image signatures, package provenance, and SBOMs.

• Build workflows
• Image build recipes and package installation scripts
• Build commands and checks

Contributing

Run the repository checks from ucore/ with just check. Report bugs and request features in GitHub Issues. See the roadmap, security policy, and license.