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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Can someone explain Universal Blue (and images based on it) to me? (discuss.tchncs.de)

submitted 6 months ago* (last edited 6 months ago) by [email protected] to c/[email protected]

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I think I get the idea of Fedora Atomic (Silverblue, Kionite, etc.), but I do not get what uBlue is about.

Are those just another "ooh it's distro X but with preinstalled Y" or are those some soft of overlays on top of Fedora? Can't they just be some install scripts? Why not just base Fedora Silverblue? Maybe I don't get the idea, because people seem hyped.

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[–] [email protected] 5 points 6 months ago

Yes, basically. uBlue doesn't maintain distros, really, it just repackages Fedora Atomic with some minor changes (including non-free drivers, for instance). That way if you need the software they repackaged into the image (like Nvidia drivers), you don't have to use overlays, and instead can use uBlue images. In fact, you can actually rebase Fedora Atomic to uBlue and vice versa with a single command. All it does is change where the base images are fetched from, and it's a potentially easy way to switch between images without having to perform a reinstall (do note that different packages in the base may modify config files that will persist between rebases, though). I haven't personally tried it, so I don't know if there's a likelihood to run into issues, but it's an interesting option nonetheless.