Link: https://old.reddit.com/r/Fedora/comments/1tnbt46/my_thoughts_on_fedora_atomic/

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The original was posted on /r/fedora by /u/dunelost on 2026-05-25 15:03:43+00:00.

I recently found out that a developer I follow (won't drop the name just in case I misremember) actually uses Fedora Silverblue. This got me curious, and after doing some research, I realized how good Fedora Atomic really is and finally gave it a try.

At first, I tried to dual-boot it with Windows (which I only keep for firmware updates) the usual way, but it failed. After some manual partitioning and setting up a separate EFI partition, the installation went through smoothly.

When it comes to updating and installing software, the common approach here is using rpm-ostree for the system layer and Flatpak for apps. The main hurdle with rpm-ostree was dealing with some permission issues when importing GPG keys for third-party repos, but once the repos are correctly added, it works fine. As for Flatpaks, it was very straightforward—I already used them heavily back on Fedora Workstation, but now it goes almost full flatpak-y.

The best part of the experience, however, has been using Toolbox. I honestly think this feature deserves a lot more spotlight in discussions. The benefits of containerization are well-known, but combined with the rock-solid base of an Atomic system, it creates a very clear and rational boundary:

• System layer: Handles the core OS, desktop environment, and system-integrated tools.
• Flatpaks: Handle standalone daily apps.
• Toolbox: A flexible, containerized development environment.

Using Toolbox paired with VS Code's Dev Containers extension is a great experience. I can experiment with all kinds of things without worrying about messing up my host system. (A lesson I learned: try to avoid installing GUI apps in Toolbox, especially Electron-based ones.)

I used to think immutable systems were mostly promoted as low-maintenance options for casual users because they "don't break." While that’s true, I think it’s actually a perfect system for developers. Especially for someone like me who prefers to keep the filesystem clean, this structure of organizing files is really satisfying. Plus, there aren't many compromises in daily use—most limitations are just inherent to Flatpak sandboxing.

I'd definitely recommend giving Fedora Atomic a try. It’s really a great system.