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secureblue

A security-focused desktop and server linux operating system. - secureblue/secureblue.

secureblue

secureblue Reviews and Details

This page is designed to help you find out whether secureblue is good and if it is the right choice for you.

Screenshots and images

  • secureblue Landing page
    Landing page //
    2026-09-05

Features & Specs

  1. Strong security hardening

    secureblue applies numerous hardening measures out of the box, such as hardened_malloc, sysctl kernel parameter hardening, restricted USB access, and other mitigations inspired by projects like GrapheneOS and the Kernel Self Protection Project, giving users a much more locked-down base system than typical desktop Linux distributions.

  2. Immutable, atomic base (Fedora Atomic/uBlue)

    Built on top of Fedora's ostree-based atomic desktop images, the system is immutable at the root filesystem level, making it resistant to persistent malware, easy to roll back after failed updates, and consistent across installs since the same OCI image is deployed everywhere.

  3. Transparent and reproducible builds

    The project publishes its build definitions, Containerfiles, and hardening rationale openly on GitHub, and uses GitHub Actions/Sigstore signing so users can audit exactly what changes are made to the base Fedora images and verify image provenance.

  4. Sensible defaults with sandboxing focus

    secureblue emphasizes Flatpak and Wayland-first application delivery, encourages sandboxed app usage, and ships with sane default configurations (like disabling root login, restricting kernel modules) that reduce the attack surface without requiring extensive manual configuration.

  5. Multiple variants for different needs

    The project offers several image variants (GNOME, KDE, various desktop environments, and different hardening presets) so users can pick an image that matches their hardware and workflow while still benefiting from the hardening work.

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Is secureblue good? This is an informative page that will help you find out. Moreover, you can review and discuss secureblue here. The primary details have not been verified within the last quarter, and they might be outdated. If you think we are missing something, please use the means on this page to comment or suggest changes. All reviews and comments are highly encouranged and appreciated as they help everyone in the community to make an informed choice. Please always be kind and objective when evaluating a product and sharing your opinion.